- Must visit
Saint Louis Art Museum
Vast art museum in Forest Park with global collections from antiquity to modern works and strong free general admission.
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Journey information
Overview: Chicago, IL to St. Louis, MO flight
USAUSA
Flights from Chicago, IL to St. Louis, MO depart on average 44 times per day, taking around 4h 33m. Cheap flight tickets for this journey start at $50 (€40) but you can travel from only $26 (€21) by train.
There are 11 flights per day. The earliest flight runs at 00:15, the last at 23:55. The fastest flight covers the 260 miles (419 km) distance in 1h 13m. July is the cheapest month to fly.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Train from $26 (€21)
Distance 260 miles (419 km) |
Average flight duration 4h 33m |
Cheapest ticket price $50 (€40) |
Flights per day 44 |
Direct flights 11 |
Fastest flight 1h 13m |
First flight 12:15 AM |
Last flight 11:55 PM |
Cheapest Month Jul |
Cheapest Day Thu |
High Season Jul - Sep |
Low Season Oct - Dec |
Busiest Day Thu |
Least Busy Day Tue |
Best time to book 35 days |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Train from $26 (€21)
The cheapest and fastest flights from Chicago, IL to St. Louis, MO
Showing times, prices and bookable tickets for Sep 14
Cheapest price on Sep 14
$309
Average ticket price on Sep 14
$679
Fastest journey on Sep 14
1 h 22 m
Average journey duration on Sep 14
1 h 26 m
Flights on Sep 14
56
Distance
419 km
Cheap tickets
The best way to find a cheap flight ticket from Chicago, IL to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Chicago, IL to St. Louis, MO will cost around $679 if you buy it on the day, but the cheapest tickets can be found for only $309.
Fast flights
On Mon, Sep 14, we found 56 flights from Chicago, IL to St. Louis, MO, including 12 direct services.
On Mon, Sep 14 the direct flights cover the 419 km distance in an average of 1 h 26 m but if you time it right, some flights will get you there in just 1 h 22 m .
On Mon, Sep 14 the longest flights will take 1 h 29 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
UA10328:05 PM1h31O'Hare International Airport9:36 PMSt. Louis Lambert International Airport$3091One-way0 transfers- UA20002:07 PM1h31O'Hare International Airport3:38 PMSt. Louis Lambert International Airport$3091One-way0 transfers
- UA77510:29 AM1h33O'Hare International Airport12:02 PMSt. Louis Lambert International Airport$3091One-way0 transfers
- UA45769:30 PM1h29O'Hare International Airport10:59 PMSt. Louis Lambert International Airport$3091One-way0 transfers
- UA44125:45 PM1h31O'Hare International Airport7:16 PMSt. Louis Lambert International Airport$3091One-way0 transfers
AA306911:05 PM1h22O'Hare International Airport12:27 AMSt. Louis Lambert International Airport$3201One-way0 transfers- AA28188:55 AM1h23O'Hare International Airport10:18 AMSt. Louis Lambert International Airport$3201One-way0 transfers
- AA24447:18 PM1h26O'Hare International Airport8:44 PMSt. Louis Lambert International Airport$3201One-way0 transfers
AA635511:48 AM1h28O'Hare International Airport1:16 PMSt. Louis Lambert International Airport$5111One-way0 transfers- UA45769:30 PM1h29O'Hare International Airport10:59 PMSt. Louis Lambert International Airport$3091One-way0 transfers
Travel Information
Compare train, bus, and flight for Chicago, IL to St. Louis, MO
Omio recommends booking the train as it is the most popular option from Chicago, IL to St. Louis, MO among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $69 For those with little time, consider booking a train, which has an average total journey time of 5h 32m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.1 - 0.4kg. Average ticket prices depend on the travel mode: a bus costs an average of $69, while a flight costs an average of $652.
