Journey information
Overview: Chicago, IL to St. Louis, MO flight
Flights from Chicago, IL to St. Louis, MO depart on average 19 times per day, taking around 1h 21m. Cheap flight tickets for this journey start at $95 (€77) but you can travel from only $30 (€24) by train.
There are 6 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 21m. April is the cheapest month to fly.
Distance 260 miles (419 km) |
Average flight duration 1h 21m |
Cheapest ticket price $95 (€77) |
Flights per day 19 |
Direct flights 6 |
Fastest flight 1h 21m |
Cheapest month April |
First flight 00:15 |
Last flight 23:55 |
The cheapest and fastest flights from Chicago, IL to St. Louis, MO
Cheapest price
$488
Average price
$813
Fastest journey
1 h 14 m
Average duration
1 h 19 m
Flights per day
44
Distance
419 km
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 $813 if you buy it on the day, but the cheapest tickets can be found for only $488.
Of the 44 flights that leave Chicago, IL for St. Louis, MO onWed, Mar 11, 16 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Mar 11 the direct flights cover the 419 km distance in an average of 1 h 19 m but if you time it right, some flights will get you there in just 1 h 14 m .
On Wed, Mar 11 the longest flights will take 1 h 23 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.
AA1926
AA2304
AA4460
AA3712
AA3573
AA1926
AA2304
AA3714
AA4889
AA3712Travel 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 train with prices starting from $30. For those with little time consider booking a flight which can get you there in 1h 21m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.1 - 0.4kg. The ticket price range depends on the travel mode: a train costs an average of $30, and a flight costs an average of $95.
Distance: 260 miles (419 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
$375 Average price | $62 Average price Cheapest | $71 Average price |
4h 21m Average total duration Fastest 1h 21m Onboard + 3h 0m Additional time* | 5h 29m Average total duration 4h 59m Onboard + 30m Additional time* | 6h 57m Average total duration 6h 27m Onboard + 30m Additional time* |
1.3 - 2.5kg CO2 emissions | 0.1 - 0.4kg CO2 emissions Lowest | 0.4 - 1.0kg CO2 emissions |
![]() Most popular airline | ![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
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, Tuesday, March 10. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA2118 · UA652 | 12:00 PM O'Hare International Airport | 6h19 | 6:19 PM St. Louis Lambert International Airport | 1 transfer | |
UA2249 · UA554 · UA3719 | 12:15 PM O'Hare International Airport | 9h45 | 10:00 PM St. Louis Lambert International Airport | 2 transfers | |
AA4460 | 12:20 PM O'Hare International Airport | 1h31 | 1:51 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA1231 · UA6132 | 12:35 PM O'Hare International Airport | 8h30 | 9:05 PM St. Louis Lambert International Airport | 1 transfer | |
AA3712 | 1:06 PM O'Hare International Airport | 1h23 | 2:29 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA1357 · UA4187 · UA3719 | 1:50 PM O'Hare International Airport | 8h10 | 10:00 PM St. Louis Lambert International Airport | 2 transfers | |
UA2225 · UA6132 | 1:53 PM O'Hare International Airport | 7h12 | 9:05 PM St. Louis Lambert International Airport | 1 transfer | |
UA2301 · UA1992 · UA4527 | 2:15 PM O'Hare International Airport | 9h58 | 12:13 AM St. Louis Lambert International Airport | 2 transfers | |
UA2301 · UA3719 | 2:15 PM O'Hare International Airport | 7h45 | 10:00 PM St. Louis Lambert International Airport | 1 transfer | |
UA3454 · UA3688 · UA4527 | 3:00 PM O'Hare International Airport | 9h13 | 12:13 AM St. Louis Lambert International Airport | 2 transfers | |
UA2605 · UA1831 · UA4527 | 3:35 PM O'Hare International Airport | 8h38 | 12:13 AM St. Louis Lambert International Airport | 2 transfers | |
UA2605 · UA1831 · UA3638 | 3:35 PM O'Hare International Airport | 13h16 | 4:51 AM St. Louis Lambert International Airport | 2 transfers | |
UA2605 · UA555 · UA3638 | 3:35 PM O'Hare International Airport | 13h16 | 4:51 AM St. Louis Lambert International Airport | 2 transfers | |
UA5756 · UA6190 · UA4527 | 3:37 PM O'Hare International Airport | 8h36 | 12:13 AM St. Louis Lambert International Airport | 2 transfers | |
UA1856 · UA1992 · UA4527 | 3:50 PM O'Hare International Airport | 8h23 | 12:13 AM St. Louis Lambert International Airport | 2 transfers | |
UA1856 · UA3719 | 3:50 PM O'Hare International Airport | 6h10 | 10:00 PM St. Louis Lambert International Airport | 1 transfer | |
UA4491 | 3:56 PM O'Hare International Airport | 1h31 | 5:27 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA2629 · UA3688 · UA4527 | 4:05 PM O'Hare International Airport | 8h08 | 12:13 AM St. Louis Lambert International Airport | 2 transfers | |
UA1448 · UA1663 | 5:45 PM O'Hare International Airport | 9h31 | 3:16 AM St. Louis Lambert International Airport | 1 transfer | |
AA3868 | 5:47 PM O'Hare International Airport | 1h20 | 7:07 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA1113 · UA1422 | 5:50 PM O'Hare International Airport | 7h51 | 1:41 AM St. Louis Lambert International Airport | 1 transfer | |
UA2290 · UA1609 · UA1663 | 5:57 PM O'Hare International Airport | 9h19 | 3:16 AM St. Louis Lambert International Airport | 2 transfers | |
