Flights from Seattle (SEA) to Washington (DCA)

Route intelligence for SEA → DCA: direct flights, stopover options, and timetable coverage in one place.

Show route on mapAll flights from SEAAll flights to DCA

Direct flights

5 direct option(s) across 5 airline(s) · 3,738 km route distance.

  • Alaska Airlines · 308 min · 3738 km
  • Air Tahiti Nui · 308 min · 3738 km
  • Japan Airlines · 308 min · 3738 km
  • Korean Air · 308 min · 3738 km
  • Delta Air Lines · 317 min · 3738 km

Explore these airlines on this city pair

Open each airline route-map page to compare broader network depth before committing to a nonstop or one-stop strategy.

Alaska Airlines route map →Air Tahiti Nui route map →Japan Airlines route map →Korean Air route map →Delta Air Lines route map →

Stopover options

  • No stopover itineraries available.

Timetable coverage

Published flight numbers: AS2, AS4, DL786, JL6362, KE6268, TN2562, TN2563

Published schedule snapshot may be stale

Flight number: AS 2

Operating days: 1, 2, 3, 4, 5, 6, 7

  • SEA 13:51 → DCA 21:59

Plan this city pair

Compare nearby alternatives and airline networks to decide whether a direct trip, one-stop connection, or reverse search gives you better options.

Explore all departures from SEA →Explore all arrivals to DCA →Compare airline network coverage →Browse airports by country →

Route planning checklist

  • Compare direct duration with one-stop total duration before committing to a fare.
  • Check inbound alternatives on flights to DCA when return timing is important.
  • Use Guides for alliance and hub strategy playbooks.
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