Cheap flights from Saint Louis to Seattle

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

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Live fares · STL → SEA

Frequently asked questions

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

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