Cheap flights from Chicago, IL to St. Louis, MO
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to St. Louis
Cheapest nonstop round-trip | £108 |
|---|---|
Nonstop flights in May | £108 – £325 |
Most popular airline | United Airlines |
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Sorry, we couldn't find any results
Sorry, we couldn't find any results
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from O Hare International, Chicago Midway International, or Chicago Rockford International when they travel from Chicago to St. Louis. The distance between Chicago and St. Louis is 415 km. The most popular airlines for this route are United Airlines, and Southern Airways Express. Chicago and St. Louis have 60 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Chicago to St. Louis in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Mon 06.05 - Sun 12.05
| Airline | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 | Sun 12.05 |
|---|---|---|---|---|---|---|---|
| 5 | 6 | 6 | 6 | 6 | 6 | 6 |
Weekly direct flights for Mon 13.05 - Sun 19.05
| Airline | Mon 13.05 | Tue 14.05 | Wed 15.05 | Thu 16.05 | Fri 17.05 | Sat 18.05 | Sun 19.05 |
|---|---|---|---|---|---|---|---|
| 6 | 5 | 6 | 6 | 6 | 6 | 6 |
Weekly direct flights for Mon 20.05 - Sun 26.05
| Airline | Mon 20.05 | Tue 21.05 | Wed 22.05 | Thu 23.05 | Fri 24.05 | Sat 25.05 | Sun 26.05 |
|---|---|---|---|---|---|---|---|
| 5 | 5 | 6 | 5 | 7 | 6 | 5 |
Weekly direct flights for Mon 27.05 - Sun 02.06
| Airline | Mon 27.05 | Tue 28.05 | Wed 29.05 | Thu 30.05 | Fri 31.05 | Sat 01.06 | Sun 02.06 |
|---|---|---|---|---|---|---|---|
| 6 | 7 | 7 | 6 | 7 | 5 | 6 |
Check-in for a flight from Chicago to St. Louis
| Name | Carrier code | IATA Code | Passport needed during booking | |
|---|---|---|---|---|
| United Airlines | UAL | UA | Yes | |
| Southern Airways Express | FDY | 9X | Yes |
Online check-in is not available for these airlines.
Weather in St. Louis
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 3°C | -3°C |
| February | 6°C | -2°C |
| March | 13°C | 3°C |
| April | 18°C | 8°C |
| May | 24°C | 14°C |
| June | 29°C | 19°C |
| July | 31°C | 21°C |
| August | 30°C | 20°C |
| September | 27°C | 16°C |
| October | 20°C | 10°C |
| November | 12°C | 3°C |
| December | 7°C | 0°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Chicago
- Flights from Chicago to London
- Flights from Chicago to Manchester
- Flights from Chicago to Athens
- Flights from Chicago to Dublin
- Flights from Chicago to New York
- Flights from Chicago to Las Vegas
- Flights from Chicago to Vilnius
- Flights from Chicago to Los Angeles
- Flights from Chicago to Denver
- Flights from Chicago to Orlando
- Flights from Chicago to Minneapolis
- Flights from Chicago to Barcelona
- Flights from Chicago to Austin
- Flights from Chicago to Edinburgh
- Flights from Chicago to San Francisco
- Flights from Chicago to Paris
- Flights from Chicago to Nashville
- Flights from Chicago to Atlanta
- Flights from Chicago to Glasgow
- Flights from Chicago to Riga
Flights to St. Louis
- Flights from London to St. Louis
- Flights from Manchester to St. Louis
- Flights from New York to St. Louis
- Flights from Cebu to St. Louis
- Flights from Atlanta to St. Louis
- Flights from San Jose to St. Louis
- Flights from Los Angeles to St. Louis
- Flights from Orlando to St. Louis
- Flights from Edinburgh to St. Louis
- Flights from Houston to St. Louis
- Flights from San Francisco to St. Louis
- Flights from Seattle to St. Louis
- Flights from Phoenix to St. Louis
- Flights from Portland to St. Louis
- Flights from Denver to St. Louis
- Flights from Dallas to St. Louis
- Flights from Glasgow to St. Louis
- Flights from Charlotte to St. Louis
- Flights from Paris to St. Louis
- Flights from Washington, D.C. to St. Louis
Popular routes
- Flights from London to Málaga
- Flights from Udaipur to Dehradun
- Flights from Lamezia Terme to Istanbul
- Flights from Caticlan to Naga, Camarines Sur
- Flights from San Antonio to Las Vegas
- Flights from Madrid to Palermo
- Flights from Milwaukee to Las Vegas
- Flights from Athens to Turin
- Flights from Atlanta to Nashville
- Flights from Minneapolis to Sacramento
- Flights from Munich to Florence
- Flights from Vancouver to Toronto
Airports near Chicago
- O Hare International
- Chicago Midway International
- Gerald R. Ford International
- General Mitchell International
- Dane County Regional
- South Bend International
- Chicago Rockford International
- Fort Wayne International
- General Wayne A. Downing Peoria International
- Quad City International