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Cheap flights from Washington, D.C. to London from $169

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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

$169

Fastest flight time

6h 55m

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 $169. The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $356.
The fastest flight from Washington, D.C. to London takes 6h 55m
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 IAD — LHR during the month of February with an average price of $291 RT.

Washington, D.C. Dulles Intl Airport (IAD) to London Heathrow Airport (LHR)$291
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Baltimore/Washington Airport (BWI) to London Heathrow Airport (LHR)$509
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Washington, D.C. Reagan-National Airport (DCA) to London Heathrow Airport (LHR)$592
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Washington, D.C. Dulles Intl Airport (IAD) to London Gatwick Airport (LGW)$518
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Washington, D.C. Dulles Intl Airport (IAD) to London City Airport (LCY)$649
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Baltimore/Washington Airport (BWI) to London Gatwick Airport (LGW)$443
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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
Apr 8
BWI6:50 pmBaltimore/Washington
10h 40m
1 stop
STN10:30 amLondon Stansted
Apr 14
STN11:35 amLondon Stansted
11h 05m
1 stop
BWI5:40 pmBaltimore/Washington
Aer Lingus
Apr 23
IAD8:40 pmWashington, D.C. Dulles Intl
11h 45m
1 stop
LHR1:25 pmLondon Heathrow
Apr 28
LHR8:50 amLondon Heathrow
11h 50m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Multiple Airlines
Apr 21
BWI6:50 pmBaltimore/Washington
31h 45m
2 stops
LGW7:35 amLondon Gatwick
Apr 27
LGW6:40 amLondon Gatwick
16h 00m
1 stop
BWI5:40 pmBaltimore/Washington
Scandinavian Airlines
Mar 12
IAD6:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
LHR4:00 pmLondon Heathrow
Jan 14
LHR8:30 pmLondon Heathrow
27h 10m
1 stop
IAD6:40 pmWashington, D.C. Dulles Intl
Icelandair
May 2
IAD8:30 pmWashington, D.C. Dulles Intl
18h 50m
1 stop
LHR8:20 pmLondon Heathrow
May 9
LHR1:10 pmLondon Heathrow
11h 05m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
British Airways
Mar 11
BWI9:40 pmBaltimore/Washington
6h 55m
LHR8:35 amLondon Heathrow
Jan 15
LHR3:25 pmLondon Heathrow
8h 30m
BWI6:55 pmBaltimore/Washington

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 PLAY
Multiple Airlines
Mar 17
BWI3:44 pmBaltimore/Washington
14h 16m
1 stop
LGW10:00 amLondon Gatwick
PLAY
Mar 18
BWI7:05 pmBaltimore/Washington
34h 50m
1 stop
STN9:55 amLondon Stansted
TAP AIR PORTUGAL
Apr 23
IAD5:00 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
LHR10:20 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
PLAY
Mar 11
BWI7:05 pmBaltimore/Washington
10h 50m
1 stop
STN9:55 amLondon Stansted
Mar 19
STN10:55 amLondon Stansted
11h 00m
1 stop
BWI5:55 pmBaltimore/Washington
Multiple Airlines
Mar 11
BWI7:05 pmBaltimore/Washington
10h 50m
1 stop
STN9:55 amLondon Stansted
Mar 14
STN7:15 amLondon Stansted
14h 40m
1 stop
BWI5:55 pmBaltimore/Washington
Scandinavian Airlines
Mar 4
IAD5:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
LHR4:00 pmLondon Heathrow
Mar 11
LHR8:30 pmLondon Heathrow
24h 15m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
Icelandair
Mar 4
IAD7:40 pmWashington, D.C. Dulles Intl
10h 10m
1 stop
LHR10:50 amLondon Heathrow
Mar 19
LHR8:40 pmLondon Heathrow
26h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
British Airways
Mar 4
IAD6:20 pmWashington, D.C. Dulles Intl
7h 10m
LHR6:30 amLondon Heathrow
Mar 19
LHR12:15 pmLondon Heathrow
8h 30m
IAD4:45 pmWashington, D.C. Dulles Intl
United Airlines
Mar 6
IAD6:25 pmWashington, D.C. Dulles Intl
7h 15m
LHR6:40 amLondon Heathrow
Mar 11
LHR8:50 amLondon Heathrow
34h 40m
1 stop
IAD3:30 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
26 reviews
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PLAYPriceFrom $351Free CancellationRating
7.2
59 reviews
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LufthansaPriceFrom $386Free CancellationRating
7.0
8,065 reviews
Search Lufthansa flights
Air CanadaPriceFrom $392Free CancellationRating
7.0
6,670 reviews
Search Air Canada flights
DeltaPriceFrom $410Free CancellationRating
8.0
11,812 reviews
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TAP AIR PORTUGALPriceFrom $424Free CancellationRating
7.0
2,250 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $426Free CancellationRating
7.4
1,435 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $463Free CancellationRating
7.1
1,474 reviews
Search Icelandair flights
KLMPriceFrom $472Free CancellationRating
7.8
1,763 reviews
Search KLM flights
Aer LingusPriceFrom $481Free CancellationRating
7.3
1,424 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 $585. Generally, Singapore Airlines has 7 flights on this route every week with an average price of $724. Singapore Airlines is rated 8.3/10 by our users.

