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Cheap flights from London to Washington, D.C. from £191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Washington, D.C. departing on 28/2. 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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Find the cheapest flights from London to Washington, D.C.

Cheap return flights

These are some of the best return flight deals from London to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Washington, D.C..

Cheap last-minute flights

Planning a quick getaway from London to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Washington, D.C.

Find recent round-trip train or bus tickets from London to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
07:35 - 18:00LTN-BWI
14h 25m1 stop
19:10 - 13:55BWI-LTN
14h 45m1 stop
Mon, 10 Mar - Mon, 17 Mar
07:35 - 17:00LTN-BWI
14h 25m1 stop
18:10 - 13:20BWI-LTN
14h 10m1 stop
Mon, 24 Feb - Fri, 28 Feb
11:00 - 17:00STN-BWI
11h 00m1 stop
18:10 - 10:00BWI-STN
10h 50m1 stop
£301PLAY
Find Deal
Wed, 29 Jan - Sat, 1 Feb
11:00 - 17:00STN-BWI
11h 00m1 stop
18:50 - 10:40BWI-STN
10h 50m1 stop
£307PLAY
Find Deal
Mon, 3 Feb - Sun, 30 Mar
18:00 - 09:46LHR-IAD
20h 46m1 stop
06:05 - 20:35IAD-LHR
9h 30m1 stop
£426Lufthansa
Find Deal
Sat, 18 Jan - Mon, 20 Jan
11:10 - 08:57LHR-DCA
25h 47m1 stop
16:00 - 05:55DCA-LHR
9h 55m1 stop
£511Lufthansa
Find Deal
Sat, 15 Mar - Fri, 21 Mar
15:25 - 18:45LHR-BWI
8h 20mdirect
21:20 - 09:30BWI-LHR
7h 10mdirect
£609British Airways
Find Deal
Wed, 29 Jan - Wed, 2 Apr
11:45 - 23:19LHR-BWI
16h 34m2 stops
16:47 - 10:35BWI-LHR
12h 48m1 stop
£624Virgin Atlantic
Find Deal
Tue, 18 Feb - Tue, 25 Feb
15:25 - 18:45LHR-BWI
8h 20mdirect
21:20 - 09:30BWI-LHR
7h 10mdirect
£624British Airways
Find Deal
Wed, 29 Jan - Tue, 1 Apr
11:45 - 23:19LHR-BWI
16h 34m2 stops
12:21 - 06:50BWI-LHR
13h 29m1 stop
£633Virgin Atlantic
Find Deal
Mon, 20 Jan - Mon, 27 Jan
14:05 - 17:00LTN-BWI
31h 55m1 stop
Fri, 28 Feb
06:50 - 17:00LGW-BWI
15h 10m1 stop
Sun, 23 Feb
11:00 - 17:00STN-BWI
11h 00m1 stop
£209PLAY
Find Deal
Wed, 5 Feb
11:00 - 17:00STN-BWI
35h 00m1 stop
£224PLAY
Find Deal
Sun, 26 Jan
17:55 - 15:45LCY-IAD
26h 50m1 stop
£470Virgin Atlantic
Find Deal
Mon, 13 Jan
08:50 - 22:00LHR-DCA
18h 10m1 stop
£471Virgin Atlantic
Find Deal
Wed, 8 Jan
10:15 - 16:55LHR-DCA
11h 40m1 stop
£617British Airways
Find Deal
Wed, 8 Jan
08:40 - 16:27LHR-DCA
12h 47m1 stop
£656British Airways
Find Deal
Sun, 19 Jan
10:00 - 20:20LCY-IAD
