Cheap flights from Saint Louis to Denver

Direct flight: 1,235 km, ~1h 27m from Saint Louis (STL) to Denver (DEN).

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Live fares · STL → DEN

Frequently asked questions

  • How long is the flight from Saint Louis to Denver?

    Direct flights from STL to DEN cover approximately 1,235 km (767 miles), with an estimated flight time of 1h 27m. Operating airlines: F9, UA, WN.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: STL → DEN Cheapest month to fly to Denver All flights from Saint Louis All flights to Denver Flights to USA Visa-free with USA passport F9 routes UA routes WN routes