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Cheap flights from Washington, D.C. to London from £128

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 17/9. 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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Easily compare return flights from Washington, D.C. to London

Below you can see the best fares for your return 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
28 Nov
IAD18:05Washington, D.C. Dulles Intl
10h 50m
1 stop
STN09:55London Stansted
5 Dec
STN10:55London Stansted
11h 00m
1 stop
IAD16:55Washington, D.C. Dulles Intl
Multiple Airlines
2 Dec
BWI18:05Baltimore/Washington
16h 25m
1 stop
LGW15:30London Gatwick
9 Dec
LGW07:40London Gatwick
14h 15m
1 stop
BWI16:55Baltimore/Washington
Icelandair
2 Dec
BWI19:30Baltimore/Washington
19h 00m
1 stop
LHR19:30London Heathrow
10 Dec
LHR20:40London Heathrow
26h 50m
1 stop
BWI18:30Baltimore/Washington
Scandinavian Airlines
21 Sept
IAD17:15Washington, D.C. Dulles Intl
16h 20m
2 stops
LHR14:35London Heathrow
23 Sept
LHR09:55London Heathrow
34h 30m
1 stop
IAD15:25Washington, D.C. Dulles Intl
United Airlines
18 Aug
IAD17:33Washington, D.C. Dulles Intl
13h 12m
1 stop
LHR11:45London Heathrow
27 Aug
LHR08:40London Heathrow
12h 35m
1 stop
IAD16:15Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
3 Nov
IAD22:30Washington, D.C. Dulles Intl
14h 00m
1 stop
LHR17:30London Heathrow
17 Nov
LHR19:55London Heathrow
22h 05m
1 stop
IAD13:00Washington, 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, Iberia and Icelandair
Multiple Airlines
17 Sept
BWI08:22Baltimore/Washington
20h 38m
1 stop
LGW10:00London Gatwick
Icelandair
14 Nov
IAD19:40Washington, D.C. Dulles Intl
18h 50m
1 stop
LHR19:30London Heathrow
PLAY
16 Sept
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted

Find the cheapest direct flights from Washington, D.C. to London

Iberia
1 Dec
IAD21:55Washington, D.C. Dulles Intl
7h 10m
LHR10:05London Heathrow
18 Dec
LHR16:30London Heathrow
8h 15m
IAD19:45Washington, D.C. Dulles Intl
Virgin Atlantic
4 Dec
IAD21:20Washington, D.C. Dulles Intl
7h 10m
LHR09:30London Heathrow
11 Dec
LHR16:15London Heathrow
8h 15m
IAD19:30Washington, D.C. Dulles Intl
British Airways
30 Oct
BWI21:30Baltimore/Washington
7h 10m
LHR08:40London Heathrow
4 Dec
LHR15:25London Heathrow
8h 20m
BWI18:45Baltimore/Washington
United Airlines
20 Aug
IAD18:30Washington, D.C. Dulles Intl
7h 15m
LHR06:45London Heathrow
27 Aug
LHR16:40London Heathrow
8h 05m
IAD19:45Washington, D.C. Dulles Intl
Lufthansa
8 Jan
IAD18:25Washington, D.C. Dulles Intl
7h 15m
LHR06:40London Heathrow
22 Jan
LHR16:20London Heathrow
8h 50m
IAD20:10Washington, D.C. Dulles Intl
Finnair
21 Aug
IAD22:45Washington, D.C. Dulles Intl
7h 20m
LHR11:05London Heathrow
27 Aug
LHR17:25London Heathrow
8h 05m
IAD20:30Washington, D.C. Dulles Intl

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

Find and compare return flight prices for your last-minute flight from Washington, D.C. to London
PLAY
7 Aug
IAD18:50Washington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40London Stansted
4 Sept
STN11:40London Stansted
11h 00m
1 stop
IAD17:40Washington, D.C. Dulles Intl
Multiple Airlines
31 Jul
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted
29 Jan
STN18:25London Stansted
51h 30m
2 stops
BWI16:55Baltimore/Washington
JetBlue
1 Aug
DCA10:00Washington, D.C. Reagan-National
16h 05m
1 stop
LGW07:05London Gatwick
3 Sept
LGW12:10London Gatwick
11h 35m
1 stop
DCA18:45Washington, D.C. Reagan-National
British Airways
31 Jul
BWI15:49Baltimore/Washington
10h 41m
1 stop
LHR07:30London Heathrow
23 Aug
LHR09:15London Heathrow
12h 12m
1 stop
BWI16:27Baltimore/Washington
Delta
31 Jul
IAD17:10Washington, D.C. Dulles Intl
12h 05m
1 stop
LHR10:15London Heathrow
28 Aug
LHR06:15London Heathrow
14h 55m
1 stop
IAD16:10Washington, D.C. Dulles Intl
SWISS
4 Aug
IAD20:45Washington, D.C. Dulles Intl
16h 10m
1 stop
LGW17:55London Gatwick
26 Aug
LGW18:45London Gatwick
26h 30m
1 stop
IAD16:15Washington, D.C. Dulles Intl