15h 20m1 stop
£729Lufthansa
Find Deal
Wed, 1 Jan
18:00 - 08:24LHR-DCA
19h 24m1 stop
£777Lufthansa
Find Deal
Sat, 21 Dec
14:35 - 17:00LGW-BWI
31h 25m1 stop
18:10 - 15:30BWI-LGW
16h 20m1 stop
Sat, 23 Nov - Mon, 9 Dec
06:00 - 17:00LTN-BWI
16h 00m1 stop
18:10 - 13:55BWI-LTN
14h 45m1 stop
Sun, 24 Nov - Mon, 13 Jan
11:00 - 17:00STN-IAD
11h 00m1 stop
18:10 - 10:00IAD-STN
10h 50m1 stop
£409PLAY
Find Deal
Sun, 24 Nov - Mon, 2 Dec
11:00 - 17:00STN-BWI
11h 00m1 stop
18:10 - 10:00BWI-STN
10h 50m1 stop
£412PLAY
Find Deal
Sat, 23 Nov - Wed, 4 Dec
14:30 - 10:19LHR-DCA
24h 49m1 stop
06:00 - 20:35DCA-LHR
9h 35m1 stop
£471Lufthansa
Find Deal
Sat, 23 Nov - Mon, 25 Nov
16:20 - 20:15LHR-IAD
8h 55mdirect
17:56 - 07:10IAD-LHR
32h 14m1 stop
£534Lufthansa
Find Deal
Fri, 22 Nov - Sat, 30 Nov
08:40 - 15:45LHR-IAD
12h 05m1 stop
18:45 - 07:15IAD-LHR
7h 30mdirect
£745Virgin Atlantic
Find Deal
Fri, 22 Nov - Mon, 25 Nov
08:40 - 15:45LHR-IAD
12h 05m1 stop
18:45 - 07:15IAD-LHR
7h 30mdirect
£782Virgin Atlantic
Find Deal
Sun, 24 Nov - Mon, 2 Dec
14:05 - 19:59LHR-DCA
34h 54m2 stops
15:59 - 06:35DCA-LHR
9h 36m1 stop
£954British Airways
Find Deal
Sun, 24 Nov - Mon, 13 Jan
15:25 - 18:45LHR-BWI
8h 20mdirect
09:14 - 07:00BWI-LHR
16h 46m1 stop
£958British Airways
Find Deal
Wed, 20 Nov - Thu, 28 Nov
12:25 - 17:05LHR-IAD
8h 40mdirect
21:40 - 09:10IAD-LHR
7h 30mdirect
£569Delta
Find Deal
Mon, 17 Mar - Thu, 27 Mar
17:05 - 20:01LHR-IAD
7h 56mdirect
21:50 - 10:05IAD-LHR
7h 15mdirect
£571KLM
Find Deal
Mon, 28 Apr - Mon, 12 May
12:05 - 15:40LHR-IAD
8h 35mdirect
18:25 - 06:40IAD-LHR
7h 15mdirect
£575Lufthansa
Find Deal
Wed, 8 Jan - Wed, 22 Jan
16:30 - 19:45LHR-IAD
8h 15mdirect
17:55 - 06:15IAD-LHR
7h 20mdirect
£609British Airways
Find Deal
Wed, 29 Jan - Thu, 3 Apr
15:25 - 18:45LHR-BWI
8h 20mdirect
21:20 - 09:30BWI-LHR
7h 10mdirect
£609British Airways
Find Deal
Wed, 29 Jan - Wed, 2 Apr
16:20 - 20:15LHR-IAD
8h 55mdirect
18:25 - 06:40IAD-LHR
7h 15mdirect
£613Lufthansa
Find Deal
Fri, 6 Dec - Mon, 9 Dec
17:05 - 20:01LHR-IAD
7h 56mdirect
21:50 - 10:05IAD-LHR
7h 15mdirect
£613Virgin Atlantic
Find Deal
Fri, 25 Apr - Tue, 6 May
12:25 - 16:05LHR-IAD
8h 40mdirect
18:45 - 07:15IAD-LHR
7h 30mdirect
£633Virgin Atlantic
Find Deal
Fri, 17 Jan - Fri, 24 Jan
15:25 - 18:45LHR-BWI
8h 20mdirect
20:30 - 08:40BWI-LHR
7h 10mdirect
£653Finnair
Find Deal
Mon, 24 Feb - Fri, 28 Feb
15:25 - 18:45LHR-BWI
8h 20mdirect
20:30 - 08:40BWI-LHR
7h 10mdirect
£656Finnair
Find Deal
Mon, 17 Feb - Sat, 22 Feb

