Cheap flights from Washington DC to Seattle

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Check our current prices for flights from Washington DC to Seattle. 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 Washington DC to Seattle, you will need to run a search below.

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From $339 / RT details

Book your flight now with Flightnetwork and save!

Cheap Seattle airfares from $339/RT are provided by Flightnetwork. Outbound flight is leaving on 08/16/2017, 06:45 pm from Washington Dulles (IAD) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 10:07 am. The flight time is 15 hours and 22 minutes. The Returning flight departes on 08/29/2017, 07:00 pm (other return dates are also available). Date posted: 14 Apr 2017

Price evolution for flights From Washington DC To Seattle

Price overview for flights from Washington DC to Seattle

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

  • $339Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)08/16/201706:45 pm
    Seattle, WA (SEA)Washington DC, DC (IAD)08/29/201707:00 pm
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  • $342Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)04/26/201705:30 am
    Seattle, WA (SEA)Washington DC, DC (IAD)05/03/201706:35 pm
    flightnetwork.com check price
  • $344Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)04/26/201705:30 am
    Seattle, WA (SEA)Washington DC, DC (IAD)05/03/201701:35 pm
    flightnetwork.com check price
  • $352Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)08/16/201706:45 pm
    Seattle, WA (SEA)Washington DC, DC (IAD)08/29/201707:00 pm
    flyfar.ca check price
  • $355Multiple Airlines flight Multiple Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)04/26/201705:30 am
    Seattle, WA (SEA)Washington DC, DC (IAD)05/03/201706:35 pm
    flyfar.ca check price
  • $197Jetblue Airways flight Jetblue Airways 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)05/03/201706:38 am
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  • $217Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)05/03/201705:30 pm
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  • $217United Airlines flight United Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)04/27/201706:56 pm
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  • $218United Airlines flight United Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)06/14/201706:35 pm
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  • $221United Airlines flight United Airlines 
    FromToDepartureTime
    Washington DC, DC (IAD)Seattle, WA (SEA)05/24/201708:46 am
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Know what to do when flying to Seattle?

Seattle Travel Guide Named after the Native American Chief Sealth, Seattle has a magnificent setting for a city with Lake Washington behind, the snowy peak of Mount Rainier in the distance and the shore of Elliott Bay at its feet. As you fly or drive into the city, [...]
Seattle History Archaeological evidence suggests that the area of Seattle, WA has been inhabited for at least 4,000 years.  The first known residents belonged to the Duwamish tribe.  They were a group of Native Americans who were living on the site that is now [...]
Seattle Sightseeing Seattle is a wonderful tourist destination with picturesque sights. It is one of the largest cities of the United States of America. The wonderful location of the city between Lake Washington and Puget Sound gives it a wonderful setting and [...]
Seattle Nightlife Seattle, Washington, United States is the largest city in terms of population. Being a beautiful port city, Seattle, WA US is ideally situated in the western region between the lake Washington and the Puget Sound. A major educational, cultural [...]
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