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Cheap flights from Washington, D.C. to London from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap Washington, D.C. to London (WAS to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to London

Best Price Found

$157

Fastest flight time

7h 05m

Direct flights

Every day

Airports in London

4 airports
The best one-way flight to London from Washington, D.C. in the past 72 hours is $157. The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $374.
The fastest flight from Washington, D.C. to London takes 7h 05m
Direct flights go from Washington, D.C. to London every day.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

When you’re planning your trip from Washington, D.C. to London, the most popular airport-to-airport route is Washington, D.C. Dulles Intl Airport to London Heathrow Airport. If you are looking for alternate airports to fly out of when traveling to London, you can try Baltimore/Washington Airport or Washington, D.C. Reagan-National Airport which are located in Baltimore and Washington, D.C. respectively. If you are looking for alternate airports to fly into when traveling from Washington, D.C., you can try flying into London Gatwick Airport (in London), London City Airport (in London), or London Stansted Airport (in 15). The least expensive flight option from Washington, D.C. to London will typically be BWI — STN during the month of March with an average price of $391 RT.

Washington, D.C. Dulles Intl Airport (IAD) to London Heathrow Airport (LHR)$488
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Baltimore/Washington Airport (BWI) to London Heathrow Airport (LHR)$493
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Washington, D.C. Reagan-National Airport (DCA) to London Heathrow Airport (LHR)$560
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Washington, D.C. Dulles Intl Airport (IAD) to London Gatwick Airport (LGW)$460
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Washington, D.C. Dulles Intl Airport (IAD) to London City Airport (LCY)$603
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Baltimore/Washington Airport (BWI) to London Gatwick Airport (LGW)$427
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Easily compare round-trip flights from Washington, D.C. to London

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to London by changing tabs
PLAY
Sep 10
BWI6:50 pmBaltimore/Washington
10h 50m
1 stop
STN10:40 amLondon Stansted
Sep 26
STN11:40 amLondon Stansted
11h 00m
1 stop
BWI5:40 pmBaltimore/Washington
Multiple Airlines
Apr 16
BWI5:56 pmBaltimore/Washington
35h 04m
1 stop
LGW10:00 amLondon Gatwick
May 14
LGW2:00 pmLondon Gatwick
15h 16m
1 stop
BWI12:16 amBaltimore/Washington
Aer Lingus
Apr 22
IAD5:10 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
LHR10:20 amLondon Heathrow
May 8
LHR12:00 pmLondon Heathrow
12h 10m
1 stop
IAD7:10 pmWashington, D.C. Dulles Intl
Virgin Atlantic
Apr 14
BWI5:20 pmBaltimore/Washington
11h 40m
1 stop
LGW10:00 amLondon Gatwick
Apr 23
LGW12:00 pmLondon Gatwick
15h 47m
1 stop
BWI10:47 pmBaltimore/Washington
Delta
Apr 16
DCA12:00 pmWashington, D.C. Reagan-National
17h 00m
1 stop
LGW10:00 amLondon Gatwick
Apr 25
LGW12:00 pmLondon Gatwick
15h 46m
2 stops
DCA10:46 pmWashington, D.C. Reagan-National
KLM
Apr 14
IAD5:05 pmWashington, D.C. Dulles Intl
10h 00m
1 stop
LHR8:05 amLondon Heathrow
Apr 23
LHR8:40 amLondon Heathrow
12h 20m
1 stop
IAD4:00 pmWashington, D.C. Dulles Intl

Find the cheapest one-way flights from Washington, D.C. to London

If you're looking for one-way flights from Washington, D.C. to London, view some of our deals below provided by British Airways, Finnair and Iberia
Multiple Airlines
Apr 16
BWI9:17 pmBaltimore/Washington
31h 43m
1 stop
LGW10:00 amLondon Gatwick
PLAY
Aug 5
BWI6:50 pmBaltimore/Washington
10h 50m
1 stop
STN10:40 amLondon Stansted
Icelandair
Aug 1
IAD8:30 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
LHR11:55 amLondon Heathrow

Search last-minute flights to London from Washington, D.C.

Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. to London
Scandinavian Airlines
Apr 2
IAD5:15 pmWashington, D.C. Dulles Intl
23h 25m
1 stop
LHR9:40 pmLondon Heathrow
Apr 8
LHR6:40 amLondon Heathrow
13h 45m
1 stop
IAD3:25 pmWashington, D.C. Dulles Intl
Multiple Airlines
Apr 3
BWI3:19 pmBaltimore/Washington
34h 41m
1 stop
LGW7:00 amLondon Gatwick
Apr 8
LGW2:00 pmLondon Gatwick
24h 21m
1 stop
BWI9:21 amBaltimore/Washington
Aer Lingus
Apr 7
IAD8:40 pmWashington, D.C. Dulles Intl
11h 45m
1 stop
LHR1:25 pmLondon Heathrow
Apr 11
LHR1:25 pmLondon Heathrow
10h 45m
1 stop
IAD7:10 pmWashington, D.C. Dulles Intl
KLM
Apr 10
DCA5:06 pmWashington, D.C. Reagan-National
11h 54m
1 stop
LGW10:00 amLondon Gatwick
Apr 20
LGW12:00 pmLondon Gatwick
14h 08m
1 stop
DCA9:08 pmWashington, D.C. Reagan-National
PLAY
Apr 7
IAD6:50 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40 amLondon Stansted
Apr 14
STN11:40 amLondon Stansted
11h 00m
1 stop
IAD5:40 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Apr 7
IAD10:20 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
LHR5:45 pmLondon Heathrow
Apr 11
LHR8:00 amLondon Heathrow
12h 20m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl

