Flights from Washington Dulles International (IAD) to Seattle (SEA)

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We compare hundreds of flights from Washington Dulles International 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 01 Apr 15
 Return 21 Apr 15

Flying with United Airlines

Price subject to availability

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  • Price
  • Dep date
  4 more CheapOair.com flights available on this route
$281   Dep 08 Apr 15 - Rtn 14 Apr 15
Washington to Seattle
IAD to SEA CheapOair.com
$299   Dep 16 Sep 15 - Rtn 21 Sep 15
Washington to Seattle
IAD to SEA CheapOair.com
$493   Dep 14 Jul 15 - Rtn 15 Jul 15
Washington to Seattle
IAD to SEA CheapOair.com
$493   Dep 27 Jul 15 - Rtn 12 Aug 15
Washington to Seattle
IAD to SEA CheapOair.com
Washington (IAD) to Seattle (SEA)
 Depart 25 Apr 15
 Return 28 Apr 15

Flying with MN Airlines

Price subject to availability

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Washington (IAD) to Seattle (SEA)
 Depart 20 Apr 15
 Return 27 Apr 15

Price subject to availability

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  • Price
  • Dep date
  6 more Flyfar flights available on this route
$406   Dep 20 Apr 15 - Rtn 27 Apr 15
Washington to Seattle
IAD to SEA Flyfar
$418   Dep 20 Apr 15 - Rtn 27 Apr 15
Washington to Seattle
IAD to SEA Flyfar
$449   Dep 20 Apr 15 - Rtn 27 Apr 15
Washington to Seattle
IAD to SEA Flyfar
$449   Dep 20 Apr 15 - Rtn 27 Apr 15
Washington to Seattle
IAD to SEA Flyfar
$847   Dep 20 Apr 15 - Rtn 27 Apr 15
Washington to Seattle
IAD to SEA Flyfar
$933   Dep 20 Apr 15 - Rtn 27 Apr 15
Washington to Seattle
IAD to SEA Flyfar
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      Travel information for Washington Dulles International to Seattle

      cheap flights to seattle   Seattle
      Partners with flight deals forWashington Dulles International to Seattle3
      Flights available forWashington Dulles International to Seattle103
      Cheapest flight forWashington Dulles International to Seattle$251
      Average flight deal forWashington Dulles International to Seattle$357
      Flight time forWashington Dulles International to Seattle5 hrs 29 mins
      Distance from Washington Dulles International to Seattle2302 miles

       How much do things cost in Seattle and Washington?

      Washington Seattle
      Cappuccino$4.25$4.08
      One-way ticket (local transport)$2.64$2.50
      Large bottle of water$2.38$2.08
      1 mile taxi journey$5.50$2.85
      Imported beer (0.33 liter bottle)$2.83$2.10
      source

        Facts and figures about flying from Washington Dulles International to Seattle

      • When flying from Washington Dulles International to Seattle, Midway is the most common place passengers connect in
      • The average delay time for flights between Washington Dulles International and Seattle is 57 mins
      • The most popular aircraft flying between Washington Dulles International and Seattle is an Airbus A320-100/200
      • Every week United Air Lines Inc. has 75 flights from Washington Dulles International to Seattle
      • For flights from Washington Dulles International to Seattle C23 is the most common departure gate
      • The smallest aircraft for flights between Washington Dulles International and Seattle is an Airbus A319
      • Diversions are not expected on flights between Washington Dulles International and Seattle
      • The largest plane flying between Washington Dulles International and Seattle is the Boeing 757 Mixed
      • For flights between Washington Dulles International and Seattle, the typical cancellation rate is 3.8 percent