Cheap flights from Chicago, IL to St. Louis, MO
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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 58 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 10.06 - Sun 16.06
| Airline | Mon 10.06 | Tue 11.06 | Wed 12.06 | Thu 13.06 | Fri 14.06 | Sat 15.06 | Sun 16.06 |
|---|---|---|---|---|---|---|---|
| 7 | 7 | 7 | 7 | 7 | 6 | 6 |
Weekly direct flights for Mon 17.06 - Sun 23.06
| Airline | Mon 17.06 | Tue 18.06 | Wed 19.06 | Thu 20.06 | Fri 21.06 | Sat 22.06 | Sun 23.06 |
|---|---|---|---|---|---|---|---|
| 7 | 7 | 7 | 7 | 7 | 6 | 6 |
Weekly direct flights for Mon 24.06 - Sun 30.06
| Airline | Mon 24.06 | Tue 25.06 | Wed 26.06 | Thu 27.06 | Fri 28.06 | Sat 29.06 | Sun 30.06 |
|---|---|---|---|---|---|---|---|
| 7 | 7 | 7 | 7 | 7 | 6 | 6 |
Weekly direct flights for Mon 01.07 - Sun 07.07
| Airline | Mon 01.07 | Tue 02.07 | Wed 03.07 | Thu 04.07 | Fri 05.07 | Sat 06.07 | Sun 07.07 |
|---|---|---|---|---|---|---|---|
| 7 | 7 | 6 | 6 | 7 | 6 | 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
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Airports near Chicago
- O Hare International
- Chicago Midway International
- Gerald R. Ford International
- General Mitchell International
- Chicago Rockford International
- Dane County Regional
- South Bend International
- Fort Wayne International
- General Wayne A. Downing Peoria International
- Quad City International