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

Our best American Airlines deals on Washington, D.C. to London flight tickets
American Airlines
2 Oct
DCA10:50Washington, D.C. Reagan-National
18h 50m
1 stop
LGW10:40London Gatwick
8 Oct
LGW10:40London Gatwick
18h 09m
2 stops
DCA23:49Washington, D.C. Reagan-National
American Airlines
18 Aug
IAD22:50Washington, D.C. Dulles Intl
7h 20m
LHR11:10London Heathrow
27 Aug
LHR17:25London Heathrow
8h 05m
IAD20:30Washington, D.C. Dulles Intl
American Airlines
13 Aug
BWI21:20Baltimore/Washington
7h 10m
LHR09:30London Heathrow
27 Aug
LHR15:15London Heathrow
12h 07m
1 stop
BWI22:22Baltimore/Washington

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

Our best British Airways deals on Washington, D.C. to London flight tickets
British Airways
14 Oct
DCA17:52Washington, D.C. Reagan-National
9h 18m
1 stop
LGW08:10London Gatwick
30 Oct
LGW15:00London Gatwick
12h 32m
1 stop
DCA23:32Washington, D.C. Reagan-National
British Airways
29 Sept
DCA17:00Washington, D.C. Reagan-National
10h 10m
1 stop
LGW08:10London Gatwick
8 Oct
LGW15:05London Gatwick
23h 12m
1 stop
DCA09:17Washington, D.C. Reagan-National
British Airways
7 Oct
BWI21:25Baltimore/Washington
7h 05m
LHR09:30London Heathrow
16 Oct
LHR16:35London Heathrow
8h 05m
BWI19:40Baltimore/Washington

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?

October. The cheapest time of year to fly to London from Washington, D.C. is October. The most expensive is June.

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

Monday. The cheapest day of the week is usually Monday. The most expensive is usually Thursday.

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

In the afternoon. Washington, D.C. to London flights are approximately 22% more expensive at midday than in the afternoon

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

Aer Lingus. Aer Lingus, Norse Atlantic UK, and Lufthansa 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?

23 days before. The cheapest time to buy a flight from Washington, D.C. to London is approximately 23 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 July 2024. The most popular departure time for this route is 22:00, with 84% of flights per day taking off in the evening.

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

204 flights are operational weekly from Washington, D.C. to London as of July 2024. The most popular departure day for this route is Monday, with 15% of flights per week taking off on this day.

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

You could potentially save up to 30% on your flight if you consider stops on a Washington, D.C. to London flight.

How have Washington, D.C. to London flight prices changed over time?

As of July 2024, prices for Washington, D.C. to London flights are approximately 0% more expensive when compared to flights at the same time last year.

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

£128

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 £128. The best return flight deal from Washington, D.C. to London found on momondo in the last 72 hours is £283.
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 Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

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

    There are 3662.3 mi between Washington, D.C. and London. 7h 05m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. to London are refreshed on a daily basis.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.


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 £247Free CancellationRating
7.1
36 reviews
Search Norse Atlantic UK flights
Virgin AtlanticPriceFrom £356Free CancellationRating
7.6
705 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £372Free CancellationRating
7.2
1,198 reviews
Search Aer Lingus flights
IcelandairPriceFrom £379Free CancellationRating
7.0
924 reviews
Search Icelandair flights
LufthansaPriceFrom £439Free CancellationRating
6.9
7,356 reviews
Search Lufthansa flights
United AirlinesPriceFrom £445Free CancellationRating
7.4
10,000 reviews
Search United Airlines flights
British AirwaysPriceFrom £450Free CancellationRating
6.7
6,717 reviews
Search British Airways flights
IberiaPriceFrom £490Free CancellationRating
7.0
2,673 reviews
Search Iberia flights
KLMPriceFrom £505Free CancellationRating
7.8
1,417 reviews
Search KLM flights
Air FrancePriceFrom £510Free CancellationRating
7.5
1,622 reviews
Search Air France flights
  • KLM Flights From Washington, D.C. to London

    KLM flight deals from Washington, D.C. to London start from £650 round-trip. Over the 7 KLM flights for this route in a normal week, average airfare is usually £803 round-trip - but some users have found much cheaper deals with momondo.

  • Virgin Atlantic Flights From Washington, D.C. to London

    Virgin Atlantic (7.6/10 from 705 reviews) operates around 7 flights from Washington, D.C. to London in any given week. The average Virgin Atlantic airfare for this route is around £813, with deals from around £458 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to London flight searches in the last 72 hours.


Why use momondo?

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

Finding the right flight to London from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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 provides multiple filters to help you find the best flight to London from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Washington, D.C. to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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Find better results for your trip to the United Kingdom

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