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 $138 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Washington DC airfares from $138/RT are provided by Cheapoair.com. Outbound flight is leaving on 09/18/2024, 09:46 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at Reagan National (DCA) at 12:09 pm. The flight time is 14 hours and 23 minutes. The Returning flight departes on 10/01/2024, 12:59 pm (other return dates are also available). Date posted: 06 Aug 2024

Price evolution for flights From Seattle To Washington DC

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

• $138 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	09/18/2024	09:46 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	10/01/2024	12:59 pm

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• $168 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	09/18/2024	08:21 pm
  Washington DC, DC (DCA)	Seattle, WA (SEA)	10/01/2024	09:31 am

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• $738 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	12/17/2024	09:37 am
  Washington DC, DC (DCA)	Seattle, WA (SEA)	12/25/2024	12:59 pm

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• $765 Multiple Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	12/17/2024	09:37 am
  Washington DC, DC (DCA)	Seattle, WA (SEA)	12/25/2024	08:00 am

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• $75 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	09/26/2024	09:46 pm

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• $75 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	10/23/2024	08:25 pm

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• $95 Frontier Airlines 

  From	To	Departure	Time
  Seattle, WA (SEA)	Washington DC, DC (DCA)	09/15/2024	09:46 pm

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