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

    Delta (8.0/10 from 11,812 reviews) operates around 7 flights from Washington, D.C. to London in any given week. The average Delta airfare for this route is around $758, with deals from around $410 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to London flight searches in the last 72 hours.


Aer Lingus flights from Washington, D.C. to London

Our best Aer Lingus deals on Washington, D.C. to London flight tickets
Aer Lingus
Apr 23
IAD8:40 pmWashington, D.C. Dulles Intl
11h 45m
1 stop
LHR1:25 pmLondon Heathrow
Apr 28
LHR8:50 amLondon Heathrow
11h 50m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Aer Lingus
Apr 24
IAD8:40 pmWashington, D.C. Dulles Intl
9h 30m
1 stop
LHR11:10 amLondon Heathrow
May 9
LHR9:50 amLondon Heathrow
10h 50m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Aer Lingus
Apr 26
IAD8:40 pmWashington, D.C. Dulles Intl
11h 45m
1 stop
LHR1:25 pmLondon Heathrow
May 4
LHR7:40 amLondon Heathrow
13h 00m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl

Scandinavian Airlines flights from Washington, D.C. to London

Our best Scandinavian Airlines deals on Washington, D.C. to London flight tickets
Scandinavian Airlines
Mar 12
IAD6:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
LHR4:00 pmLondon Heathrow
Jan 14
LHR8:30 pmLondon Heathrow
27h 10m
1 stop
IAD6:40 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Apr 1
IAD5:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
LHR4:00 pmLondon Heathrow
Apr 8
LHR6:40 amLondon Heathrow
13h 45m
1 stop
IAD3:25 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Mar 26
IAD6:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
LHR4:00 pmLondon Heathrow
Apr 24
LHR8:30 pmLondon Heathrow
23h 55m
1 stop
IAD3:25 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 6h 55m.

  • 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$389
Washington, D.C. to Birmingham Flights
Fastest flight time9h 30m
Cheapest price$582
Washington, D.C. to Southampton Flights
Fastest flight time9h 40m
Cheapest price$802
Washington, D.C. to Newcastle upon Tyne Flights
Fastest flight time10h 15m
Cheapest price$544
Washington, D.C. to Liverpool Flights
Fastest flight time10h 25m
Cheapest price$890
Washington, D.C. to Leeds Flights
Fastest flight time9h 35m
Cheapest price$689
Washington, D.C. to Bristol Flights
Fastest flight time9h 45m
Cheapest price$769
Washington, D.C. to Newquay Flights
Fastest flight time11h 05m
Cheapest price$663

  • 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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Airports listed have a maximum distance of 35.6 mi from London


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