Best airlines flying from Washington, D.C. to London

Compare and see reviews for airlines that fly from Washington, D.C. to London with momondo
Airline
Rating
Free Cancellation
Price
Norse Atlantic UKPriceFrom $290Free CancellationRating
6.9
27 reviews
Search Norse Atlantic UK flights
PLAYPriceFrom $351Free CancellationRating
7.2
64 reviews
Search PLAY flights
LufthansaPriceFrom $387Free CancellationRating
7.0
7,892 reviews
Search Lufthansa flights
Air CanadaPriceFrom $392Free CancellationRating
7.0
6,743 reviews
Search Air Canada flights
DeltaPriceFrom $408Free CancellationRating
8.0
11,402 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $426Free CancellationRating
7.4
1,426 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $435Free CancellationRating
7.1
2,204 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom $443Free CancellationRating
7.8
1,684 reviews
Search KLM flights
IcelandairPriceFrom $462Free CancellationRating
7.1
1,407 reviews
Search Icelandair flights
Aer LingusPriceFrom $480Free CancellationRating
7.2
1,383 reviews
Search Aer Lingus flights
  • Singapore Airlines Flights From Washington, D.C. to London

    The lowest priced Singapore Airlines flight from Washington, D.C. to London from the last 72 hours was $583. Generally, Singapore Airlines has 7 flights on this route every week with an average price of $706. Singapore Airlines is rated 8.2/10 by our users.

  • Delta Flights From Washington, D.C. to London

    Delta (8.0/10 from 11,402 reviews) operates around 7 flights from Washington, D.C. to London in any given week. The average Delta airfare for this route is around $762, with deals from around $408 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to London flight searches in the last 72 hours.


British Airways flights from Washington, D.C. to London

Our best British Airways deals on Washington, D.C. to London flight tickets
British Airways
Apr 22
BWI9:15 pmBaltimore/Washington
7h 15m
LHR9:30 amLondon Heathrow
May 6
LHR4:30 pmLondon Heathrow
7h 50m
BWI7:20 pmBaltimore/Washington
British Airways
Sep 9
BWI9:25 pmBaltimore/Washington
7h 05m
LHR9:30 amLondon Heathrow
Sep 16
LHR4:30 pmLondon Heathrow
8h 05m
BWI7:35 pmBaltimore/Washington
British Airways
Apr 15
BWI9:15 pmBaltimore/Washington
7h 15m
LHR9:30 amLondon Heathrow
Apr 23
LHR4:30 pmLondon Heathrow
7h 50m
BWI7:20 pmBaltimore/Washington

Delta flights from Washington, D.C. to London

Our best Delta deals on Washington, D.C. to London flight tickets
Delta
Apr 16
DCA12:00 pmWashington, D.C. Reagan-National
17h 00m
1 stop
LGW10:00 amLondon Gatwick
Apr 25
LGW12:00 pmLondon Gatwick
15h 46m
2 stops
DCA10:46 pmWashington, D.C. Reagan-National
Delta
Apr 16
IAD10:15 pmWashington, D.C. Dulles Intl
7h 15m
LHR10:30 amLondon Heathrow
Apr 24
LHR9:00 amLondon Heathrow
15h 10m
1 stop
IAD7:10 pmWashington, D.C. Dulles Intl
Delta
Apr 14
IAD10:15 pmWashington, D.C. Dulles Intl
7h 15m
LHR10:30 amLondon Heathrow
Apr 23
LHR8:40 amLondon Heathrow
12h 20m
1 stop
IAD4:00 pmWashington, D.C. Dulles Intl

  • How far is Washington, D.C. to London by plane?

    Washington, D.C. and London are 3662.3 mi apart from one another. A reasonable flight in good conditions will take 7h 05m.

  • When did momondo last update prices for flights from Washington, D.C. to London?

    Prices for flights from Washington, D.C. to London were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to London?

  • How old do you have to be to fly from Washington, D.C. to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Alternative routes for Washington, D.C. to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Washington, D.C. to Manchester Flights
Fastest flight time9h 25m
Cheapest price$484
Washington, D.C. to Birmingham Flights
Fastest flight time10h 10m
Cheapest price$647
Washington, D.C. to Newcastle upon Tyne Flights
Fastest flight time10h 25m
Cheapest price$669
Washington, D.C. to Leeds Flights
Fastest flight time10h 40m
Cheapest price$588
Washington, D.C. to Liverpool Flights
Fastest flight time10h 55m
Cheapest price$862
Washington, D.C. to Bristol Flights
Fastest flight time10h 00m
Cheapest price$709
Washington, D.C. to Southampton Flights
Fastest flight time13h 30m
Cheapest price$730
Washington, D.C. to Exeter Flights
Fastest flight time12h 35m
Cheapest price$1,358

  • How do I get Price Alerts for flights from Washington, D.C. to London?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. to London. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. to London with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.


Similar Washington, D.C. to London flights

Flexible with your destination? Broaden your search and find flights similar to your Washington, D.C. to London route

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Washington, D.C..

Can I find flights from Washington, D.C. to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to London?

momondo helps you find the best flight between Washington, D.C. and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Fly into one of these airports located in London
Airports listed have a maximum distance of 35.6 mi from London


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