Distance: 260 miles (419 km)
Compare flight with
| Flight | Most popular Train | Bus | Driving |
|---|---|---|---|
$652 Average price | $88 Average price | $69 Average price Cheapest | $61 Average price (fuel + tolls) |
6h 33m Average total duration 4h 33m Onboard + 2h 0m Additional time* | 5h 32m Average total duration Fastest 5h 2m Onboard + 30m Additional time* | 7h 44m Average total duration 7h 14m Onboard + 30m Additional time* | 4h 11m Average total duration (door-to-door) |
1.3 - 2.5kg CO2 emissions | 0.1 - 0.4kg CO2 emissions Lowest | 0.4 - 1.0kg CO2 emissions | - CO2 emissions |
Most popular airline |  Most popular train company |  Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
The cheapest way to travel from Chicago, IL to St. Louis, MO is a bus with an average price of $69 (€56).
This is compared to other travel options from Chicago, IL to St. Louis, MO:
A bus is $19 (€15) less than a train for this route with tickets for a train from Chicago, IL to St. Louis, MO costing on average $88 (€71).
A bus is $583 (€472) less than a flight for this route with tickets for a flight from Chicago, IL to St. Louis, MO costing on average $652 (€528).
The fastest way to travel from Chicago, IL to St. Louis, MO is by flight with an average journey time of 4h 33m.
Other travel options to St. Louis, MO take longer:
Train takes on average 5h 2m.
Bus takes on average 7h 14m.
It's helpful to compare your options as there are 3 ways to travel between Chicago, IL and St. Louis, MO including taking a train, bus, and flight.
We recommend using the train as it is the most popular way to get from Chicago, IL to St. Louis, MO among Omio's users.
Live departures
Chicago, IL to St. Louis, MO flight times
The table below shows live departures for Chicago, IL to St. Louis, MO flights for today, Sunday, September 13. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| AA2444 | 7:18 PM O'Hare International Airport | 1h26 | 8:44 PM St. Louis Lambert International Airport | 0 transfersDirect | |
| AA532 · AA1739 | 7:30 PM O'Hare International Airport | 14h59 | 10:29 AM St. Louis Lambert International Airport | 1 transfer | |
| UA759 · UA2042 | 7:45 PM O'Hare International Airport | 15h32 | 11:17 AM St. Louis Lambert International Airport | 1 transfer | |
| UA759 · UA3717 | 7:45 PM O'Hare International Airport | 20h21 | 4:06 PM St. Louis Lambert International Airport | 1 transfer | |
| UA759 · UA3527 | 7:45 PM O'Hare International Airport | 25h02 | 8:47 PM St. Louis Lambert International Airport | 1 transfer | |
| UA2813 · UA4046 | 7:52 PM O'Hare International Airport | 18h23 | 2:15 PM St. Louis Lambert International Airport | 1 transfer | |
| UA1032 | 8:05 PM O'Hare International Airport | 1h31 | 9:36 PM St. Louis Lambert International Airport | 0 transfersDirect | |
AA1166+ AA4340 | 8:10 PM O'Hare International Airport | 12h36 | 8:46 AM St. Louis Lambert International Airport | 1 transfer | |
| UA1046 · UA652 | 8:20 PM O'Hare International Airport | 16h20 | 12:40 PM St. Louis Lambert International Airport | 1 transfer | |
| UA1046 · UA1639 | 8:20 PM O'Hare International Airport | 20h14 | 4:34 PM St. Louis Lambert International Airport | 1 transfer | |
| UA1046 · UA1422 | 8:20 PM O'Hare International Airport | 24h18 | 8:38 PM St. Louis Lambert International Airport | 1 transfer | |
| AA2976 · AA2497 | 9:01 PM O'Hare International Airport | 12h28 | 9:29 AM St. Louis Lambert International Airport | 1 transfer | |
| UA1161 · UA652 | 9:35 PM O'Hare International Airport | 15h05 | 12:40 PM St. Louis Lambert International Airport | 1 transfer | |
| UA1161 · UA1639 | 9:35 PM O'Hare International Airport | 18h59 | 4:34 PM St. Louis Lambert International Airport | 1 transfer | |
