Cheap flights from Chicago, IL to St. Louis, MO
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Tips to know when travelling to St. Louis
Cheapest nonstop round-trip | $135 |
---|---|
Nonstop flights in May | $135 – $404 |
Most popular airline | United Airlines |
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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 Sun 28.04 - Sat 04.05
Airline | Sun 28.04 | Mon 29.04 | Tue 30.04 | Wed 01.05 | Thu 02.05 | Fri 03.05 | Sat 04.05 |
---|---|---|---|---|---|---|---|
6 | 5 | 6 | 7 | 6 | 6 | 6 |
Weekly direct flights for Sun 05.05 - Sat 11.05
Airline | Sun 05.05 | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 |
---|---|---|---|---|---|---|---|
6 | 5 | 6 | 6 | 6 | 6 | 6 |
Weekly direct flights for Sun 12.05 - Sat 18.05
Airline | Sun 12.05 | Mon 13.05 | Tue 14.05 | Wed 15.05 | Thu 16.05 | Fri 17.05 | Sat 18.05 |
---|---|---|---|---|---|---|---|
6 | 6 | 5 | 6 | 6 | 6 | 6 |
Weekly direct flights for Sun 19.05 - Sat 25.05
Airline | Sun 19.05 | Mon 20.05 | Tue 21.05 | Wed 22.05 | Thu 23.05 | Fri 24.05 | Sat 25.05 |
---|---|---|---|---|---|---|---|
6 | 5 | 5 | 6 | 5 | 7 | 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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