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Cheap flights from London to Washington, D.C. from £183

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 8/4. 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 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

£183

Fastest flight time

7h 50m

Direct flights

Tue, Wed, Thu and Sat

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from London in the past 72 hours is £183. The best return flight deal from London to Washington, D.C. found on momondo in the last 72 hours is £300.
The fastest flight from London to Washington, D.C. takes 7h 50m
Direct flights go from London to Washington, D.C. on Tuesday, Wednesday, Thursday and Saturday. Airlines offering direct flights are: Austrian Airlines, Lufthansa and Virgin Atlantic.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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.?

September. The cheapest time of year to fly to Washington, D.C. from London is September. 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 Sunday.

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

In the morning. London to Washington, D.C. flights are approximately 16% more expensive in the evening than in the morning

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

PLAY. Aer Lingus, Air Canada, 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 Stansted - Washington, D.C. Dulles Intl. Fly from London Stansted 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?

56 days before. The cheapest time to buy a flight from London to Washington, D.C. is approximately 56 days to departure

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

30 flights are operational weekly from London to Washington, D.C. as of March 2024. The most popular departure time for this route is 15:00, with 79% 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 210 per week as of March 2024. The most frequent departure day is Monday, with 14% of weekly flights leaving on this day.

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

There are 3 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 44% on your flight if you consider stops on a London to Washington, D.C. flight.

When you’re planning your trip from London to Washington, D.C., the most popular airport-to-airport route is London Heathrow Airport to Washington, D.C. Dulles Intl Airport. If you are looking for alternate airports to fly out of when travelling to Washington, D.C., you can try flying out of London City Airport (in London), London Gatwick Airport (in London), or London Stansted Airport (in London). You may be looking for an airport near Washington, D.C. Dulles Intl Airport to land at when travelling from London and luckily, there are options! You can try Baltimore/Washington Airport which is located in Baltimore or Washington, D.C. Reagan-National Airport which is located in Washington, D.C.. The cheapest route from London to Washington, D.C. is STN — IAD with an average price of £294 RT during the month of March.

London Heathrow Airport (LHR) to Washington, D.C. Dulles Intl Airport (IAD)£401
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London Heathrow Airport (LHR) to Baltimore/Washington Airport (BWI)£409
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London City Airport (LCY) to Washington, D.C. Dulles Intl Airport (IAD)£428
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London Heathrow Airport (LHR) to Washington, D.C. Reagan-National Airport (DCA)£463
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London Gatwick Airport (LGW) to Washington, D.C. Dulles Intl Airport (IAD)£309
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London Gatwick Airport (LGW) to Baltimore/Washington Airport (BWI)£335
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Easily compare return flights from London to Washington, D.C.

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 London to Washington, D.C. by changing tabs
PLAY
10 Sept
STN11:40London Stansted
11h 00m
1 stop
IAD17:40Washington, D.C. Dulles Intl
23 Sept
IAD18:50Washington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40London Stansted
Multiple Airlines
11 Sept
LGW06:00London Gatwick
16h 40m
1 stop
IAD17:40Washington, D.C. Dulles Intl
24 Sept
IAD18:50Washington, D.C. Dulles Intl
13h 25m
1 stop
LGW13:15London Gatwick
JetBlue
23 Apr
LGW12:10London Gatwick
12h 40m
1 stop
DCA19:50Washington, D.C. Reagan-National
30 Apr
DCA10:35Washington, D.C. Reagan-National
15h 15m
1 stop
LGW06:50London Gatwick
Icelandair
17 Apr
LHR13:05London Heathrow
11h 20m
1 stop
BWI19:25Baltimore/Washington
24 Apr
BWI20:30Baltimore/Washington
18h 50m
1 stop
LHR20:20London Heathrow
Aer Lingus
12 Apr
LHR06:45London Heathrow
13h 55m
1 stop
IAD15:40Washington, D.C. Dulles Intl
14 Apr
IAD20:40Washington, D.C. Dulles Intl
17h 45m
1 stop
LHR19:25London Heathrow
Scandinavian Airlines
18 Apr
LHR20:30London Heathrow
23h 55m
1 stop
IAD15:25Washington, D.C. Dulles Intl
25 Apr
IAD17:15Washington, D.C. Dulles Intl
17h 45m
1 stop
LHR16:00London Heathrow

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

If you're looking for one-way flights from London to Washington, D.C., view some of our deals below provided by Aer Lingus, PLAY and Virgin Atlantic
Multiple Airlines
8 Apr
LGW14:00London Gatwick
22h 29m
1 stop
BWI07:29Baltimore/Washington
PLAY
15 May
STN11:40London Stansted
35h 00m
1 stop
BWI17:40Baltimore/Washington
Aer Lingus
8 Apr
LHR21:10London Heathrow
23h 30m
1 stop
IAD15:40Washington, D.C. Dulles Intl