| UA1161 · UA1422 | 9:35 PM O'Hare International Airport | 23h03 | 8:38 PM St. Louis Lambert International Airport | 1 transfer | |
| UA1209 · UA2042 | 9:35 PM O'Hare International Airport | 13h42 | 11:17 AM St. Louis Lambert International Airport | 1 transfer | |
| UA2665 · UA4046 | 9:35 PM O'Hare International Airport | 16h40 | 2:15 PM St. Louis Lambert International Airport | 1 transfer | |
| AA3069 | 11:05 PM O'Hare International Airport | 1h22 | 12:27 AM St. Louis Lambert International Airport | 0 transfersDirect | |
| Monday, September 14 | |||||
| UA2455 · UA2042 | 5:00 AM O'Hare International Airport | 6h17 | 11:17 AM St. Louis Lambert International Airport | 1 transfer | |
| AA2842 · AA3096 | 5:20 AM O'Hare International Airport | 7h43 | 1:03 PM St. Louis Lambert International Airport | 1 transfer | |
| UA2806 · UA652 | 5:55 AM O'Hare International Airport | 6h45 | 12:40 PM St. Louis Lambert International Airport | 1 transfer | |
| AA1784 · AA3096 | 6:29 AM O'Hare International Airport | 6h34 | 1:03 PM St. Louis Lambert International Airport | 1 transfer | |
| UA2249 · UA554 · UA3717 | 7:00 AM O'Hare International Airport | 9h06 | 4:06 PM St. Louis Lambert International Airport | 2 transfers | |
| UA1217 · UA652 | 7:00 AM O'Hare International Airport | 5h40 | 12:40 PM St. Louis Lambert International Airport | 1 transfer | |
| UA1231 · UA4046 | 7:30 AM O'Hare International Airport | 6h45 | 2:15 PM St. Louis Lambert International Airport | 1 transfer | |
| AA411 · AA3096 | 8:05 AM O'Hare International Airport | 4h58 | 1:03 PM St. Louis Lambert International Airport | 1 transfer | |
| UA2301 · UA3717 | 8:40 AM O'Hare International Airport | 7h26 | 4:06 PM St. Louis Lambert International Airport | 1 transfer | |
| AA523 · AA3066 | 8:50 AM O'Hare International Airport | 7h37 | 4:27 PM St. Louis Lambert International Airport | 1 transfer | |
| AA2818 | 8:55 AM O'Hare International Airport | 1h23 | 10:18 AM St. Louis Lambert International Airport | 0 transfersDirect | |
| UA1044 · UA3611 · UA3527 | 9:00 AM O'Hare International Airport | 11h47 | 8:47 PM St. Louis Lambert International Airport | 2 transfers | |
| UA2183 · UA1831 · UA4527 | 9:07 AM O'Hare International Airport | 10h04 | 7:11 PM St. Louis Lambert International Airport | 2 transfers | |
| UA2183 · UA555 · UA3527 | 9:07 AM O'Hare International Airport | 11h40 | 8:47 PM St. Louis Lambert International Airport | 2 transfers | |
| AA1459 · AA1363 | 9:40 AM O'Hare International Airport | 5h04 | 2:44 PM St. Louis Lambert International Airport | 1 transfer | |
| AA315 · AA3066 | 9:53 AM O'Hare International Airport | 6h34 | 4:27 PM St. Louis Lambert International Airport | 1 transfer | |
| UA2684 · UA1831 · UA4527 | 10:25 AM O'Hare International Airport | 8h46 | 7:11 PM St. Louis Lambert International Airport | 2 transfers | |
| UA2684 · UA555 · UA3527 | 10:25 AM O'Hare International Airport | 10h22 | 8:47 PM St. Louis Lambert International Airport | 2 transfers | |
| UA441 · UA2682 · UA6173 | 10:28 AM O'Hare International Airport | 12h02 | 10:30 PM St. Louis Lambert International Airport | 2 transfers | |
| UA775 | 10:29 AM O'Hare International Airport | 1h33 | 12:02 PM St. Louis Lambert International Airport | 0 transfersDirect | |
| AA1106 · AA2761 | 11:00 AM O'Hare International Airport | 7h04 | 6:04 PM St. Louis Lambert International Airport | 1 transfer | |
| AA1106 · AA2487 | 11:00 AM O'Hare International Airport | 8h07 | 7:07 PM St. Louis Lambert International Airport | 1 transfer | |
| AA1743 · AA2571 | 11:40 AM O'Hare International Airport | 5h25 | 5:05 PM St. Louis Lambert International Airport | 1 transfer | |
| AA6355 | 11:48 AM O'Hare International Airport | 1h28 | 1:16 PM St. Louis Lambert International Airport | 0 transfersDirect | |