UA293 · UA1831 · UA3638 | 6:06 PM O'Hare International Airport | 10h45 | 4:51 AM St. Louis Lambert International Airport | 2 transfers | |
UA293 · UA4527 | 6:06 PM O'Hare International Airport | 6h07 | 12:13 AM St. Louis Lambert International Airport | 1 transfer | |
UA5508 | 6:18 PM O'Hare International Airport | 1h31 | 7:49 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA270 · UA1422 | 7:01 PM O'Hare International Airport | 6h40 | 1:41 AM St. Louis Lambert International Airport | 1 transfer | |
UA1215 · UA1663 | 7:10 PM O'Hare International Airport | 8h06 | 3:16 AM St. Louis Lambert International Airport | 1 transfer | |
UA1892 · UA3638 | 7:35 PM O'Hare International Airport | 9h16 | 4:51 AM St. Louis Lambert International Airport | 1 transfer | |
UA2347 · UA1422 | 7:45 PM O'Hare International Airport | 5h56 | 1:41 AM St. Louis Lambert International Airport | 1 transfer | |
UA4460 | 7:54 PM O'Hare International Airport | 1h29 | 9:23 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA2184 · UA3638 | 8:40 PM O'Hare International Airport | 8h11 | 4:51 AM St. Louis Lambert International Airport | 1 transfer | |
UA714 · UA1663 | 9:00 PM O'Hare International Airport | 6h16 | 3:16 AM St. Louis Lambert International Airport | 1 transfer | |
UA2649 · UA4748 | 9:05 PM O'Hare International Airport | 7h29 | 4:34 AM St. Louis Lambert International Airport | 1 transfer | |
UA1630 · UA3638 | 9:30 PM O'Hare International Airport | 7h21 | 4:51 AM St. Louis Lambert International Airport | 1 transfer | |
UA6017 | 9:35 PM O'Hare International Airport | 1h25 | 11:00 PM St. Louis Lambert International Airport | 0 transfersDirect | |
AA6235 | 9:36 PM O'Hare International Airport | 1h22 | 10:58 PM St. Louis Lambert International Airport | 0 transfersDirect | |
UA4416 | 10:50 PM O'Hare International Airport | 1h24 | 12:14 AM St. Louis Lambert International Airport | 0 transfersDirect | |
| Wednesday, March 11 | |||||
![]() | 12:15 AM Chicago, IL | 15h53 | 4:08 PM St. Louis, MO | 0 transfersDirect | |
UA684 | 12:42 AM O'Hare International Airport | 1h25 | 2:07 AM St. Louis Lambert International Airport | 0 transfersDirect | |
AA3573 | 12:46 AM O'Hare International Airport | 1h25 | 2:11 AM St. Louis Lambert International Airport | 0 transfersDirect | |
UA4576 | 2:33 AM O'Hare International Airport | 1h26 | 3:59 AM St. Louis Lambert International Airport | 0 transfersDirect | |
AA1926 | 3:30 AM O'Hare International Airport | 1h14 | 4:44 AM St. Louis Lambert International Airport | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
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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?
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: American Airlines, United, Republic Airlines from Chicago, IL to St. Louis, MOFind the best flights between Chicago, IL to St. Louis, MO with Omio's travel partners American Airlines, United, Republic Airlines from $30 (€24). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
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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.

- 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.
- 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.
popular airports
Popular airports from Chicago, IL to St. Louis, MO
- Free Wi-Fi available throughout the airport.
- Shops are located in all terminals, including duty-free and brands like Hudson and MAC Cosmetics.
- Parking available with options including hourly, daily, and economy lots, approximately 2.85€ ($3) per hour.
- Restaurants are located in all terminals, offering a variety of cuisines including American and intertiol. Top options include Tortas Frontera and Publican Tavern.
- Available outside the terminal.
- Elevators, ramps, toilets
- Available throughout the airport.
- Hotels such as Hilton Chicago O'Hare are located on airport grounds, with others like the Hyatt Regency nearby.
- Showers are available in some lounges, such as the United Club, but access may require a fee or membership.
- Lounges available, including United Club and American Airlines Admirals Club.
- Lost and Found located in terminal 1, near the baggage claim area.
- Car rental services are available at the Multi-Modal Facility, with companies like Hertz and Avis.
- CTA Blue Line, O'Hare Station, 45 minutes to city center
- Free Wi-Fi available throughout the airport.
- Shops in both terminals, including Hudson News and Tech on the Go.
- Parking available with short-term and long-term options, approximately 1.42€ ($1.50) per hour.
- Restaurants in both terminals, including fast food and sit-down options like Starbucks and Chili's
- Available outside the terminal.
- Elevators, ramps
- Available throughout both terminals.
- Hotels nearby, such as Marriott St. Louis Airport within walking distance.
- Showers available in some lounges, access may require lounge fee.
- Lounges available, including American Airlines Admirals Club.
- Lost and Found located in terminal 1, contact airport for details.
- Car rental services available, including Hertz and Enterprise in terminal 1
- MetroLink Red Line, Lambert Airport terminal 1 & 2 stations, 35 minutes
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