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

Find and compare return flight prices for your last-minute flight from London to Washington, D.C.
PLAY
28 Mar
STN10:55London Stansted
11h 00m
1 stop
IAD17:55Washington, D.C. Dulles Intl
7 Apr
IAD18:50Washington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40London Stansted
Scandinavian Airlines
26 Mar
LHR20:30London Heathrow
24h 15m
1 stop
IAD16:45Washington, D.C. Dulles Intl
10 Apr
IAD17:15Washington, D.C. Dulles Intl
17h 45m
1 stop
LHR16:00London Heathrow
Multiple Airlines
26 Mar
LGW07:20London Gatwick
14h 35m
1 stop
BWI17:55Baltimore/Washington
23 Apr
BWI18:50Baltimore/Washington
13h 25m
1 stop
LGW13:15London Gatwick
TAP AIR PORTUGAL
23 Mar
LHR06:00London Heathrow
13h 35m
1 stop
IAD15:35Washington, D.C. Dulles Intl
7 Apr
IAD22:20Washington, D.C. Dulles Intl
31h 00m
1 stop
LHR10:20London Heathrow
Icelandair
23 Mar
LHR20:40London Heathrow
26h 40m
1 stop
IAD19:20Washington, D.C. Dulles Intl
17 Apr
IAD20:30Washington, D.C. Dulles Intl
18h 50m
1 stop
LHR20:20London Heathrow
JetBlue
25 Mar
LGW11:55London Gatwick
11h 54m
1 stop
DCA19:49Washington, D.C. Reagan-National
4 Apr
DCA13:35Washington, D.C. Reagan-National
12h 15m
1 stop
LGW06:50London Gatwick

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
Norse Atlantic UKPriceFrom £233Free CancellationRating
6.9
26 reviews
Search Norse Atlantic UK flights
PLAYPriceFrom £252Free CancellationRating
7.3
62 reviews
Search PLAY flights
IcelandairPriceFrom £361Free CancellationRating
7.1
1,436 reviews
Search Icelandair flights
JetBluePriceFrom £364Free CancellationRating
7.7
4,921 reviews
Search JetBlue flights
TAP AIR PORTUGALPriceFrom £366Free CancellationRating
7.1
2,233 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom £377Free CancellationRating
7.7
762 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £383Free CancellationRating
7.4
11,602 reviews
Search United Airlines flights
Air FrancePriceFrom £384Free CancellationRating
7.6
1,910 reviews
Search Air France flights
American AirlinesPriceFrom £398Free CancellationRating
7.3
15,312 reviews
Search American Airlines flights
Aer LingusPriceFrom £404Free CancellationRating
7.2
1,404 reviews
Search Aer Lingus flights
  • Delta Flights From London to Washington, D.C.

    Delta flight deals from London to Washington, D.C. start from £641 round-trip. Over the 7 Delta flights for this route in a normal week, average airfare is usually £837 round-trip - but some users have found much cheaper deals with momondo.

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

    Virgin Atlantic (7.7/10 from 762 reviews) operates around 7 flights from London to Washington, D.C. in any given week. The average Virgin Atlantic airfare for this route is around £827, with deals from around £480 rare but found on momondo. Referenced prices are for round-trip London to Washington, D.C. flight searches in the last 72 hours.


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

Our best Scandinavian Airlines deals on London to Washington, D.C. flight tickets
Scandinavian Airlines
18 Apr
LHR20:30London Heathrow
23h 55m
1 stop
IAD15:25Washington, D.C. Dulles Intl
25 Apr
IAD17:15Washington, D.C. Dulles Intl
17h 45m
1 stop
LHR16:00London Heathrow
Scandinavian Airlines
26 Mar
LHR20:30London Heathrow
24h 15m
1 stop
IAD16:45Washington, D.C. Dulles Intl
10 Apr
IAD17:15Washington, D.C. Dulles Intl
17h 45m
1 stop
LHR16:00London Heathrow
Scandinavian Airlines
25 Mar
LHR06:40London Heathrow
14h 05m
1 stop
IAD16:45Washington, D.C. Dulles Intl
1 Apr
IAD17:15Washington, D.C. Dulles Intl
17h 45m
1 stop
LHR16:00London Heathrow

Lufthansa flights from London to Washington, D.C.

Our best Lufthansa deals on London to Washington, D.C. flight tickets
Lufthansa
25 Apr
LHR14:50London Heathrow
35h 15m
1 stop
IAD21:05Washington, D.C. Dulles Intl
27 Apr
IAD18:05Washington, D.C. Dulles Intl
31h 50m
1 stop
LHR06:55London Heathrow
Lufthansa
25 Apr
LHR19:30London Heathrow
28h 55m
2 stops
IAD19:25Washington, D.C. Dulles Intl
27 Apr
IAD18:05Washington, D.C. Dulles Intl
35h 20m
1 stop
LHR10:25London Heathrow
Lufthansa
15 Apr
LHR16:40London Heathrow
8h 25m
IAD20:05Washington, D.C. Dulles Intl
22 Apr
IAD22:05Washington, D.C. Dulles Intl
7h 35m
LHR10:40London Heathrow

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

    The distance between London and Washington, D.C. is about 3662.3 mi. 7h 50m 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.


Alternative routes for London to Washington, D.C.

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Manchester to Washington, D.C. Flights
Fastest flight time12h 25m
Cheapest price£342
Bristol to Washington, D.C. Flights
Fastest flight time12h 15m
Cheapest price£456
Leeds to Washington, D.C. Flights
Fastest flight time11h 55m
Cheapest price£431
Newcastle upon Tyne to Washington, D.C. Flights
Fastest flight time11h 45m
Cheapest price£360
Birmingham to Washington, D.C. Flights
Fastest flight time11h 50m
Cheapest price£365
Southampton to Washington, D.C. Flights
Fastest flight time11h 00m
Cheapest price£364
Norwich to Washington, D.C. Flights
Fastest flight time16h 55m
Cheapest price£802
Grimsby to Washington, D.C. Flights
Fastest flight time18h 35m
Cheapest price£832

Similar London to Washington, D.C. flights

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

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.


An easier way to manage your Washington, D.C. trip

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Find better results for your stay in 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.


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