Flights from Washington (WAS) to London (LON)

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We compare hundreds of flights from Washington 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 13 Dec 16
 Return 20 Dec 16

Discount subject to availability

Washington (IAD) to London (LHR)
 Depart 20 Feb 17
 Return 23 Feb 17

Price subject to availability

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  15 more Smartfares.com flights available on this route
$471   Dep 22 Feb 17 - Rtn 07 Mar 17
Washington to London
IAD to LHR Smartfares.com
$473   Dep 24 Mar 17 - Rtn 27 Mar 17
Washington to London
IAD to LHR Smartfares.com
$482   Dep 18 Jan 17 - Rtn 24 Jan 17
Washington to London
IAD to LHR Smartfares.com
$482   Dep 19 Jan 17 - Rtn 24 Jan 17
Washington to London
IAD to LGW Smartfares.com
$482   Dep 20 Jan 17 - Rtn 25 Jan 17
Washington to London
IAD to LGW Smartfares.com
$482   Dep 04 Feb 17 - Rtn 18 Feb 17
Washington to London
IAD to LGW Smartfares.com
$482   Dep 09 Mar 17 - Rtn 22 Mar 17
Washington to London
IAD to LGW Smartfares.com
$482   Dep 16 Mar 17 - Rtn 20 Mar 17
Washington to London
IAD to LHR Smartfares.com
$484   Dep 03 Mar 17 - Rtn 12 Mar 17
Washington to London
IAD to LHR Smartfares.com
$488   Dep 14 Jan 17 - Rtn 22 Jan 17
Washington to London
IAD to LHR Smartfares.com
$488   Dep 10 Feb 17 - Rtn 14 Feb 17
Washington to London
IAD to LHR Smartfares.com
$488   Dep 07 Mar 17 - Rtn 15 Mar 17
Washington to London
IAD to LHR Smartfares.com
$493   Dep 30 Jan 17 - Rtn 02 Mar 17
Washington to London
IAD to LHR Smartfares.com
$521   Dep 20 Feb 17 - Rtn 10 Mar 17
Washington to London
IAD to LHR Smartfares.com
$521   Dep 25 Feb 17 - Rtn 06 Mar 17
Washington to London
IAD to LHR Smartfares.com
Washington (WAS) to London (LON)
 Depart 03 Feb 17
 Return 05 Feb 17

Price subject to availability

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  9 more OneTravel.com flights available on this route
$538   Dep 26 Jan 17 - Rtn 01 Feb 17
Washington to London
IAD to LON OneTravel.com
$538   Dep 05 Feb 17 - Rtn 17 Feb 17
Washington to London
IAD to LHR OneTravel.com
$550   Dep 15 Mar 17 - Rtn 29 Mar 17
Washington to London
IAD to LGW OneTravel.com
$647   Dep 07 May 17 - Rtn 20 May 17
Washington to London
WAS to LHR OneTravel.com
$687   Dep 01 Apr 17 - Rtn 15 Apr 17
Washington to London
DCA to LON OneTravel.com
$687   Dep 08 Apr 17 - Rtn 15 Apr 17
Washington to London
DCA to LHR OneTravel.com
$850   Dep 08 Apr 17 - Rtn 15 Apr 17
Washington to London
DCA to LGW OneTravel.com
$958   Dep 08 Apr 17 - Rtn 15 Apr 17
Washington to London
IAD to LCY OneTravel.com
$1,165   Dep 08 Apr 17 - Rtn 15 Apr 17
Washington to London
DCA to LCY OneTravel.com
Washington (WAS) to London (LHR)
 Depart 16 Mar 17
 Return 07 Apr 17

