
Popular airlines to St. Louis
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- Alaska Airlines
Alaska Airlines
- Air Canada
Air Canada
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Cheap round-trip flights to St. Louis
These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.





Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)
October is typically the cheapest month to fly
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Frequently asked questions
Destination airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport IATA code | STL |
Destination city name | St. Louis |
Return price | RM625 |
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