Cheap flights from Saint Louis to Washington

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

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Live fares · STL → DCA

Frequently asked questions

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

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