| AA3085 · AA2761 | 12:09 PM O'Hare International Airport | 5h55 | 6:04 PM St. Louis Lambert International Airport | 1 transfer | |
| AA3085 · AA2487 | 12:09 PM O'Hare International Airport | 6h58 | 7:07 PM St. Louis Lambert International Airport | 1 transfer | |
| UA2290 · UA1609 · UA6173 | 12:40 PM O'Hare International Airport | 9h50 | 10:30 PM St. Louis Lambert International Airport | 2 transfers | |
| UA2290 · UA2682 · UA6173 | 12:40 PM O'Hare International Airport | 9h50 | 10:30 PM St. Louis Lambert International Airport | 2 transfers | |
| UA1448 · UA4593 | 12:47 PM O'Hare International Airport | 5h45 | 6:32 PM St. Louis Lambert International Airport | 1 transfer | |
| UA293 · UA4527 | 12:55 PM O'Hare International Airport | 6h16 | 7:11 PM St. Louis Lambert International Airport | 1 transfer | |
| UA293 · UA1831 · UA1637 | 12:55 PM O'Hare International Airport | 10h43 | 11:38 PM St. Louis Lambert International Airport | 2 transfers | |
| UA1695 · UA3527 | 1:30 PM O'Hare International Airport | 7h17 | 8:47 PM St. Louis Lambert International Airport | 1 transfer | |
| AA2451 · AA2487 | 1:46 PM O'Hare International Airport | 5h21 | 7:07 PM St. Louis Lambert International Airport | 1 transfer | |
| UA2000 | 2:07 PM O'Hare International Airport | 1h31 | 3:38 PM St. Louis Lambert International Airport | 0 transfersDirect | |
| UA356 · UA2247 · UA1637 | 2:10 PM O'Hare International Airport | 9h28 | 11:38 PM St. Louis Lambert International Airport | 2 transfers | |
| UA2150 · UA1609 · UA6173 | 2:15 PM O'Hare International Airport | 8h15 | 10:30 PM St. Louis Lambert International Airport | 2 transfers | |
| UA2803 · UA1422 | 2:32 PM O'Hare International Airport | 6h06 | 8:38 PM St. Louis Lambert International Airport | 1 transfer | |
| UA1929 · UA3527 | 2:32 PM O'Hare International Airport | 6h15 | 8:47 PM St. Louis Lambert International Airport | 1 transfer | |
| AA2769+AA4680 | 2:56 PM O'Hare International Airport | 6h28 | 9:24 PM St. Louis Lambert International Airport | 1 transfer | |
| AA2840+AA4599 | 2:59 PM O'Hare International Airport | 6h44 | 9:43 PM St. Louis Lambert International Airport | 1 transfer | |
| AA2429 · AA1445 | 3:00 PM O'Hare International Airport | 8h43 | 11:43 PM St. Louis Lambert International Airport | 1 transfer | |
| AA4645 | 3:17 PM O'Hare International Airport | 1h31 | 4:48 PM St. Louis Lambert International Airport | 0 transfersDirect | |
| UA4416 | 3:35 PM O'Hare International Airport | 1h31 | 5:06 PM St. Louis Lambert International Airport | 0 transfersDirect | |
| UA1215 · UA3644 · UA1637 | 3:35 PM O'Hare International Airport | 8h03 | 11:38 PM St. Louis Lambert International Airport | 2 transfers | |
| AA2531 · AA1445 | 3:50 PM O'Hare International Airport | 7h53 | 11:43 PM St. Louis Lambert International Airport | 1 transfer | |
| AA1393+AA4599 | 4:00 PM O'Hare International Airport | 5h43 | 9:43 PM St. Louis Lambert International Airport | 1 transfer | |
| UA714 · UA6173 | 4:11 PM O'Hare International Airport | 6h19 | 10:30 PM St. Louis Lambert International Airport | 1 transfer | |
| AA3188 · AA459 | 4:45 PM O'Hare International Airport | 5h57 | 10:42 PM St. Louis Lambert International Airport | 1 transfer | |
| AA2499 · AA1445 | 4:50 PM O'Hare International Airport | 6h53 | 11:43 PM St. Louis Lambert International Airport | 1 transfer | |
| UA4412 | 5:45 PM O'Hare International Airport | 1h31 | 7:16 PM St. Louis Lambert International Airport | 0 transfersDirect | |
| AA1559 · AA1445 | 5:59 PM O'Hare International Airport | 5h44 | 11:43 PM St. Louis Lambert International Airport | 1 transfer | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Chicago, IL to St. Louis, MO by train, bus, or flight
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Why should you book Chicago, IL to St. Louis, MO flights with Omio?
