Journey information
Overview: St. Louis, MO to Chicago, IL flight
Flights from St. Louis, MO to Chicago, IL depart on average 10 times per day, taking around 1h 21m. Cheap flight tickets for this journey start at $313 (€253) but you can travel from only $35 (€28) by bus.
There are 4 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 22m. May is the cheapest month to fly.
Distance 260 miles (419 km) |
Average flight duration 1h 21m |
Cheapest ticket price $313 (€253) |
Flights per day 10 |
Direct flights 4 |
Fastest flight 1h 22m |
Cheapest month to travel May |
First flight 00:15 |
Last flight 23:55 |
The cheapest and fastest flights from St. Louis, MO to Chicago, IL
Cheapest price
$486
Average price
$879
Fastest journey
1 h 22 m
Average duration
1 h 29 m
Flights per day
38
Distance
419 km
The best way to find a cheap flight ticket from St. Louis, MO to Chicago, IL is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from St. Louis, MO to Chicago, IL will cost around $879 if you buy it on the day, but the cheapest tickets can be found for only $486.
Of the 38 flights that leave St. Louis, MO for Chicago, IL onSun, Jan 11, 12 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Jan 11 the direct flights cover the 419 km distance in an average of 1 h 29 m but if you time it right, some flights will get you there in just 1 h 22 m .
On Sun, Jan 11 the longest flights will take 1 h 35 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.
UA4395
UA4389
UA4423
UA4183
UA4559
AA3458
AA3741
AA6342
AA3730
UA4395Travel Information
Compare train, bus, and flight for St. Louis, MO to Chicago, IL
Omio recommends booking the train as it is the most popular option from St. Louis, MO to Chicago, IL among Omio's users. If you are prioritising price take the bus with prices starting from €28. 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 bus costs an average of €28, and a flight costs an average of €253.
Distance: 260 miles (419 km)
Compare flight with
| Flight | Most popular Train | Bus |
|---|---|---|
€316 Average price | €45 Average price | €45 Average price Cheapest |
4h 21m Average total duration Fastest 1h 21m Onboard + 3h 0m Additional time* | 5h 40m Average total duration 5h 10m Onboard + 30m Additional time* | 6h 50m Average total duration 6h 20m 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
St. Louis, MO to Chicago, IL flight times
The table below shows live departures for St. Louis, MO to Chicago, IL flights for today, Saturday, January 10. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
UA1371 · UA787 | 12:00 PM St. Louis Lambert International Airport | 13h50 | 1:50 AM O'Hare International Airport | 1 transfer | |
UA1371 · UA1608 | 12:00 PM St. Louis Lambert International Airport | 11h07 | 11:07 PM O'Hare International Airport | 1 transfer | |
UA1371 · UA2124 | 12:00 PM St. Louis Lambert International Airport | 6h57 | 6:57 PM O'Hare International Airport | 1 transfer | |
UA1371 · UA584 · UA1564 | 12:00 PM St. Louis Lambert International Airport | 12h55 | 12:55 AM O'Hare International Airport | 2 transfers | |
UA1371 · UA6187 · UA1324 | 12:00 PM St. Louis Lambert International Airport | 9h43 | 9:43 PM O'Hare International Airport | 2 transfers | |
UA1371 · UA2243 | 12:00 PM St. Louis Lambert International Airport | 10h57 | 10:57 PM O'Hare International Airport | 1 transfer | |
UA4423 | 12:30 PM St. Louis Lambert International Airport | 1h35 | 2:05 PM O'Hare International Airport | 0 transfersDirect | |
UA3548 · UA661 | 1:00 PM St. Louis Lambert International Airport | 11h15 | 12:15 AM O'Hare International Airport | 1 transfer | |
UA3548 · UA1875 | 1:00 PM St. Louis Lambert International Airport | 6h15 | 7:15 PM O'Hare International Airport | 1 transfer | |
UA3548 · UA533 | 1:00 PM St. Louis Lambert International Airport | 9h56 | 10:56 PM O'Hare International Airport | 1 transfer | |
UA3548 · UA2053 | 1:00 PM St. Louis Lambert International Airport | 7h28 | 8:28 PM O'Hare International Airport | 1 transfer | |
UA3548 · UA332 | 1:00 PM St. Louis Lambert International Airport | 9h06 | 10:06 PM O'Hare International Airport | 1 transfer | |
UA4506 · UA4187 · UA661 | 2:30 PM St. Louis Lambert International Airport | 9h45 | 12:15 AM O'Hare International Airport | 2 transfers | |
UA4506 · UA2331 | 2:30 PM St. Louis Lambert International Airport | 5h55 | 8:25 PM O'Hare International Airport | 1 transfer | |
UA4506 · UA3698 · UA1225 | 2:30 PM St. Louis Lambert International Airport | 9h53 | 12:23 AM O'Hare International Airport | 2 transfers | |
