Cheap flights from Washington, D.C. to London from $182

Round-trip
1 adult
Economy
From?
To?
Tue 6/13
Tue 6/20

Deals available from 900+ travel sites.

Flight information for Washington, D.C. to London
(WAS to LON)

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

Best Price Found

$182

Fastest flight time

6h 05m

Direct flights

Every day

Airports in London

3 airports
The best one-way flight to London from Washington, D.C. in the past 72 hours is $182. The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $414.
The fastest flight from Washington, D.C. to London takes 6h 05m
Direct flights go from Washington, D.C. to London every day.
There are 3 airports near London: London Luton (LTN), London Heathrow (LHR), London Stansted (STN)

How to get the cheapest flight ticket from Washington, D.C. to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Washington, D.C. to London?

February. The cheapest time of year to fly to London from Washington, D.C. is February. Most expensive is July

What is the cheapest day to depart Washington, D.C. for London?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from Washington, D.C. to London?

In the afternoon. Washington, D.C. to London flights are approximately 11% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to London from Washington, D.C.?

PLAY. Air France, Finnair, and Icelandair are the most popular carriers operating from Washington, D.C. to London

What is the cheapest Washington, D.C. to London flight route?

Baltimore/Washington - London Luton. Fly from Baltimore/Washington to London Luton for the best Washington, D.C. - London flight prices

How far in advance should you book Washington, D.C. to London flights?

60 days before. The cheapest time to buy a flight from Washington, D.C. to London is approximately 60 days to departure

How many flights depart from Washington, D.C. to London on average per day?

29 flights are operational weekly from Washington, D.C. to London as of June 2023. The most popular departure time for this route is 9:00PM, with 46% of flights per day taking off in the afternoon.

How many flights depart from Washington, D.C. to London on average per week?

As of June 2023, there are 204 flights per week flying from Washington, D.C. to London. The most common day of the week flights depart is Sunday, with 15% of flights taking off on this day.

What cabin class options are available on Washington, D.C. to London flights?

There are 4 cabin classes available to choose from on Washington, D.C. to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to London flights?

You could potentially save up to 12% on your flight if you consider stops on a Washington, D.C. to London flight.

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 an alternate airport near Washington, D.C. Dulles Intl Airport, Washington, D.C. Reagan-National Airport is a great option and is located in Washington, D.C.. 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 Stansted Airport (in London), or London City Airport (in 15). The least expensive flight option from Washington, D.C. to London will typically be IAD — LTN during the month of June with an average price of $396 RT.

Washington, D.C. Dulles Intl Airport (IAD) to London Heathrow Airport (LHR)$420
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Washington, D.C. Reagan-National Airport (DCA) to London Heathrow Airport (LHR)$627
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Washington, D.C. Dulles Intl Airport (IAD) to London Gatwick Airport (LGW)$413
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Washington, D.C. Dulles Intl Airport (IAD) to London Stansted Airport (STN)$411
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Washington, D.C. Dulles Intl Airport (IAD) to London City Airport (LCY)$663
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Washington, D.C. Reagan-National Airport (DCA) to London Gatwick Airport (LGW)$618
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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
Multiple Airlines
Nov 27
BWI1:10 pmBaltimore/Washington
15h 00m
1 stop
LTN4:10 amLondon Luton
Dec 7
LTN2:15 amLondon Luton
14h 45m
1 stop
BWI5:00 pmBaltimore/Washington
PLAY
Nov 12
IAD1:10 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
STN11:35 pmLondon Stansted
Nov 16
STN5:35 amLondon Stansted
11h 25m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Oct 23
IAD1:30 pmWashington, D.C. Dulles Intl
19h 10m
1 stop
LHR8:40 amLondon Heathrow
Nov 2
LHR4:30 pmLondon Heathrow
24h 15m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
Norse Atlantic UK
Sep 25
IAD2:35 pmWashington, D.C. Dulles Intl
7h 20m
LGW9:55 pmLondon Gatwick
Nov 2
LGW11:00 amLondon Gatwick
8h 25m
IAD7:25 pmWashington, D.C. Dulles Intl
Icelandair
Oct 4
BWI4:35 pmBaltimore/Washington
10h 10m
1 stop
LGW2:45 amLondon Gatwick
Oct 12
LGW9:05 amLondon Gatwick
11h 20m
1 stop
BWI8:25 pmBaltimore/Washington
Delta
Aug 3
BWI12:45 pmBaltimore/Washington
14h 25m
2 stops
LGW3:10 amLondon Gatwick
Aug 29
LGW10:10 amLondon Gatwick
13h 39m
1 stop
BWI11:49 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 Norse Atlantic UK and PLAY
Norse Atlantic UK
Oct 18
IAD2:35 pmWashington, D.C. Dulles Intl
7h 20m
LGW9:55 pmLondon Gatwick
PLAY
Aug 6
BWI2:50 pmBaltimore/Washington
10h 35m
1 stop
STN1:25 amLondon Stansted
Multiple Airlines
Jul 25
BWI11:31 amBaltimore/Washington
14h 09m
1 stop
LGW1:40 amLondon Gatwick

