Cheap flights from Seattle to Washington

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

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Live fares · SEA → DCA

Frequently asked questions

  • How long is the flight from Seattle to Washington?

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