American Airlines as well as United or Republic Airlines offer flights services from Chicago, IL to St. Louis, MO.
Omio is an official ticket reseller for all your travel options from Chicago, IL to St. Louis, MO.
Why book with Omio vs American Airlines?
- Compare with other providers: On Omio, you can not only buy tickets for American Airlines, but also compare tickets for the likes of United or Republic Airlines to find the best option for your trip from Chicago, IL to St. Louis, MO.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare American Airlines with all available travel options, which are train, bus and flight to ensure you get the best deal for traveling from Chicago, IL to St. Louis, MO.
Why book with Omio over Trip, Edreams or Skyscanner?
- Compare with other providers: On Omio, you can also compare tickets for the likes of United or Republic Airlines to find the best option for your trip from Chicago, IL to St. Louis, MO.
- Multiple modes of transport: Omio allows you to compare travel options including train, bus and flight to find the ideal travel option from Chicago, IL to St. Louis, MO.
Airlines: United, American Airlines, skywest airlines, Republic Airlines, psa airlines from Chicago, IL to St. Louis, MOFind the best flights between Chicago, IL to St. Louis, MO with Omio's travel partners United, American Airlines, skywest airlines, Republic Airlines, psa airlines from $26 (€21). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average United Duration
1h 22m
Cheapest United Price
$84 (€68)
United frequency
36 a day
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.
American Airlines
About
American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.
Luggage & cancellation policy
Average American Airlines Duration
1h 13m
Cheapest American Airlines Price
$50 (€40)
American Airlines frequency
19 a day
Luggage included
1 carry-on bag (22 x 14 x 9 inches) and 1 personal item (18 x 14 x 8 inches) included in most fares
Additional luggage
Checked bags fees vary by route. First checked bag typically $30, second $40 on domestic flights
Cancellation Policy
Basic Economy tickets cannot be changed or refunded. Other fares allow changes with fee, refunds subject to fare rules.
Pregnant on board
Passengers can fly up to 36 weeks for single pregnancies, 32 weeks for multiple pregnancies. Medical certificate required within 7 days of departure if within 4 weeks of due date.
Unaccompagned minor
Children ages 5-14 can travel alone using American Airlines Unaccompanied Minor Service. Service fee is $150 each way.
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
American Airlines provides wheelchair assistance and special services for passengers with disabilities. Assistance must be requested at least 48 hours before departure.
Pets
Small dogs and cats allowed in cabin for $125 fee. Must be in approved carrier under seat. Service animals allowed.
skywest airlines
About
SkyWest Airlines is a major North American regional airline headquartered in St. George, Utah. It operates flights for larger carriers such as Alaska Airlines (as Alaska SkyWest), American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express). SkyWest is the largest regional airline in North America by fleet size, passengers carried, and destinations served. The airline connects passengers to over 250 destinations across the United States, Canada, and Mexico, primarily linking smaller airports to major airline hubs. SkyWest's fleet consists of regional jets, including the Bombardier CRJ series and Embraer 175 aircraft.
Luggage & cancellation policy
Average skywest airlines Duration
1h 20m
Cheapest skywest airlines Price
$52 (€42)
skywest airlines frequency
1 a day
Luggage included
One carry-on bag and one personal item are allowed for free.
