Cheap Flights from CHI to STL
The Cheapest Round-trip Tickets from Chicago to Saint Louis
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 9 February 2026 | 24 February 2026 | Direct |  | RT from 147 |
The Cheapest Flights for this Month from Chicago to Saint Louis
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 25 January 2026 | 4 February 2026 | 2 Stops | | RT from 276 |
| 28 January 2026 | 4 February 2026 | 2 Stops | | RT from 264 |
| 5 February 2026 | 19 February 2026 | 1 Stop | | RT from 210 |
| 9 February 2026 | 24 February 2026 | 1 Stop | | RT from 147 |
| 11 February 2026 | 25 February 2026 | Direct |  | RT from 162 |
| 18 February 2026 | 26 February 2026 | 2 Stops | | RT from 214 |
| 19 February 2026 | 26 February 2026 | Direct |  | RT from 195 |
| 3 May 2026 | 11 May 2026 | Direct | | RT from 285 |
| 4 May 2026 | 12 May 2026 | Direct | | RT from 179 |
| 5 May 2026 | 13 May 2026 | Direct | | RT from 178 |
The Cheapest Flights from Chicago to Saint Louis for the Year Ahead
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 28 January 2026 | 4 February 2026 | 2 Stops | | RT from 264 |
| 9 February 2026 | 24 February 2026 | 1 Stop | | RT from 147 |
| 5 May 2026 | 13 May 2026 | Direct | | RT from 178 |