| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| St. Louis Chicago | Outbound 06/28/26 direct UA1744 01h 16min | Return - |  United Airlines |  | ? | $184 | |
| Best option St. Louis Chicago | Outbound 04/03/26 direct AA1926 01h 20min | Return 04/16/26 direct AA6399 01h 23min |  American Airlines | | ? | $369 | |
| St. Louis Chicago | Outbound 04/03/26 direct UA4395 01h 29min | Return 04/16/26 direct UA4576 01h 26min | United Airlines | | ? | $369 | |
| St. Louis Chicago | Outbound 04/03/26 direct UA4601 01h 29min | Return 04/16/26 direct UA4576 01h 26min | United Airlines |  | ? | $386 | |
| St. Louis Chicago | Outbound 04/03/26 direct UA4423 01h 29min | Return 04/16/26 direct UA4576 01h 26min | United Airlines |  | ? | $401 | |
| St. Louis Chicago | Outbound 04/03/26 direct AA4532 01h 22min | Return 04/16/26 direct AA1926 01h 20min | American Airlines |  | ? | $457 | |
| St. Louis Chicago | Outbound 04/03/26 1 Stopover (SEA) AS0473, AS0410 10h 53min | Return 04/16/26 1 Stopover (SEA) AS0329, AS0615 13h 55min |  Alaska Airlines |  | ? | $654 | |
| St. Louis Chicago | Outbound 04/03/26 direct AA4532 01h 22min | Return 04/16/26 direct AA3555 01h 28min | American Airlines |  | ? | $977 | |
| St. Louis Chicago | Outbound 04/03/26 2 Stopovers (CUN, PUJ) Y42015, DM7003, DM5420 27h 57min | Return 04/16/26 4 Stopovers (ZRH, TIA, VIE, EWR) LX0007, LX1440, OS0754, OS0037, OS7749 53h 28min |   Volaris, AraJet |  | ? | $1,809 |
Tips and tricks to help you find cheap flights from St. Louis to Chicago
Favorite airline: Southern Airways Express
80 % of flights booked on the route from St. Louis to Chicago are booked with Southern Airways Express, United Airlines and Spirit Airlines.
Southern Airways Express
47 %
United Airlines
20 %
Spirit Airlines
13 %