Additional luggage
Additional luggage can be purchased, and fees apply for excess, oversized, or overweight baggage.
Cancellation Policy
If canceled within 24 hours of purchase, a full refund is possible, provided the departure is at least 7 days away; after 24 hours, fees range from $100 to $500.
Refund
If SkyWest Airlines cancels a flight, passengers are eligible for a full refund.
Pregnant on board
Being pregnant on board is allowed, but specific policies may depend on the partner airline.
Unaccompagned minor
Children aged 5-14 can travel alone using the unaccompanied minor service, which includes airport escort and supervision.
Amenities on board the airplane
Seat reservation
Toilets
Accessibility
SkyWest Airlines complies with all provisions of the Air Carrier Access Act and accommodates customers with special needs.
Bikes
Bicycles can be checked in but may incur additional fees and must be properly packed.
Pets
Small pets like cats and dogs are allowed in the cabin for a fee, with restrictions on pet and carrier size.
psa airlines
About
PSA Airlines is an American regional airline and a wholly-owned subsidiary of the American Airlines Group, operating exclusively on behalf of American Airlines under the American Eagle brand. Headquartered in Charlotte, North Carolina, PSA Airlines operates over 800 daily flights to nearly 100 destinations across the United States. The airline maintains an all-jet fleet consisting of Bombardier CRJ700 and CRJ900 regional aircraft. With a team of over 5,000 employees, PSA Airlines plays a significant role in connecting smaller cities to major hubs within American Airlines' network.
Luggage & cancellation policy
Average psa airlines Duration
4h 26m
Cheapest psa airlines Price
$210 (€170)
psa airlines frequency
1 a day
Luggage included
One carry-on bag and one personal item are allowed.
Additional luggage
Additional luggage can be checked for a fee, with weight limits up to 32kg (70lbs) for a single piece.
Cancellation Policy
PSA Airlines' cancellation policy depends on the timeframe of cancellation and ticket flexibility, with some flexible ticket options offering easier cancellations.
Refund
Passengers are entitled to a refund if the airline cancels a flight and they choose not to travel.
Amenities on board the airplane
Food sold onboard
Non-alcoholic beverages are complimentary in Economy Class, while alcoholic drinks and snack boxes can be purchased.
Seat reservation
Seat selection for standard seating is typically included, but preferred or Main Cabin Extra seats may require an additional fee.
Accessibility
Wheelchair assistance is available and should be requested at least 24 hours prior to flight departure.
Bikes
Bicycles can be carried as checked baggage if handlebars are turned sideways, pedals are removed, tires are deflated, and the bike is packed in a case or durable cardboard box.
Republic Airlines
About
Republic Airways is a major regional airline in the United States, operating as a subsidiary of Republic Airways Holdings. It provides scheduled passenger service for American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express) using a fleet of Embraer 170 and 175 regional jets. Headquartered in Indianapolis, Indiana, Republic Airways operates over 900 daily flights to more than 80 cities across the U.S. and Canada. The company is known for its large fleet of Embraer E-Jets and its state-of-the-art training facilities. In April 2025, Republic Airways Holdings announced its acquisition of Mesa Air Group, which is expected to create the second-largest regional carrier in the U.S.
Luggage & cancellation policy
Average Republic Airlines Duration
1h 20m
Cheapest Republic Airlines Price
$51 (€41)
Republic Airlines frequency
2 a day
Luggage included
One carry-on bag (24 x 16 x 10) and one personal item
Additional luggage
Checked bags for a fee
Cancellation Policy
Tickets are non-refundable but may be cancelled for future flight credit minus applicable fees
Pregnant on board
Passengers can fly up to the end of their 36th week for single pregnancies and the end of their 32nd week for multiple pregnancies
Unaccompagned minor
Unaccompanied minor service is available for children ages 5-14. Must be booked directly with Republic Airlines
Amenities on board the airplane
USB plugs
Accessibility
Republic Airlines offers assistance for passengers with reduced mobility, including wheelchair services and priority boarding. Passengers are advised to request these services in advance to ensure availability and proper arrangements.