UA4506 · UA4187 · UA533 | 2:30 PM St. Louis Lambert International Airport | 8h26 | 10:56 PM O'Hare International Airport | 2 transfers | |
UA4506 · UA1738 | 2:30 PM St. Louis Lambert International Airport | 15h09 | 5:39 AM O'Hare International Airport | 1 transfer | |
UA4506 · UA2497 | 2:30 PM St. Louis Lambert International Airport | 10h07 | 12:37 AM O'Hare International Airport | 1 transfer | |
UA1396 · UA2865 | 2:45 PM St. Louis Lambert International Airport | 6h10 | 8:55 PM O'Hare International Airport | 1 transfer | |
UA1396 · UA617 | 2:45 PM St. Louis Lambert International Airport | 8h19 | 11:04 PM O'Hare International Airport | 1 transfer | |
UA1396 · UA1411 | 2:45 PM St. Louis Lambert International Airport | 12h30 | 3:15 AM O'Hare International Airport | 1 transfer | |
UA1396 · UA1023 | 2:45 PM St. Louis Lambert International Airport | 10h01 | 12:46 AM O'Hare International Airport | 1 transfer | |
UA1396 · UA377 | 2:45 PM St. Louis Lambert International Airport | 15h14 | 5:59 AM O'Hare International Airport | 1 transfer | |
UA4389 | 3:57 PM St. Louis Lambert International Airport | 1h35 | 5:32 PM O'Hare International Airport | 0 transfersDirect | |
AA6342 | 5:05 PM St. Louis Lambert International Airport | 1h29 | 6:34 PM O'Hare International Airport | 0 transfersDirect | |
UA4395 | 5:20 PM St. Louis Lambert International Airport | 1h35 | 6:55 PM O'Hare International Airport | 0 transfersDirect | |
UA3573 · UA661 | 5:22 PM St. Louis Lambert International Airport | 6h53 | 12:15 AM O'Hare International Airport | 1 transfer | |
UA3573 · UA254 | 5:22 PM St. Louis Lambert International Airport | 8h52 | 2:14 AM O'Hare International Airport | 1 transfer | |
UA4437 | 7:15 PM St. Louis Lambert International Airport | 1h35 | 8:50 PM O'Hare International Airport | 0 transfersDirect | |
AA6356 | 7:40 PM St. Louis Lambert International Airport | 1h29 | 9:09 PM O'Hare International Airport | 0 transfersDirect | |
UA4556 | 9:11 PM St. Louis Lambert International Airport | 1h43 | 10:54 PM O'Hare International Airport | 0 transfersDirect | |
UA1229 · UA377 | 10:15 PM St. Louis Lambert International Airport | 7h44 | 5:59 AM O'Hare International Airport | 1 transfer | |
UA521 · UA1488 | 10:42 PM St. Louis Lambert International Airport | 15h06 | 1:48 PM O'Hare International Airport | 1 transfer | |
UA521 · UA1293 | 10:42 PM St. Louis Lambert International Airport | 7h46 | 6:28 AM O'Hare International Airport | 1 transfer | |
UA4494 | 10:49 PM St. Louis Lambert International Airport | 1h43 | 12:32 AM O'Hare International Airport | 0 transfersDirect | |
AA6314 | 12:43 AM St. Louis Lambert International Airport | 1h34 | 2:17 AM O'Hare International Airport | 0 transfersDirect | |
This is the last flight of the day. | |||||
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How far in advance should I book flight tickets from St. Louis, MO to Chicago, IL?
Compare prices and tickets St. Louis, MO to Chicago, IL by train, bus, or flight
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Airlines: United, American Airlines, Republic Airlines from St. Louis, MO to Chicago, ILFind the best flights between St. Louis, MO to Chicago, IL with Omio's travel partners United, American Airlines, Republic Airlines from $35 (€28). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
United
American Airlines
Republic Airlines
FAQs: St. Louis, MO to Chicago, IL Flight
Find answers to the most common questions about traveling from St. Louis, MO to Chicago, IL 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 Chicago, IL, this guide helps you travel smarter and with confidence.

- Chicago Air and Water Show, an exhilarating display of military and civilian aircraft performing daring maneuvers over Lake Michigan
- Lollapalooza, a massive music festival featuring top artists across multiple genres in Grant Park
- Chicago Gourmet, a premier culinary event celebrating the city's vibrant food scene with tastings, cooking demonstrations, and wine pairings.
- Memorial Day, the unofficial start of summer with vibrant outdoor activities and events
- Independence Day, spectacular fireworks and festive celebrations throughout the city
- Labor Day, a lively atmosphere with various festivals and pleasant weather.
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.
popular airports
Popular airports from St. Louis, MO to Chicago, IL
- 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
- 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
Most popular flights from St. Louis, MO
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