Cheap flights from Seattle to Washington DC

Travel > North America > United States > Seattle to Washington DC flights

Check our current prices for flights from Seattle to Washington DC. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Seattle to Washington DC, you will need to run a search below.

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From $266 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Washington DC airfares from $266/RT are provided by Cheapoair.com. Outbound flight is leaving on 10/04/2022, 07:28 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at Reagan National (DCA) at 12:21 pm. The flight time is 16 hours and 53 minutes. The Returning flight departes on 10/16/2022, 10:30 pm (other return dates are also available). Date posted: 07 Sep 2022

Price evolution for flights From Seattle To Washington DC

Recent Deals on Flights from Seattle to Washington DC:Roundtrip / Oneway

• $266 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	10/04/2022	07:28 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	10/16/2022	10:30 pm

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• $318 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	10/25/2022	07:36 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	10/31/2022	07:00 am

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• $405 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	10/04/2022	10:00 am
  Washington DC, DC (IAD)	Seattle, WA (SEA)	10/16/2022	10:30 pm

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• $428 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	10/04/2022	07:28 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	10/16/2022	07:00 am

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• $447 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	10/04/2022	10:00 am
  Washington DC, DC (IAD)	Seattle, WA (SEA)	10/16/2022	06:47 pm

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• $160 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	11/12/2022	07:30 pm

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• $333 Alaska Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	11/12/2022	10:16 am

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• $368 Alaska Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	11/02/2022	10:16 am

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• $447 Alaska Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	11/12/2022	06:35 am

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• $547 Alaska Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	11/02/2022	06:00 am

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