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 $169 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Washington DC airfares from $169/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/24/2021, 07:16 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at Reagan National (DCA) at 04:47 pm. The flight time is 21 hours and 31 minutes. The Returning flight departes on 04/05/2021, 07:00 am (other return dates are also available). Date posted: 10 Feb 2021

Price evolution for flights From Seattle To Washington DC

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

• $169 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	03/24/2021	07:16 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	04/05/2021	07:00 am

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• $213 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	03/08/2021	07:16 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	03/18/2021	06:35 am

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• $278 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	03/08/2021	07:16 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	03/18/2021	03:15 pm

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• $280 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	03/08/2021	09:20 am
  Washington DC, DC (IAD)	Seattle, WA (SEA)	03/18/2021	08:34 pm

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• $309 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	03/08/2021	09:20 am
  Washington DC, DC (IAD)	Seattle, WA (SEA)	03/18/2021	06:35 am

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• $114 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	03/11/2021	09:48 am

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• $187 Alaska Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	03/11/2021	09:20 am

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• $215 Alaska Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	03/14/2021	06:35 am

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• $231 Alaska Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	03/10/2021	09:20 am

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• $655 Alaska Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (IAD)	03/14/2021	09:20 am

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