Cheap flights from Washington to Seattle

Direct flight: 3,737 km, ~4h 24m from Washington (DCA) to Seattle (SEA).

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Live fares · DCA → SEA

Frequently asked questions

  • How long is the flight from Washington to Seattle?

    Direct flights from DCA to SEA cover approximately 3,737 km (2,322 miles), with an estimated flight time of 4h 24m. Operating airlines: AS, DL.

Related guides for this route

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

Full route page: DCA → SEA Cheapest month to fly to Seattle All flights from Washington All flights to Seattle Flights to USA Visa-free with USA passport AS routes DL routes