Cheap flights from Washington to Saint Louis

Direct flight: 1,155 km, ~1h 22m from Washington (DCA) to Saint Louis (STL).

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Live fares · DCA → STL

Frequently asked questions

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

    Direct flights from DCA to STL cover approximately 1,155 km (718 miles), with an estimated flight time of 1h 22m. Operating airlines: AA, WN.

Related guides for this route

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

Full route page: DCA → STL Cheapest month to fly to Saint Louis All flights from Washington All flights to Saint Louis Flights to USA Visa-free with USA passport AA routes WN routes