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
Multiple Airlines
Jun 14
IAD5:30 pmWashington, D.C. Dulles Intl
16h 20m
2 stops
LGW9:50 amLondon Gatwick
Nov 29
LGW4:05 pmLondon Gatwick
22h 30m
2 stops
IAD2:35 pmWashington, D.C. Dulles Intl
Norse Atlantic UK
Jun 18
IAD4:25 pmWashington, D.C. Dulles Intl
7h 20m
LGW11:45 pmLondon Gatwick
Sep 3
LGW11:00 amLondon Gatwick
8h 20m
IAD7:20 pmWashington, D.C. Dulles Intl
PLAY
Jun 13
BWI2:50 pmBaltimore/Washington
10h 40m
1 stop
STN1:30 amLondon Stansted
Oct 10
STN7:35 amLondon Stansted
11h 05m
1 stop
BWI6:40 pmBaltimore/Washington
Aer Lingus
Jun 13
IAD6:20 pmWashington, D.C. Dulles Intl
12h 35m
1 stop
LHR6:55 amLondon Heathrow
Jun 23
LHR2:40 amLondon Heathrow
14h 00m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
JetBlue
Jun 14
DCA8:30 amWashington, D.C. Reagan-National
13h 05m
1 stop
LGW9:35 pmLondon Gatwick
Nov 29
LGW7:10 amLondon Gatwick
11h 40m
1 stop
DCA6:50 pmWashington, D.C. Reagan-National
Icelandair
Jun 14
BWI4:35 pmBaltimore/Washington
10h 10m
1 stop
LGW2:45 amLondon Gatwick
Nov 29
LGW7:00 amLondon Gatwick
11h 30m
1 stop
BWI6:30 pmBaltimore/Washington

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
PLAYPriceFrom $335Free CancellationRating
0.0
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IcelandairPriceFrom $369Free CancellationRating
7.4
109 reviews
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Norse Atlantic UKPriceFrom $391Free CancellationRating
0.0
Search Norse Atlantic UK flights
Scandinavian AirlinesPriceFrom $432Free CancellationRating
7.1
412 reviews
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TAP AIR PORTUGALPriceFrom $455Free CancellationRating
7.2
349 reviews
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Aer LingusPriceFrom $493Free CancellationRating
7.0
295 reviews
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DeltaPriceFrom $520Free CancellationRating
7.8
1,285 reviews
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FinnairPriceFrom $546Free CancellationRating
7.7
342 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $547Free CancellationRating
7.6
258 reviews
Search Virgin Atlantic flights
Air FrancePriceFrom $550Free CancellationRating
7.4
393 reviews
Search Air France flights
  • Delta Flights From Washington, D.C. to London

    The lowest priced Delta flight from Washington, D.C. to London from the last 72 hours was $520. Generally, Delta has 7 flights on this route every week with an average price of $818. Delta is rated 7.8/10 by our users.

  • Singapore Airlines Flights From Washington, D.C. to London

    Singapore Airlines (7.8/10 from 270 reviews) operates around 7 flights from Washington, D.C. to London in any given week. The average Singapore Airlines airfare for this route is around $766, with deals from around $592 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to London flight searches in the last 72 hours.


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

Our best Scandinavian Airlines deals on Washington, D.C. to London flight tickets
Scandinavian Airlines
Oct 23
IAD1:30 pmWashington, D.C. Dulles Intl
19h 10m
1 stop
LHR8:40 amLondon Heathrow
Nov 2
LHR4:30 pmLondon Heathrow
24h 15m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Oct 16
IAD1:30 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
LHR7:00 amLondon Heathrow
Oct 23
LHR1:00 pmLondon Heathrow
27h 20m
1 stop
IAD4:20 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Oct 1
IAD1:30 pmWashington, D.C. Dulles Intl
23h 10m
1 stop
LHR12:40 pmLondon Heathrow
Oct 11
LHR5:55 amLondon Heathrow
34h 25m
1 stop
IAD4:20 pmWashington, D.C. Dulles Intl

Finnair flights from Washington, D.C. to London

Our best Finnair deals on Washington, D.C. to London flight tickets
Finnair
Sep 16
DCA3:45 pmWashington, D.C. Reagan-National
30h 45m
1 stop
LHR10:30 pmLondon Heathrow
Oct 3
LHR3:30 amLondon Heathrow
21h 04m
2 stops
DCA12:34 amWashington, D.C. Reagan-National
Finnair
Sep 10
DCA1:44 pmWashington, D.C. Reagan-National
21h 56m
2 stops
LHR11:40 amLondon Heathrow
Sep 26
LHR3:30 amLondon Heathrow
21h 04m
2 stops
DCA12:34 amWashington, D.C. Reagan-National
Finnair
Jun 14
DCA1:48 pmWashington, D.C. Reagan-National
11h 32m
1 stop
LHR1:20 amLondon Heathrow
Jun 21
LHR4:55 amLondon Heathrow
43h 26m
2 stops
DCA12:21 amWashington, D.C. Reagan-National

  • 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.


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 time10h 00m
Cheapest price$484
Washington, D.C. to Birmingham Flights
Fastest flight time10h 05m
Cheapest price$630
Washington, D.C. to Bristol Flights
Fastest flight time9h 45m
Cheapest price$720

Similar Washington, D.C. to London flights

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Why use momondo?

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..

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.


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