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

Our best Scandinavian Airlines deals on London to Washington, D.C. flight tickets
Scandinavian Airlines
10 Jan
LHR06:40London Heathrow
14h 00m
1 stop
IAD15:40Washington, D.C. Dulles Intl
24 Jan
IAD17:10Washington, D.C. Dulles Intl
16h 25m
2 stops
LHR14:35London Heathrow
Scandinavian Airlines
28 Nov
LHR19:30London Heathrow
25h 10m
1 stop
IAD15:40Washington, D.C. Dulles Intl
1 Feb
IAD17:10Washington, D.C. Dulles Intl
11h 10m
1 stop
LHR09:20London Heathrow
Scandinavian Airlines
26 Nov
LHR18:40London Heathrow
26h 00m
1 stop
IAD15:40Washington, D.C. Dulles Intl
1 Dec
IAD17:10Washington, D.C. Dulles Intl
17h 50m
1 stop
LHR16:00London Heathrow

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

Our best Aer Lingus deals on London to Washington, D.C. flight tickets
Aer Lingus
9 Dec
LHR09:50London Heathrow
10h 50m
1 stop
IAD15:40Washington, D.C. Dulles Intl
16 Dec
IAD17:10Washington, D.C. Dulles Intl
9h 55m
1 stop
LHR08:05London Heathrow
Aer Lingus
27 Nov
LHR07:50London Heathrow
12h 50m
1 stop
IAD15:40Washington, D.C. Dulles Intl
12 Dec
IAD17:10Washington, D.C. Dulles Intl
9h 55m
1 stop
LHR08:05London Heathrow
Aer Lingus
20 Jan
LHR15:25London Heathrow
8h 20m
BWI18:45Baltimore/Washington
27 Jan
BWI20:30Baltimore/Washington
7h 10m
LHR08:40London Heathrow

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

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 London to Washington, D.C.?

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

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

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

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

In the evening. London to Washington, D.C. flights are approximately 18% more expensive in the afternoon than in the evening

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

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

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

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

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

59 days before. The cheapest time to buy a flight from London to Washington, D.C. is approximately 59 days to departure

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

25 flights are operational weekly from London to Washington, D.C. as of November 2024. The most popular departure time for this route is 12:00, with 100% of flights per day taking off in the afternoon.

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

The number of flights available between London and Washington, D.C. is 179 per week as of November 2024. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

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

There are 2 cabin classes available to choose from on London to Washington, D.C. 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 London to Washington, D.C. flights?

You could potentially save up to 60% on your flight if you consider stops on a London to Washington, D.C. flight.

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

As of November 2024, prices for London to Washington, D.C. flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from London to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from London to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Washington, D.C. (LON to WAS) flight deals and tips

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

Best price found

£191

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from London in the past 72 hours is £191. The best return flight deal from London to Washington, D.C. found on momondo in the last 72 hours is £287.
The fastest flight from London to Washington, D.C. takes 8h 00m
Direct flights go from London to Washington, D.C. every day.
There are 2 airports near Washington, D.C.: Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    The distance between London and Washington, D.C. is about 3662.3 mi. 8h 00m is a normal flight duration for this route.

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

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

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

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

    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 London to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Washington, D.C.?

  • What is the most popular airline from London to Washington, D.C.?


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

Compare and see reviews for airlines that fly from London to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom £248Free CancellationRating
7.1
88 reviews
Search PLAY flights
DeltaPriceFrom £338Free CancellationRating
8.0
8,765 reviews
Search Delta flights
JetBluePriceFrom £356Free CancellationRating
7.4
3,402 reviews
Search JetBlue flights
IcelandairPriceFrom £372Free CancellationRating
7.2
555 reviews
Search Icelandair flights
Aer LingusPriceFrom £393Free CancellationRating
7.1
1,087 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom £401Free CancellationRating
7.1
1,891 reviews
Search TAP AIR PORTUGAL flights
Brussels AirlinesPriceFrom £404Free CancellationRating
7.4
367 reviews
Search Brussels Airlines flights
Scandinavian AirlinesPriceFrom £416Free CancellationRating
7.3
1,301 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom £420Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom £432Free CancellationRating
7.0
8,235 reviews
Search Air Canada flights
  • Delta Flights From London to Washington, D.C.

    Delta flight deals from London to Washington, D.C. start from £428 round-trip. Over the 5 Delta flights for this route in a normal week, average airfare is usually £840 round-trip - but some users have found much cheaper deals with momondo.

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

    KLM (7.8/10 from 1,350 reviews) operates around 5 flights from London to Washington, D.C. in any given week. The average KLM airfare for this route is around £810, with deals from around £621 rare but found on momondo. Referenced prices are for round-trip London to Washington, D.C. flight searches in the last 72 hours.


Why use momondo?

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

Finding the right flight to Washington, D.C. from London 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 Washington, D.C. quick and easy, saving you time and money.

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

All flight searches from London to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for London to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for London to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.