Flights from Washington Dulles International (IAD) to Heathrow (LHR)

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We compare hundreds of flights from Washington Dulles International to Heathrow 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 Jul 15
 Return 05 Aug 15

Flying with Aer Lingus

Price subject to availability

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  • Price
  • Dep date
  15 more Flightnetwork flights available on this route
$1,337   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,446   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,450   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,525   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,558   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,632   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,654   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,668   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,674   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,675   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,693   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,700   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,710   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,714   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
$1,714   Dep 29 Jul 15 - Rtn 05 Aug 15
Washington to London
IAD to LHR Flightnetwork
Washington (IAD) to London (LHR)
 Depart 20 Jul 15
 Return 19 Aug 15

Flying with Aer Lingus

Price subject to availability

 
 
Washington (IAD) to London (LHR)
 Depart 20 Jul 15
 Return 19 Aug 15

Flying with Aer Lingus

Price subject to availability

 
 
Washington (IAD) to London (LHR)
 Depart 16 Sep 15
 Return 23 Sep 15

Flying with Iceland Air

Price subject to availability

   View more dates
 
  • Price
  • Dep date
  15 more momondo.com flights available on this route
$939   Dep 23 Sep 15 - Rtn 30 Sep 15
Washington to London
IAD to LHR momondo.com
$977   Dep 09 Sep 15 - Rtn 16 Sep 15
Washington to London
IAD to LHR momondo.com
$995   Dep 09 Sep 15 - Rtn 16 Sep 15
Washington to London
IAD to LHR momondo.com
$995   Dep 09 Sep 15 - Rtn 16 Sep 15
Washington to London
IAD to LHR momondo.com
$997   Dep 16 Sep 15 - Rtn 23 Sep 15
Washington to London
IAD to LHR momondo.com
$997   Dep 16 Sep 15 - Rtn 23 Sep 15
Washington to London
IAD to LHR momondo.com
$997   Dep 16 Sep 15 - Rtn 23 Sep 15
Washington to London
IAD to LHR momondo.com
$998   Dep 30 Sep 15 - Rtn 07 Oct 15
Washington to London
IAD to LHR momondo.com
$998   Dep 23 Sep 15 - Rtn 30 Sep 15
Washington to London
IAD to LHR momondo.com
$999   Dep 30 Sep 15 - Rtn 07 Oct 15
Washington to London
IAD to LHR momondo.com
$999   Dep 30 Sep 15 - Rtn 07 Oct 15
Washington to London
IAD to LHR momondo.com
$999   Dep 23 Sep 15 - Rtn 30 Sep 15
Washington to London
IAD to LHR momondo.com
$999   Dep 09 Sep 15 - Rtn 16 Sep 15
Washington to London
IAD to LHR momondo.com
$1,004   Dep 16 Sep 15 - Rtn 23 Sep 15
Washington to London
IAD to LHR momondo.com
$1,069   Dep 30 Sep 15 - Rtn 07 Oct 15
Washington to London
IAD to LHR momondo.com
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      Travel information for Washington Dulles International to Heathrow

      London photo   London
      Advertisers with deals forWashington Dulles International to Heathrow5
      Flights available forWashington Dulles International to Heathrow137
      Lowest ticket price forWashington Dulles International to Heathrow$936
      Average flight deal forWashington Dulles International to Heathrow$1527
      Flight duration forWashington Dulles International to Heathrow7 hrs 17 mins
      Distance from Washington Dulles International to Heathrow3668 miles

       How much do things cost in London and Washington?

      Washington London
      Local draught beer (0.5 liter)$5.00$6.29
      Meal at McDonald's or similar$7.00$7.86
      1 gallon of milk$5.09$6.67
      Cheap meal$15.00$18.87
      Pair of Nike shoes$75.00$101.78
      source

        Facts and figures about flying from Washington Dulles International to Heathrow

      • Passengers taking flights from Washington Dulles International to Heathrow will usually depart from gate C3
      • From Washington Dulles International to Heathrow, United Air Lines Inc. operates 78 flights a week
      • The most popular aircraft flying between Washington Dulles International and Heathrow is a Boeing 777-200
      • 1 is the typical destination terminal for flights from Washington Dulles International to Heathrow
      • The most common destination gate in Heathrow for flights from Washington Dulles International is 49
      • Diversions are not expected on flights between Washington Dulles International and Heathrow
      • Traveling between Washington Dulles International and Heathrow typically provides 2157 seats for passengers on a daily basis
      • The average delay between Washington Dulles International and Heathrow is 38 mins
      • On average, flights from Washington Dulles International to Heathrow are cancelled 4.4% of the time