Cheap flights from Seattle to Saint Louis

Direct flight: 2,743 km, ~3h 14m from Seattle (SEA) to Saint Louis (STL).

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Live fares · SEA → STL

Frequently asked questions

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

    Direct flights from SEA to STL cover approximately 2,743 km (1,704 miles), with an estimated flight time of 3h 14m. Operating airlines: AS, WN.

Related guides for this route

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

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