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Cheap flights from Washington, D.C. to London from $200

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 9/23. 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 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
PLAY
Sep 22
IAD6:50 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40 amLondon Stansted
Oct 1
STN11:40 amLondon Stansted
11h 00m
1 stop
IAD5:40 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Sep 24
IAD10:30 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
LGW3:35 pmLondon Gatwick
Oct 8
LGW4:25 pmLondon Gatwick
27h 50m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Virgin Atlantic
May 13
DCA5:08 pmWashington, D.C. Reagan-National
11h 52m
1 stop
LGW10:00 amLondon Gatwick
May 24
LGW12:00 pmLondon Gatwick
13h 58m
1 stop
DCA8:58 pmWashington, D.C. Reagan-National
Delta
May 18
IAD4:59 pmWashington, D.C. Dulles Intl
22h 11m
1 stop
LHR8:10 pmLondon Heathrow
May 28
LHR6:15 amLondon Heathrow
17h 55m
1 stop
IAD7:10 pmWashington, D.C. Dulles Intl
Scandinavian Airlines
Oct 15
IAD5:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
LHR4:00 pmLondon Heathrow
Oct 28
LHR9:55 amLondon Heathrow
13h 45m
1 stop
IAD7:40 pmWashington, D.C. Dulles Intl
ITA Airways
Sep 2
IAD4:30 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
LGW11:15 amLondon Gatwick
Sep 17
LGW12:05 pmLondon Gatwick
31h 35m
1 stop
IAD2:40 pmWashington, 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, Icelandair and PLAY
Multiple Airlines
Sep 23
BWI3:25 pmBaltimore/Washington
13h 35m
1 stop
LGW10:00 amLondon Gatwick
Icelandair
Sep 25
BWI8:30 pmBaltimore/Washington
10h 25m
1 stop
LHR11:55 amLondon Heathrow
PLAY
Jul 8
IAD6:50 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40 amLondon Stansted

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
PLAY
May 4
IAD6:50 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
STN10:40 amLondon Stansted
May 8
STN11:40 amLondon Stansted
11h 00m
1 stop
IAD5:40 pmWashington, D.C. Dulles Intl
Multiple Airlines
May 3
BWI6:50 pmBaltimore/Washington
15h 05m
1 stop
LGW2:55 pmLondon Gatwick
May 11
LGW6:35 amLondon Gatwick
16h 05m
1 stop
BWI5:40 pmBaltimore/Washington
Delta
May 1
BWI5:21 pmBaltimore/Washington
11h 39m
1 stop
LGW10:00 amLondon Gatwick
May 8
LGW12:00 pmLondon Gatwick
15h 52m
1 stop
BWI10:52 pmBaltimore/Washington
Icelandair
May 1
IAD8:30 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
LHR11:55 amLondon Heathrow
May 8
LHR9:25 pmLondon Heathrow
26h 50m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
Virgin Atlantic
May 1
IAD10:15 pmWashington, D.C. Dulles Intl
7h 15m
LHR10:30 amLondon Heathrow
May 8
LHR5:30 pmLondon Heathrow
7h 55m
IAD8:25 pmWashington, D.C. Dulles Intl
Air France
Apr 28
BWI2:08 pmBaltimore/Washington
11h 17m
1 stop
LHR6:25 amLondon Heathrow
May 9
LHR1:55 pmLondon Heathrow
12h 42m
1 stop
BWI9:37 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
Norse Atlantic UKPriceFrom $260Free CancellationRating
6.8
29 reviews
Search Norse Atlantic UK flights
PLAYPriceFrom $351Free CancellationRating
7.2
67 reviews
Search PLAY flights
Air CanadaPriceFrom $392Free CancellationRating
7.0
6,864 reviews
Search Air Canada flights
LufthansaPriceFrom $395Free CancellationRating
7.0
7,742 reviews
Search Lufthansa flights
DeltaPriceFrom $411Free CancellationRating
8.0
10,966 reviews
Search Delta flights
KLMPriceFrom $419Free CancellationRating
7.8
1,626 reviews
Search KLM flights
Scandinavian AirlinesPriceFrom $426Free CancellationRating
7.4
1,429 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $439Free CancellationRating
7.1
2,177 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $461Free CancellationRating
7.1
1,345 reviews
Search Icelandair flights
Aer LingusPriceFrom $480Free CancellationRating
7.2
1,349 reviews
Search Aer Lingus flights
  • Singapore Airlines Flights From Washington, D.C. to London

    The lowest priced Singapore Airlines flight from Washington, D.C. to London from the last 72 hours was $570. Generally, Singapore Airlines has 7 flights on this route every week with an average price of $681. Singapore Airlines is rated 8.2/10 by our users.

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

    Delta (8.0/10 from 10,966 reviews) operates around 7 flights from Washington, D.C. to London in any given week. The average Delta airfare for this route is around $797, with deals from around $411 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to London flight searches in the last 72 hours.


Delta flights from Washington, D.C. to London

Our best Delta deals on Washington, D.C. to London flight tickets
Delta
May 18
IAD4:59 pmWashington, D.C. Dulles Intl
22h 11m
1 stop
LHR8:10 pmLondon Heathrow
May 28
LHR6:15 amLondon Heathrow
17h 55m
1 stop
IAD7:10 pmWashington, D.C. Dulles Intl
Delta
May 18
IAD4:59 pmWashington, D.C. Dulles Intl
22h 11m
1 stop
LHR8:10 pmLondon Heathrow
May 28
LHR5:30 pmLondon Heathrow
7h 55m
IAD8:25 pmWashington, D.C. Dulles Intl
Delta
May 1
BWI5:21 pmBaltimore/Washington
11h 39m
1 stop
LGW10:00 amLondon Gatwick
May 8
LGW12:00 pmLondon Gatwick
15h 52m
1 stop
BWI10:52 pmBaltimore/Washington

Icelandair flights from Washington, D.C. to London

Our best Icelandair deals on Washington, D.C. to London flight tickets
Icelandair
Aug 8
IAD11:15 pmWashington, D.C. Dulles Intl
16h 05m
1 stop
LHR8:20 pmLondon Heathrow
Aug 20
LHR9:25 pmLondon Heathrow
26h 50m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
Icelandair
Sep 2
BWI8:30 pmBaltimore/Washington
18h 50m
1 stop
LHR8:20 pmLondon Heathrow
Sep 17
LHR9:25 pmLondon Heathrow
27h 00m
1 stop
BWI7:25 pmBaltimore/Washington
Icelandair
May 1
IAD8:30 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
LHR11:55 amLondon Heathrow
May 8
LHR9:25 pmLondon Heathrow
26h 50m
1 stop
IAD7:15 pmWashington, 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?

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

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 20% more expensive in the morning than in the afternoon

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

Scandinavian Airlines. Icelandair, Norse Atlantic UK, and PLAY are the most popular carriers operating from Washington, D.C. to London

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

Washington, D.C. Dulles Intl - London Stansted. Fly from Washington, D.C. Dulles Intl 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?

59 days before. The cheapest time to buy a flight from Washington, D.C. to London is approximately 59 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 April 2024. The most popular departure time for this route is 9:00PM, with 66% of flights per day taking off in the evening.

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

As of April 2024, 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 3 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 32% 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

$200

Fastest flight time

7h 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 $200. The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $368.
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 3 airports near London: London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

  • 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.

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

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

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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?

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..

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 helps you find the best flight between Washington, D.C. and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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