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Flights from Washington D.C. to London
Cheap flight deals from Washington D.C. to London
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstopIAD 17:507h 30mNonstopLHR 06:20Washington D.C. - London | Wed, Apr 30 | Virgin AtlanticLHR 12:358h 25mNonstopIAD 16:00London - Washington D.C. | Wed, May 7 | Virgin AtlanticAED 2,292 AED 3,24128% OFF28% OFFAED 3,241 AED 2,292
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IAD 22:407h 25mNonstopLHR 11:05Washington D.C. - London | Mon, May 5 | British AirwaysLHR 12:458hNonstopIAD 15:45London - Washington D.C. | Tue, May 13 | British AirwaysAED 2,301 AED 3,24128% OFF28% OFFAED 3,241 AED 2,301
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DCA 07:0018h 55m1 stopsLGW 06:55Washington D.C. - London | Wed, May 14 | American AirlinesLGW 10:0015h 7m1 stopsDCA 20:07London - Washington D.C. | Tue, May 20 | Norse Atlantic AirwaysAED 1,719 AED 3,24147% OFF47% OFFAED 3,241 AED 1,719
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DCA 10:0015h 20m1 stopsLGW 06:20Washington D.C. - London | Tue, Apr 29 | American AirlinesLGW 13:0523h 21m1 stopsDCA 07:26London - Washington D.C. | Tue, May 6 | Norse Atlantic AirwaysAED 1,76446% OFFAED 3,241 AED 1,764
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IAD 20:3010h 25m1 stopsLHR 11:55Washington D.C. - London | Wed, Apr 23 | IcelandairLHR 13:0511h 15m1 stopsIAD 19:20London - Washington D.C. | Sun, Apr 27 | IcelandairAED 1,83843% OFFAED 3,241 AED 1,838
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DCA 16:1012h 50m1 stopsLHR 10:00Washington D.C. - London | Fri, Apr 25 | United AirlinesLHR 09:3011h 20m1 stopsIAD 15:50London - Washington D.C. | Sun, Apr 27 | LufthansaAED 1,83843% OFFAED 3,241 AED 1,838
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IAD 20:3013h 10m1 stopsLGW 14:40Washington D.C. - London | Thu, Apr 24 | IcelandairLHR 13:0511h 15m1 stopsIAD 19:20London - Washington D.C. | Sun, Apr 27 | IcelandairAED 1,84443% OFFAED 3,241 AED 1,844
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IAD 20:3010h 25m1 stopsLHR 11:55Washington D.C. - London | Fri, Apr 25 | IcelandairLGW 15:4032h 40m1 stopsIAD 19:20London - Washington D.C. | Sun, Apr 27 | IcelandairAED 1,84843% OFFAED 3,241 AED 1,848
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IAD 20:3010h 25m1 stopsLHR 11:55Washington D.C. - London | Sun, Apr 27 | IcelandairLGW 13:0011h 20m1 stopsIAD 19:20London - Washington D.C. | Thu, May 1 | IcelandairAED 1,87742% OFFAED 3,241 AED 1,877
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DCA 11:4513h 35m1 stopsLGW 06:20Washington D.C. - London | Wed, Apr 30 | American AirlinesLGW 13:0523h 8m1 stopsDCA 07:13London - Washington D.C. | Sun, May 4 | Norse Atlantic AirwaysAED 1,89042% OFFAED 3,241 AED 1,890
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DCA 16:1012h 50m1 stopsLHR 10:00Washington D.C. - London | Fri, Apr 25 | Air CanadaLHR 09:3011h 20m1 stopsIAD 15:50London - Washington D.C. | Sun, Apr 27 | LufthansaAED 1,89242% OFFAED 3,241 AED 1,892
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IAD 20:3010h 25m1 stopsLHR 11:55Washington D.C. - London | Tue, Apr 15 | IcelandairLGW 15:4032h 40m1 stopsIAD 19:20London - Washington D.C. | Tue, Apr 22 | IcelandairAED 1,89941% OFFAED 3,241 AED 1,899
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WAS 13:0017h 25m1 stopsLON Invalid DateWashington D.C. - London | Wed, Apr 16 | Normal AirlineLON 15:006hNonstopWAS 16:00London - Washington D.C. | Fri, Apr 18 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstopIAD 17:507h 30mNonstopLHR 06:20Washington D.C. - London | Sun, May 4 | Virgin AtlanticAED 1,313 AED 1,85128% OFF28% OFFAED 1,851 AED 1,313
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IAD 17:507h 30mNonstopLHR 06:20Washington D.C. - London | Sun, May 4 | Air FranceAED 1,315 AED 1,85128% OFF28% OFFAED 1,851 AED 1,315
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DCA 06:1519h 5m1 stopsLGW 06:20Washington D.C. - London | Wed, Apr 30 | Jetblue AirwaysAED 684 AED 1,85163% OFF63% OFFAED 1,851 AED 684
