Cheap Flights from CHI to STL
The Cheapest Round-trip Tickets from Chicago to Saint Louis
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 4 September 2025 | 19 September 2025 | Direct |  | RT from 236 |
The Cheapest Flights for this Month from Chicago to Saint Louis
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 4 September 2025 | 19 September 2025 | 1 Stop | | RT from 236 |
The Cheapest Flights from Chicago to Saint Louis for the Year Ahead
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 4 September 2025 | 19 September 2025 | 1 Stop | | RT from 236 |