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 09 Dec 16
 Return 16 Dec 16

Discount subject to availability

Washington (IAD) to London (LHR)
 Depart 06 Feb 17
 Return 14 Feb 17

Flying with Iceland Air

Price subject to availability

 
 
Washington (IAD) to London (LHR)
 Depart 09 Feb 17
 Return 06 Mar 17

Price subject to availability

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  • Price
  • Dep date
  15 more Smartfares.com flights available on this route
$463   Dep 24 Mar 17 - Rtn 28 Mar 17
Washington to London
IAD to LHR Smartfares.com
$468   Dep 17 Mar 17 - Rtn 26 Mar 17
Washington to London
IAD to LHR Smartfares.com
$469   Dep 01 Feb 17 - Rtn 07 Feb 17
Washington to London
IAD to LHR Smartfares.com
$469   Dep 10 Feb 17 - Rtn 15 Feb 17
Washington to London
IAD to LHR Smartfares.com
$469   Dep 10 Feb 17 - Rtn 24 Feb 17
Washington to London
IAD to LHR Smartfares.com
$479   Dep 16 Jan 17 - Rtn 25 Jan 17
Washington to London
IAD to LHR Smartfares.com
$479   Dep 16 Jan 17 - Rtn 24 Jan 17
Washington to London
IAD to LHR Smartfares.com
$479   Dep 18 Jan 17 - Rtn 24 Jan 17
Washington to London
IAD to LHR Smartfares.com
$479   Dep 08 Mar 17 - Rtn 14 Mar 17
Washington to London
IAD to LHR Smartfares.com
$479   Dep 22 Mar 17 - Rtn 25 Mar 17
Washington to London
IAD to LHR Smartfares.com
$482   Dep 04 Feb 17 - Rtn 18 Feb 17
Washington to London
IAD to LHR Smartfares.com
$482   Dep 06 Mar 17 - Rtn 25 Mar 17
Washington to London
IAD to LHR Smartfares.com
$482   Dep 08 Mar 17 - Rtn 20 Mar 17
Washington to London
IAD to LHR Smartfares.com
$483   Dep 08 Feb 17 - Rtn 14 Feb 17
Washington to London
IAD to LHR Smartfares.com
$485   Dep 12 Jan 17 - Rtn 15 Jan 17
Washington to London
IAD to LHR Smartfares.com
Washington (IAD) to London (LHR)
 Depart 16 Mar 17
 Return 23 Mar 17

Flying with Iceland Air

Price subject to availability

 
 
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      Travel information for Washington Dulles International to Heathrow

      London photo   London
      Advertisers with deals forWashington Dulles International to Heathrow4
      Flights available forWashington Dulles International to Heathrow1104
      Lowest ticket price forWashington Dulles International to Heathrow$463
      Average flight deal forWashington Dulles International to Heathrow$1230
      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
      One-way ticket (local transport)$3.00$3.18
      3 course meal for 2$75.00$63.65
      Local draught beer (0.5 liter)$6.00$5.09
      3 bedroom apartment downtown$3898.15$4404.93
      Cheap meal$15.00$19.09
      source

        Facts and figures about flying from Washington Dulles International to Heathrow

      • Diversions are not expected on flights between Washington Dulles International and Heathrow
      • On average, flights from Washington Dulles International to Heathrow are cancelled 4.4% of the time
      • 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
      • If you’re flying between Washington Dulles International and Heathrow United Air Lines Inc. is the most popular airline
      • The most popular aircraft flying between Washington Dulles International and Heathrow is a Boeing 777-200
      • Passengers taking flights from Washington Dulles International to Heathrow will usually depart from gate C3
      • The average delay between Washington Dulles International and Heathrow is 38 mins