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 25 Mar 17
 Return 27 Mar 17

Flying with United Airlines

Price subject to availability

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  • Dep date
  12 more CheapOair.com flights available on this route
$447   Dep 20 Jan 17 - Rtn 20 Feb 17
Washington to London
IAD to LON CheapOair.com
$447   Dep 09 Mar 17 - Rtn 18 Mar 17
Washington to London
IAD to LGW CheapOair.com
$469   Dep 09 Mar 17 - Rtn 19 Mar 17
Washington to London
WAS to LHR CheapOair.com
$491   Dep 14 Jan 17 - Rtn 23 Jan 17
Washington to London
DCA to LON CheapOair.com
$491   Dep 04 Feb 17 - Rtn 12 Feb 17
Washington to London
DCA to LHR CheapOair.com
$518   Dep 02 Feb 17 - Rtn 05 Feb 17
Washington to London
WAS to STN CheapOair.com
$547   Dep 07 Mar 17 - Rtn 14 Mar 17
Washington to London
WAS to LGW CheapOair.com
$588   Dep 25 Mar 17 - Rtn 01 Apr 17
Washington to London
WAS to LCY CheapOair.com
$728   Dep 12 Oct 16 - Rtn 25 Oct 16
Washington to London
IAD to LCY CheapOair.com
$731   Dep 26 Dec 16 - Rtn 04 Jan 17
Washington to London
DCA to LGW CheapOair.com
$858   Dep 26 Dec 16 - Rtn 08 Jan 17
Washington to London
DCA to LCY CheapOair.com
$1,002   Dep 06 Jan 17 - Rtn 14 Jan 17
Washington to London
IAD to STN CheapOair.com
Washington (IAD) to London (LHR)
 Depart 01 Oct 16
 Return 08 Oct 16

Discount subject to availability

Washington (IAD) to London (LON)
 Depart 04 Mar 17
 Return 12 Mar 17

Flying with Iceland Air

Price subject to availability

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  • Price
  • Dep date
  6 more OneTravel.com flights available on this route
$457   Dep 06 Mar 17 - Rtn 16 Mar 17
Washington to London
WAS to LON OneTravel.com
$479   Dep 09 Feb 17 - Rtn 12 Feb 17
Washington to London
IAD to LHR OneTravel.com
$479   Dep 11 Mar 17 - Rtn 18 Mar 17
Washington to London
WAS to LHR OneTravel.com
$564   Dep 17 Feb 17 - Rtn 24 Feb 17
Washington to London
DCA to LHR OneTravel.com
$760   Dep 20 Oct 16 - Rtn 27 Oct 16
Washington to London
DCA to LON OneTravel.com
$1,231   Dep 25 Dec 16 - Rtn 31 Dec 16
Washington to London
WAS to LCY OneTravel.com
Washington (WAS) to London (LON)
 Depart 31 Oct 16
 Return 07 Nov 16

Price subject to availability

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  • Dep date
  13 more CheapAir.com flights available on this route
$745   Dep 21 Oct 16 - Rtn 28 Oct 16
Washington to London
WAS to LON CheapAir.com
$750   Dep 12 Oct 16 - Rtn 19 Oct 16
Washington to London
WAS to LON CheapAir.com
$750   Dep 17 Oct 16 - Rtn 24 Oct 16
Washington to London
WAS to LON CheapAir.com
$750   Dep 19 Oct 16 - Rtn 26 Oct 16
Washington to London
WAS to LON CheapAir.com
$750   Dep 22 Oct 16 - Rtn 29 Oct 16
Washington to London
WAS to LON CheapAir.com
$755   Dep 10 Oct 16 - Rtn 17 Oct 16
Washington to London
WAS to LON CheapAir.com
$760   Dep 14 Oct 16 - Rtn 21 Oct 16
Washington to London
WAS to LON CheapAir.com
$772   Dep 08 Oct 16 - Rtn 15 Oct 16
Washington to London
WAS to LON CheapAir.com
$792   Dep 24 Oct 16 - Rtn 31 Oct 16
Washington to London
WAS to LON CheapAir.com
$910   Dep 26 Oct 16 - Rtn 02 Nov 16
Washington to London
WAS to LON CheapAir.com
$926   Dep 29 Oct 16 - Rtn 05 Nov 16
Washington to London
WAS to LON CheapAir.com
$955   Dep 28 Oct 16 - Rtn 04 Nov 16
Washington to London
WAS to LON CheapAir.com
$1,046   Dep 15 Oct 16 - Rtn 22 Oct 16
Washington to London
WAS to LON CheapAir.com
Washington (IAD) to London (LHR)
 Depart 06 Jan 17
 Return 08 Jan 17

Price subject to availability

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  • Price
  • Dep date
  15 more Smartfares.com flights available on this route
$447   Dep 16 Feb 17 - Rtn 22 Feb 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 05 Jan 17 - Rtn 12 Jan 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 08 Jan 17 - Rtn 23 Jan 17
Washington to London
IAD to LGW Smartfares.com
$448   Dep 08 Jan 17 - Rtn 27 Jan 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 08 Jan 17 - Rtn 15 Jan 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 14 Jan 17 - Rtn 21 Jan 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 19 Jan 17 - Rtn 25 Jan 17
Washington to London
IAD to LGW Smartfares.com
$448   Dep 20 Jan 17 - Rtn 27 Jan 17
Washington to London
IAD to LGW Smartfares.com
$448   Dep 23 Jan 17 - Rtn 30 Jan 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 29 Jan 17 - Rtn 05 Feb 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 10 Feb 17 - Rtn 17 Feb 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 13 Feb 17 - Rtn 20 Feb 17
Washington to London
IAD to LGW Smartfares.com
$448   Dep 16 Feb 17 - Rtn 23 Feb 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 19 Feb 17 - Rtn 26 Feb 17
Washington to London
IAD to LHR Smartfares.com
$448   Dep 22 Feb 17 - Rtn 01 Mar 17
Washington to London
IAD to LHR Smartfares.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 London3627
      Cheapest flight forWashington to London$390
      Average flight price forWashington to London$1402
      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
      Coke/Pepsi (0.33 liter)$1.91$1.48
      1 mile taxi journey$5.25$4.86
      Meal at McDonald's or similar$7.25$6.48
      One-way ticket (local transport)$3.00$3.24
      source

        Facts and figures about flying from Washington to London

      • 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
      • 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
      • Flights from Washington to London typically have a delay of 38 mins
      • On average, flights from Washington to London are cancelled 4.4% of the time