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Cheap flights from Washington, D.C. to London from £140

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 18/9. 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
27 Sept
BWI18:50Baltimore/Washington
10h 50m
1 stop
STN10:40London Stansted
8 Nov
STN10:55London Stansted
11h 00m
1 stop
BWI16:55Baltimore/Washington
Multiple Airlines
27 Oct
BWI19:05Baltimore/Washington
16h 20m
1 stop
LGW15:25London Gatwick
17 Nov
LGW07:00London Gatwick
14h 55m
1 stop
BWI16:55Baltimore/Washington
TAP AIR PORTUGAL
26 Oct
IAD17:10Washington, D.C. Dulles Intl
14h 15m
1 stop
LHR12:25London Heathrow
8 Nov
LHR18:30London Heathrow
25h 05m
1 stop
IAD14:35Washington, D.C. Dulles Intl
Icelandair
28 Jul
BWI20:30Baltimore/Washington
10h 25m
1 stop
LHR11:55London Heathrow
22 Aug
LHR21:25London Heathrow
27h 00m
1 stop
BWI19:25Baltimore/Washington
ITA Airways
16 Sept
IAD16:30Washington, D.C. Dulles Intl
13h 45m
1 stop
LGW11:15London Gatwick
22 Sept
LGW12:05London Gatwick
31h 35m
1 stop
IAD14:40Washington, D.C. Dulles Intl
Scandinavian Airlines
8 Oct
IAD17:15Washington, D.C. Dulles Intl
17h 45m
1 stop
LHR16:00London Heathrow
14 Oct
LHR06:40London Heathrow
13h 45m
1 stop
IAD15:25Washington, 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 Finnair, Iberia and Icelandair
Multiple Airlines
18 Sept
BWI19:08Baltimore/Washington
30h 52m
1 stop
LGW07:00London Gatwick
Icelandair
22 Oct
BWI20:30Baltimore/Washington
10h 25m
1 stop
LHR11:55London Heathrow
PLAY
30 Jul
IAD18:50Washington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40London Stansted

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
Multiple Airlines
18 May
BWI20:46Baltimore/Washington
32h 14m
1 stop
LGW10:00London Gatwick
22 May
LGW10:55London Gatwick
25h 39m
2 stops
BWI07:34Baltimore/Washington
PLAY
16 May
IAD18:50Washington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40London Stansted
30 May
STN11:40London Stansted
11h 00m
1 stop
IAD17:40Washington, D.C. Dulles Intl
JetBlue
14 May
DCA13:30Washington, D.C. Reagan-National
12h 20m
1 stop
LGW06:50London Gatwick
21 May
LGW12:10London Gatwick
11h 35m
1 stop
DCA18:45Washington, D.C. Reagan-National
Virgin Atlantic
19 May
IAD16:59Washington, D.C. Dulles Intl
10h 06m
1 stop
LHR08:05London Heathrow
28 May
LHR08:40London Heathrow
12h 20m
1 stop
IAD16:00Washington, D.C. Dulles Intl
Delta
12 May
BWI17:17Baltimore/Washington
11h 43m
1 stop
LGW10:00London Gatwick
23 May
LGW12:00London Gatwick
15h 52m
1 stop
BWI22:52Baltimore/Washington
Austrian Airlines
19 May
IAD22:25Washington, D.C. Dulles Intl
7h 15m
LHR10:40London Heathrow
28 May
LHR12:15London Heathrow
8h 05m
IAD15:20Washington, 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 £254Free CancellationRating
6.8
29 reviews
Search Norse Atlantic UK flights
Virgin AtlanticPriceFrom £365Free CancellationRating
7.7
739 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom £386Free CancellationRating
7.1
1,329 reviews
Search Icelandair flights
Aer LingusPriceFrom £388Free CancellationRating
7.2
1,338 reviews
Search Aer Lingus flights
LufthansaPriceFrom £456Free CancellationRating
7.0
7,703 reviews
Search Lufthansa flights
United AirlinesPriceFrom £457Free CancellationRating
7.4
11,073 reviews
Search United Airlines flights
British AirwaysPriceFrom £497Free CancellationRating
6.8
6,870 reviews
Search British Airways flights
IberiaPriceFrom £504Free CancellationRating
7.1
2,748 reviews
Search Iberia flights
Air FrancePriceFrom £524Free CancellationRating
7.5
1,779 reviews
Search Air France flights
KLMPriceFrom £526Free CancellationRating
7.8
1,598 reviews
Search KLM flights
  • KLM Flights From Washington, D.C. to London

    KLM flight deals from Washington, D.C. to London start from £659 round-trip. Over the 7 KLM flights for this route in a normal week, average airfare is usually £752 round-trip - but some users have found much cheaper deals with momondo.

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

    Virgin Atlantic (7.7/10 from 739 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.


TAP AIR PORTUGAL flights from Washington, D.C. to London

Our best TAP AIR PORTUGAL deals on Washington, D.C. to London flight tickets
TAP AIR PORTUGAL
26 Oct
IAD17:10Washington, D.C. Dulles Intl
14h 15m
1 stop
LHR12:25London Heathrow
8 Nov
LHR18:30London Heathrow
25h 05m
1 stop
IAD14:35Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
24 Oct
IAD17:20Washington, D.C. Dulles Intl
14h 25m
1 stop
LHR12:45London Heathrow
30 Oct
LHR18:30London Heathrow
25h 30m
1 stop
IAD16:00Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
30 Oct
IAD23:35Washington, D.C. Dulles Intl
31h 50m
1 stop
LHR11:25London Heathrow
16 Nov
LHR06:00London Heathrow
13h 35m
1 stop
IAD14:35Washington, D.C. Dulles Intl

Icelandair flights from Washington, D.C. to London

Our best Icelandair deals on Washington, D.C. to London flight tickets
Icelandair
28 Jul
BWI20:30Baltimore/Washington
10h 25m
1 stop
LHR11:55London Heathrow
22 Aug
LHR21:25London Heathrow
27h 00m
1 stop
BWI19:25Baltimore/Washington
Icelandair
8 Aug
IAD23:15Washington, D.C. Dulles Intl
31h 30m
1 stop
LGW11:45London Gatwick
24 Aug
LGW13:00London Gatwick
11h 15m
1 stop
IAD19:15Washington, D.C. Dulles Intl
Icelandair
18 Aug
IAD23:15Washington, D.C. Dulles Intl
16h 05m
1 stop
LHR20:20London Heathrow
24 Aug
LHR21:25London Heathrow
26h 50m
1 stop
IAD19:15Washington, D.C. Dulles Intl

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 Sunday.

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

In the afternoon. Washington, D.C. to London flights are approximately 24% more expensive at midday than in the afternoon

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

Norse Atlantic UK. Aer Lingus, Icelandair, and KLM 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 Stansted. Fly from Baltimore/Washington to London Stansted 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 May 2024. The most popular departure time for this route is 21:00, with 50% 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 May 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 26% on your flight if you consider stops on a Washington, D.C. to London flight.

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

£140

Fastest flight time

6h 55m

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 £140. The best return flight deal from Washington, D.C. to London found on momondo in the last 72 hours is £330.
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 3 airports near London: London Heathrow (LHR), 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. 6h 55m 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.


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 stay in the United Kingdom

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