Washington Dulles International (IAD) to London flights

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We compare hundreds of flights from Washington Dulles International to London from a range of airlines and travel agents to get you the best deals. Find cheap flights along this route.
Washington (IAD) to London (LHR)
 Depart 29 Aug 15
 Return 05 Sep 15

Flying with United Airlines

Price subject to availability

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  • Price
  • Dep date
  15 more Flightnetwork flights available on this route
$1,089   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,278   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,293   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,333   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,356   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,376   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,387   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,426   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,456   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,456   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,456   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,471   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,502   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LGW Flightnetwork
$1,506   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
$1,741   Dep 29 Aug 15 - Rtn 05 Sep 15
Washington to London
IAD to LHR Flightnetwork
Washington (IAD) to London (LHR)
 Depart 19 Aug 15
 Return 18 Sep 15

Flying with Aer Lingus

Price subject to availability

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  • Dep date
  1 more CheapOair.com flights available on this route
$1,531   Dep 19 Aug 15 - Rtn 19 Sep 15
Washington to London
IAD to STN CheapOair.com
Washington (IAD) to London (LHR)
 Depart 19 Aug 15
 Return 03 Sep 15

Flying with Aer Lingus

Price subject to availability

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  • Price
  • Dep date
  1 more OneTravel.com flights available on this route
$1,102   Dep 19 Aug 15 - Rtn 18 Sep 15
Washington to London
IAD to LHR OneTravel.com
Washington (IAD) to London (LON)
 Depart 12 Sep 15
 Return 14 Sep 15

Price subject to availability

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Washington (IAD) to London (LGW)
 Depart 07 Oct 15
 Return 14 Oct 15

Flying with Turkish Airlines

Price subject to availability

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  15 more momondo.com flights available on this route
$821   Dep 14 Oct 15 - Rtn 21 Oct 15
Washington to London
IAD to LGW momondo.com
$832   Dep 28 Oct 15 - Rtn 04 Nov 15
Washington to London
IAD to LHR momondo.com
$850   Dep 28 Oct 15 - Rtn 04 Nov 15
Washington to London
IAD to LHR momondo.com
$871   Dep 28 Oct 15 - Rtn 04 Nov 15
Washington to London
IAD to LHR momondo.com
$895   Dep 21 Oct 15 - Rtn 28 Oct 15
Washington to London
IAD to LHR momondo.com
$904   Dep 28 Oct 15 - Rtn 04 Nov 15
Washington to London
IAD to LHR momondo.com
$922   Dep 30 Sep 15 - Rtn 07 Oct 15
Washington to London
IAD to LGW momondo.com
$928   Dep 14 Oct 15 - Rtn 21 Oct 15
Washington to London
IAD to LHR momondo.com
$928   Dep 14 Oct 15 - Rtn 21 Oct 15
Washington to London
IAD to LHR momondo.com
$930   Dep 21 Oct 15 - Rtn 28 Oct 15
Washington to London
IAD to LHR momondo.com
$930   Dep 21 Oct 15 - Rtn 28 Oct 15
Washington to London
IAD to LHR momondo.com
$932   Dep 21 Oct 15 - Rtn 28 Oct 15
Washington to London
IAD to LHR momondo.com
$933   Dep 14 Oct 15 - Rtn 21 Oct 15
Washington to London
IAD to LHR momondo.com
$935   Dep 14 Oct 15 - Rtn 21 Oct 15
Washington to London
IAD to LHR momondo.com
$935   Dep 21 Oct 15 - Rtn 28 Oct 15
Washington to London
IAD to LHR momondo.com
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      Travel information for Washington Dulles International to London

      London photo   London
      Partners with flight deals forWashington Dulles International to London6
      Flights available forWashington Dulles International to London250
      Cheapest flight forWashington Dulles International to London$820
      Average flight deal forWashington Dulles International to London$1111
      Flight duration forWashington Dulles International to London7 hrs 22 mins
      Washington Dulles International to Londononly 3681 miles

       How much do things cost in London and Washington?

      Washington London
      Pack of Marlboro cigarettes$7.00$13.89
      Loaf of white bread$3.34$1.53
      Pair of jeans$39.83$92.64
      1 gallon of milk$4.69$6.42
      1 mile taxi journey$4.25$3.77
      source

        Facts and figures about flying from Washington Dulles International to London

      • From Washington Dulles International to London, the most frequently used aircraft is a Boeing 777-200
      • Flights from Washington Dulles International to London have 2157 passenger seats available each day
      • Flights from Washington Dulles International to London are cancelled 4.4 percent of the time
      • The most common departure gate for flights from Washington Dulles International to London is C3
      • The average delay between Washington Dulles International and London is 38 mins
      • Flights from Washington Dulles International to London are not usually diverted
      • Each week United Air Lines Inc. operates 78 flights from Washington Dulles International to London