Complete guide to St. Louis, MO
Things to do in St. Louis, MO
Discover the best of St. Louis, MO — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect St. Louis, MO trip today.
- Recommended
Missouri History Museum
Leading history museum covering St. Louis, Missouri, and national stories through rotating exhibitions in Forest Park.
- Recommended
Saint Louis Science Center
Interactive science museum with hands-on exhibits, planetarium, and family-friendly displays near Forest Park.
- Must visit
Gateway Arch National Park Grounds
Lively downtown riverfront district with trails, views of the Arch, public art, and access to major historic sites.
- Must visit
Forest Park
Large urban park with trails, lakes, zoo access, and major museums, ideal for walking between top attractions.
- Recommended
Tower Grove Park
Beloved neighborhood park with formal lily ponds, pavilions, and one of the city's most photographed landscapes.
- Vegetarian
St. Louis-Style Pizza
A thin, cracker-like crust pizza cut into squares and topped with Provel cheese, a St. Louis original loved for its distinct texture and tangy flavor.
- Vegetarian
Toasted Ravioli
Crisp, breaded ravioli said to be born on The Hill, usually served with marinara. It is a signature St. Louis Italian-American appetizer.
- Vegetarian
Gooey Butter Cake
Sticky butter cake with a dense base and gooey sweet top. A longtime St. Louis bakery favorite often enjoyed for breakfast or dessert.
Bulrush
Refined contemporary restaurant with tasting menus and strong national acclaim. Elegant fine dining focused on seasonal Midwestern ingredients.
Ted Drewes Frozen Custard
Beloved frozen custard stand serving concretes and sundaes since 1929. Casual, nostalgic, and one of the city's iconic dessert stops.
Pappy's Smokehouse
Popular smokehouse known for St. Louis barbecue, especially ribs, brisket, and pork steak, in a polished but relaxed atmosphere.
United States dollar ($)
Moderate for U.S. city breaks: hotels and dining are reasonable, transit is limited, and attractions often cost less than in larger U.S. tourist cities.
Average meal costs
- Budget
- $10-15 for fast food or casual lunch.
- Mid-range
- $20-35 per person for a mid-range restaurant meal.
- Fine dining
- $60+ per person at upscale restaurants.
- Coffee
- $3-5 for coffee or cappuccino.
Tipping culture
Tip 18-20% at restaurants, $1-2 per drink at bars, and 10-15% for taxis. Cafes often have tip jars or screen prompts.
FAQs: Chicago, IL to St. Louis, MO Flight
Find answers to the most common questions about traveling from Chicago, IL to St. Louis, MO by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at St. Louis, MO, this guide helps you travel smarter and with confidence.
Cheap plane tickets from Chicago, IL to St. Louis, MO can start from as little as $50 (€40) when you book in advance. The average flight ticket price for Chicago, IL to St. Louis, MO is $652 (€528) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Chicago, IL to St. Louis, MO is 1h 13m to travel the 260 miles (419 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Chicago, IL to St. Louis, MO leaves at 12:15 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Chicago, IL to St. Louis, MO leaves at 11:55 PM.
Yes, there are 11 direct flights a day from Chicago, IL to St. Louis, MO with American Airlines, United, Republic Airlines. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Chicago, IL to St. Louis, MO, you can count on American Airlines, United, Republic Airlines for the best way to get you to St. Louis, MO. You can also check all possible airlines who offer a service between Chicago, IL and St. Louis, MO and compare the amenities they offer before buying a plane ticket.
Flights from Chicago, IL to St. Louis, MO generally leave from O'Hare International Airport and arrive in St. Louis Lambert International Airport.O'Hare International Airport is 1 miles (3 km) away from Chicago, IL city centre and St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
The cheapest month for a flight from Chicago, IL to St. Louis, MO is July.
It's helpful to compare your options as there are 3 ways to travel between Chicago, IL and St. Louis, MO including taking a train, bus, and flight.
Since neither Chicago, IL nor St. Louis, MO are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is no time difference between Chicago, IL and St. Louis, MO.