Flying with United Airlines

Price subject to availability

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  10 more CheapOair.com flights available on this route
$451   Dep 17 Mar 17 - Rtn 26 Mar 17
Washington to London
IAD to LON CheapOair.com
$451   Dep 03 Feb 17 - Rtn 05 Feb 17
Washington to London
WAS to LON CheapOair.com
$469   Dep 23 Mar 17 - Rtn 03 Apr 17
Washington to London
IAD to LHR CheapOair.com
$507   Dep 20 Feb 17 - Rtn 06 Mar 17
Washington to London
DCA to LON CheapOair.com
$567   Dep 10 Mar 17 - Rtn 18 Mar 17
Washington to London
DCA to LHR CheapOair.com
$612   Dep 07 May 17 - Rtn 12 May 17
Washington to London
IAD to LGW CheapOair.com
$760   Dep 28 Apr 17 - Rtn 08 May 17
Washington to London
IAD to LCY CheapOair.com
$799   Dep 02 Jan 17 - Rtn 12 Jan 17
Washington to London
WAS to LGW CheapOair.com
$894   Dep 14 Apr 17 - Rtn 16 Apr 17
Washington to London
DCA to LCY CheapOair.com
$3,670   Dep 20 Dec 16 - Rtn 28 Dec 16
Washington to London
IAD to LTN CheapOair.com
Washington (WAS) to London (LON)
 Depart 09 Jan 17
 Return 16 Jan 17

Price subject to availability

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  12 more CheapAir.com flights available on this route
$785   Dep 11 Jan 17 - Rtn 18 Jan 17
Washington to London
WAS to LON CheapAir.com
$894   Dep 06 Jan 17 - Rtn 13 Jan 17
Washington to London
WAS to LON CheapAir.com
$966   Dep 04 Jan 17 - Rtn 11 Jan 17
Washington to London
WAS to LON CheapAir.com
$1,025   Dep 07 Jan 17 - Rtn 14 Jan 17
Washington to London
WAS to LON CheapAir.com
$1,109   Dep 28 Dec 16 - Rtn 04 Jan 17
Washington to London
WAS to LON CheapAir.com
$1,134   Dep 23 Dec 16 - Rtn 30 Dec 16
Washington to London
WAS to LON CheapAir.com
$1,197   Dep 02 Jan 17 - Rtn 09 Jan 17
Washington to London
WAS to LON CheapAir.com
$1,209   Dep 30 Dec 16 - Rtn 06 Jan 17
Washington to London
WAS to LON CheapAir.com
$1,209   Dep 31 Dec 16 - Rtn 07 Jan 17
Washington to London
WAS to LON CheapAir.com
$1,211   Dep 21 Dec 16 - Rtn 28 Dec 16
Washington to London
WAS to LON CheapAir.com
$1,461   Dep 24 Dec 16 - Rtn 31 Dec 16
Washington to London
WAS to LON CheapAir.com
$1,602   Dep 26 Dec 16 - Rtn 02 Jan 17
Washington to London
WAS to LON CheapAir.com
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      Travel information for Washington to London

      London photo   London
      Partners with flight deals forWashington to London6
      Flights available forWashington to London1461
      Cheapest flight forWashington to London$449
      Average flight price forWashington to London$1364
      Flight time forWashington to London7 hrs 22 mins
      Washington to Londononly 3665 miles

       How much do things cost in London and Washington?

      • Washington is 2% more expensive than London
      Washington London
      3 course meal for 2$75.00$63.72
      Coke/Pepsi (0.33 liter)$1.91$1.46
      Pack of Marlboro cigarettes$9.00$11.47
      1 mile taxi journey$5.25$4.78
      source

        Facts and figures about flying from Washington to London

      • Flights from Washington to London typically have a delay of 38 mins
      • From Washington to London, United Air Lines Inc. operates 78 flights a week
      • There’s not much chance of diversions on flights between Washington and London
      • On average, flights from Washington to London are cancelled 4.4% of the time
      • Traveling between Washington and London typically provides 2157 seats for passengers on a daily basis
      • From Washington to London, the most frequently used aircraft is a Boeing 777-200