Flights from Washington (WAS) to Seattle (SEA)

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We compare hundreds of flights from Washington to Seattle from a range of airlines and travel agents to get you the best deals. Find cheap flights along this route.
Washington (IAD) to Seattle (SEA)
 Depart 15 Sep 15
 Return 21 Sep 15

Flying with Virgin America

Price subject to availability

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  • Dep date
  2 more CheapOair.com flights available on this route
$325   Dep 25 Aug 15 - Rtn 09 Sep 15
Washington to Seattle
IAD to SEA CheapOair.com
$349   Dep 28 May 15 - Rtn 03 Jun 15
Washington to Seattle
IAD to SEA CheapOair.com
Washington (IAD) to Seattle (SEA)
 Depart 15 May 15
 Return 22 May 15

Flying with United Airlines

Price subject to availability

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  • Price
  • Dep date
  6 more Flyfar flights available on this route
$648   Dep 15 May 15 - Rtn 22 May 15
Washington to Seattle
IAD to SEA Flyfar
$653   Dep 15 May 15 - Rtn 22 May 15
Washington to Seattle
IAD to SEA Flyfar
$700   Dep 15 May 15 - Rtn 22 May 15
Washington to Seattle
IAD to SEA Flyfar
$705   Dep 15 May 15 - Rtn 22 May 15
Washington to Seattle
IAD to SEA Flyfar
$779   Dep 15 May 15 - Rtn 22 May 15
Washington to Seattle
IAD to SEA Flyfar
$822   Dep 15 May 15 - Rtn 22 May 15
Washington to Seattle
IAD to SEA Flyfar
Washington (WAS) to Seattle (SEA)
 Depart 13 May 15
 Return 20 May 15

Price subject to availability

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Washington (DCA) to Seattle (SEA)
 Depart 09 Jun 15
 Return 11 Jun 15

Flying with US Airways

Price subject to availability

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      Travel information for Washington to Seattle

      cheap flights to seattle   Seattle
      Partners with offers for flights fromWashington to Seattle4
      Deals on offer forWashington to Seattle297
      Cheapest flight forWashington to Seattle$247
      Average flight price forWashington to Seattle$389
      Average flight time forWashington to Seattle5 hrs 34 mins
      Washington to Seattle2323 miles

       How much do things cost in Seattle and Washington?

      • Washington is 7% more expensive than Seattle
      Washington Seattle
      Bottle of local beer (0.5 liter)$1.77$1.90
      1 mile taxi journey$5.50$2.70
      1 bedroom apartment downtown$2096.88$1685.86
      Imported beer (0.33 liter)$7.00$5.50
      source

        Facts and figures about flying from Washington to Seattle

      • From Washington to Seattle, Alaska Airlines Inc. operates 56 flights a week
      • Flights from Washington to Seattle are rarely cancelled
      • Washington to Seattle flights are not usually subject to diversions
      • There is rarely a delay for flights from Washington to Seattle
      • The most popular aircraft flying between Washington and Seattle is a Boeing 737-800 (winglets)
      • Chicago-O'Hare International is the most commonly used connection for flights between Washington and Seattle
      • Flights from Washington to Seattle have 286 passenger seats available each day