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DCA 12:3012h 50m1 stopsLGW 06:20Washington D.C. - London | Wed, Apr 30 | American AirlinesAED 69063% OFFAED 1,851 AED 690
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IAD 20:3018h 50m1 stopsLHR 20:20Washington D.C. - London | Thu, Apr 24 | IcelandairAED 70162% OFFAED 1,851 AED 701
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IAD 20:3013h 10m1 stopsLGW 14:40Washington D.C. - London | Tue, Apr 29 | IcelandairAED 71062% OFFAED 1,851 AED 710
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IAD 20:3010h 25m1 stopsLHR 11:55Washington D.C. - London | Wed, May 14 | IcelandairAED 73460% OFFAED 1,851 AED 734
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DCA 19:3029h 50m1 stopsLGW 06:20Washington D.C. - London | Tue, May 13 | Delta Air LinesAED 73560% OFFAED 1,851 AED 735
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IAD 20:3013h 10m1 stopsLGW 14:40Washington D.C. - London | Wed, Apr 23 | IcelandairAED 75159% OFFAED 1,851 AED 751
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IAD 20:3010h 25m1 stopsLHR 11:55Washington D.C. - London | Fri, Apr 25 | IcelandairAED 75359% OFFAED 1,851 AED 753
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IAD 20:3018h 50m1 stopsLHR 20:20Washington D.C. - London | Sun, Apr 27 | IcelandairAED 75659% OFFAED 1,851 AED 756
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IAD 20:3018h 50m1 stopsLHR 20:20Washington D.C. - London | Sat, Apr 26 | IcelandairAED 1,26532% OFFAED 1,851 AED 1,265
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WAS 13:0017h 25m1 stopsLON Invalid DateWashington D.C. - London | Wed, Apr 16 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Washington D.C. (WAS) to London (LON) the cheapest?
Airlines adjust prices for flights from Washington D.C. to London based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Washington D.C. (WAS) to London (LON) cost?
According to Trip.com's data, the lowest price is around AED 3,268. -
How long does it take to fly from Washington D.C. (WAS) to London (LON)?
It takes about 7 hours 23 minutes to fly from Washington D.C. (WAS) to London (LON). -
What are the most popular airlines that fly from Washington D.C. (WAS) to London (LON)?
Airlines with flights from Washington D.C. (WAS) to London (LON): American Airlines, Air Canada, Copa Airlines, Swiss Airlines, Aer Lingus, Delta Air Lines, British Airways, Finnair, United Airlines, Lufthansa, Virgin Atlantic, Austrian Airlines and Air France. -
How many airports are there in London (LON)?
There are 6 airport(s) near London (LON): London City Airport, London Gatwick Airport, Heathrow Airport, London Luton Airport, London Southend Airport and London Stansted Airport.
How to find a cheap flight from Washington D.C. to London
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to London. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Washington D.C. to London ticket.
Tap "Date" on flight search bar to scan through the calender for Washington D.C. to London airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sun, May 4 at AED 1313 for one-way flights.
Compare cheap Washington D.C. to London flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Washington D.C. to London. The cheapest airline operating is Virgin Atlantic.
Set up a Price Alert
By setting up a Price Alert for your Washington D.C. to London route, you can easily track the price of your airline tickets from without manually checking every day.
Don't miss cheap Washington D.C. to London flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Washington D.C. to London to get exclusive deals for you.
Flight Info | Washington D.C. to London
Cheapest one-way flight price | AED 684 |
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Cheapest return ticket price | AED 2,127 |
Off-season for travel | February |
Peak season for travel | June |
Flight distance | 5,896.82 km |
Average flight time | 7 hours 23 minutes |
Popular airline | American Airlines |
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