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 12 Jan 17
 Return 17 Jan 17

Flying with United Airlines

Price subject to availability

 
 
Washington (IAD) to Seattle (SEA)
 Depart 12 Dec 16
 Return 19 Dec 16

Discount subject to availability

Washington (IAD) to Seattle (SEA)
 Depart 14 Feb 17
 Return 21 Feb 17

Price subject to availability

   View more dates
 
  • Price
  • Dep date
  13 more Smartfares.com flights available on this route
$381   Dep 08 Mar 17 - Rtn 12 Mar 17
Washington to Seattle
IAD to SEA Smartfares.com
$416   Dep 09 Mar 17 - Rtn 12 Mar 17
Washington to Seattle
IAD to SEA Smartfares.com
$417   Dep 16 Feb 17 - Rtn 19 Feb 17
Washington to Seattle
IAD to SEA Smartfares.com
$447   Dep 19 Dec 16 - Rtn 07 Jan 17
Washington to Seattle
IAD to SEA Smartfares.com
$472   Dep 05 Jan 17 - Rtn 07 Jan 17
Washington to Seattle
IAD to SEA Smartfares.com
$488   Dep 09 Mar 17 - Rtn 13 Mar 17
Washington to Seattle
IAD to SEA Smartfares.com
$501   Dep 12 Jan 17 - Rtn 16 Jan 17
Washington to Seattle
IAD to SEA Smartfares.com
$501   Dep 28 May 17 - Rtn 03 Jun 17
Washington to Seattle
IAD to SEA Smartfares.com
$543   Dep 13 Mar 17 - Rtn 18 Mar 17
Washington to Seattle
IAD to SEA Smartfares.com
$545   Dep 13 Jan 17 - Rtn 16 Jan 17
Washington to Seattle
IAD to SEA Smartfares.com
$609   Dep 20 Dec 16 - Rtn 07 Jan 17
Washington to Seattle
IAD to SEA Smartfares.com
$628   Dep 18 Dec 16 - Rtn 07 Jan 17
Washington to Seattle
IAD to SEA Smartfares.com
$936   Dep 21 Feb 17 - Rtn 02 Apr 17
Washington to Seattle
IAD to SEA Smartfares.com
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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 Seattle42
      Cheapest flight forWashington Dulles International to Seattle$322
      Average flight deal forWashington Dulles International to Seattle$633
      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
      Local draught beer (0.5 liter)$6.00$5.00
      3 course meal for 2$75.00$60.00
      3 bedroom apartment in the suburbs$2751.73$2247.44
      Bottle of local beer (0.5 liter)$1.75$1.36
      Imported beer (0.33 liter bottle)$2.00$1.60
      source

        Facts and figures about flying from Washington Dulles International to Seattle

      • The average delay time for flights between Washington Dulles International and Seattle is 57 mins
      • Flights between Washington Dulles International and Seattle typically provide 450 seats for passengers on a daily basis
      • For flights between Washington Dulles International and Seattle, the typical cancellation rate is 3.8 percent
      • 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
      • When flying from Washington Dulles International to Seattle, Midway is the most common place passengers connect in
      • Diversions are not expected on flights between Washington Dulles International and Seattle
      • The smallest aircraft for flights between Washington Dulles International and Seattle is an Airbus A319
      • The most popular aircraft flying between Washington Dulles International and Seattle is an Airbus A320-100/200