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Tips and tricks to help you find cheap flights from Seattle-Tacoma to Washington DC

Favorite airline: e.g. Alaska Airlines, United Airlines
Alaska Airlines is the most popular airline for flights from Seattle-Tacoma to Washington DC.
Alaska Airlines
40 %
United Airlines
40 %
Delta
20 %
Flight details Seattle-Tacoma - Washington DC
  • Flight duration: min. 04:41 / max. 05:50
  • Distance: 3706 km
  • Flights per week: 30
  • Return flight duration: min. 05:50 / max. 06:09