The best events to attend in St. Louis, MO include:
- St. Louis Mardi Gras, a vibrant celebration featuring parades, live music, and festive activities in the Soulard neighborhood
- St. Louis Art Fair, an annual event showcasing local and national artists with art exhibits, live performances, and culinary delights
- Fair St. Louis, a multi-day Independence Day festival with fireworks, concerts, and family-friendly activities along the Gateway Arch.
The best holidays to experience in St. Louis, MO include:
- Independence Day, vibrant fireworks and festive celebrations throughout the city
- Labor Day, pleasant weather and various outdoor activities
- Thanksgiving, a time for family gatherings with a charming autumn atmosphere.
The best season to visit St. Louis, MO is Spring or Fall. The best weather to explore St. Louis, MO is during April-May or September-October.
We recommend using the train as it is the most popular way to get from Chicago, IL to St. Louis, MO among Omio's users.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
In St. Louis, MO, travelers should be cautious in certain neighborhoods with higher crime rates, especially after dark. Common safety concerns include petty theft, pickpocketing, and occasional scams targeting visitors near popular attractions like the Gateway Arch. It’s advisable to stay in well-populated areas, avoid displaying valuables openly, and use reputable transportation services to minimize risks.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
popular airports
Popular airports from Chicago, IL to St. Louis, MO
Most Chicago, IL to St. Louis, MO flights use the O'Hare International Airport to St. Louis Lambert International Airport airport pair. Use this guide to compare Chicago, IL and St. Louis, MO airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Departure airports in Chicago
Arrival airports in St. Louis
Which Chicago, IL airport do flights to St. Louis, MO leave from?
Flights from Chicago, IL to St. Louis, MO depart from O'Hare International Airport. The airport is 2 miles (4 km) from Chicago, IL city centre at 10000 W O'Hare Ave, Chicago, IL 60666, USA.
O'Hare International Airport (ORD)10000 W O'Hare Ave, Chicago, IL 60666, USA
City-centre transport
Getting to O'Hare International Airport from Chicago city centre
O'Hare International Airport is 3 km from Chicago city centre. Public transport options include:
SubwayBlue Line · 1h 7m · $6 · every ~23 min
O'Hare International Airport airport facilities and services
O'Hare International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food and drink
Food options include: Restaurants are located in all terminals, offering a variety of cuisines including American and intertiol. Top options include Tortas Frontera and Publican Tavern.
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are located throughout all terminals.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at O'Hare International Airport: Parking, Taxis, WC.
Bike and car services
Available at O'Hare International Airport: Car Rental.
Accessibility
Accessibility facilities are available at O'Hare International Airport: Elevators, ramps, toilets.
Shops, hotels and contact
Nearby hotels include Hotels such as Hilton Chicago O'Hare are located on airport grounds, with others like the Hyatt Regency nearby..
Which St. Louis, MO airport do flights from Chicago, IL arrive at?
Flights from Chicago, IL to St. Louis, MO arrive at St. Louis Lambert International Airport. St. Louis Lambert International Airport is 1 miles (2 km) from St. Louis, MO city centre.
St. Louis Lambert International Airport (STL)10701 Lambert Intertiol Blvd, St. Louis, MO 63145, USA
City-centre transport
Getting to St. Louis Lambert International Airport from St. Louis city centre
St. Louis Lambert International Airport is 2 km from St. Louis city centre. Public transport options include:
TrainMlr · 31m · $4 · every ~7 min
BusGreyhound US1210 · 25m · $2
St. Louis Lambert International Airport airport facilities and services
St. Louis Lambert International Airport has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Shower, Lounge, Lost and Found Office, and Car Rental.
Food and drink
Food options include: Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are located in both terminals.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at St. Louis Lambert International Airport: Parking, Taxis, WC.
Bike and car services
Available at St. Louis Lambert International Airport: Car Rental.
Accessibility
Accessibility facilities are available at St. Louis Lambert International Airport: Elevators, ramps.
Shops, hotels and contact
Nearby hotels include Hotels nearby, such as Marriott St. Louis Airport within walking distance..
More options for your journey from Chicago, IL to St. Louis, MO
Here are some other resources that might have the information you need
Most popular flights to and from St. Louis, MO and Chicago, IL
Most popular flights to St. Louis, MO
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