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Cheap flights from London to Washington, D.C. from $228

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 2/22. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
7:40 am - 5:00 pmLGW-BWI
14h 20m1 stop
6:10 pm - 2:30 pmBWI-LGW
15h 20m1 stop
dl., gen. 13 - ds., febr. 1
11:00 am - 6:00 pmSTN-IAD
11h 00m1 stop
7:10 pm - 10:00 amIAD-STN
10h 50m1 stop
$372PLAY
Find Deal
dt., març 18 - dt., març 25
3:00 pm - 9:57 amLHR-DCA
22h 57m1 stop
1:00 pm - 6:55 amDCA-LHR
12h 55m1 stop
$637Lufthansa
Find Deal
ds., nov.. 2 - ds., nov.. 9
6:00 pm - 9:46 amLHR-IAD
20h 46m1 stop
6:30 pm - 6:40 amIAD-LHR
7h 10mnonstop
$642Lufthansa
Find Deal
ds., nov.. 9 - dv., nov.. 15
6:50 am - 7:59 pmLGW-DCA
18h 09m2 stops
12:53 pm - 8:05 amDCA-LGW
14h 12m1 stop
$776British Airways
Find Deal
dl., nov.. 25 - dl., des. 9
6:50 am - 7:59 pmLGW-DCA
18h 09m2 stops
4:45 pm - 6:50 pmDCA-LGW
21h 05m2 stops
$778British Airways
Find Deal
dl., nov.. 25 - dl., des. 9
2:30 pm - 9:00 pmLHR-DCA
11h 30m1 stop
11:00 am - 7:10 amDCA-LHR
15h 10m1 stop
$789United Airlines
Find Deal
dl., nov.. 25 - dc., des. 4
2:30 pm - 9:00 pmLHR-DCA
11h 30m1 stop
3:28 pm - 8:25 amDCA-LHR
11h 57m1 stop
$790United Airlines
Find Deal
dl., nov.. 18 - dl., nov.. 25
10:00 am - 3:45 pmLCY-IAD
10h 45m1 stop
5:35 pm - 8:10 amIAD-LCY
9h 35m1 stop
$823Virgin Atlantic
Find Deal
dc., nov.. 20 - dc., nov.. 27
8:40 am - 11:22 pmLCY-IAD
19h 42m2 stops
5:35 pm - 8:10 amIAD-LCY
9h 35m1 stop
$827Virgin Atlantic
Find Deal
dl., nov.. 18 - dl., nov.. 25
2:35 pm - 5:00 pmLGW-BWI
31h 25m1 stop
ds., febr. 22
11:00 am - 5:00 pmSTN-BWI
11h 00m1 stop
$248PLAY
Find Deal
dc., gen. 15
7:40 am - 5:00 pmLGW-BWI
14h 20m1 stop
dl., gen. 13
4:10 pm - 9:00 amLHR-DCA
20h 50m1 stop
$671Virgin Atlantic
Find Deal
dc., oct.. 30
7:30 am - 10:37 pmLGW-DCA
44h 07m3 stops
$681British Airways
Find Deal
dt., nov.. 19
6:45 am - 10:37 pmLHR-DCA
20h 52m3 stops
$693British Airways
Find Deal
ds., nov.. 16
12:20 pm - 10:18 pmLHR-DCA
13h 58m1 stop
$698Virgin Atlantic
Find Deal
dj., oct.. 31
6:15 pm - 4:50 pmLCY-IAD
26h 35m1 stop
$862Lufthansa
Find Deal
dv., nov.. 1
8:30 am - 7:32 pmLHR-DCA
16h 02m2 stops
$870United Airlines
Find Deal
dg., nov.. 10
2:30 pm - 9:00 pmLHR-DCA
11h 30m1 stop
$871United Airlines
Find Deal
dc., nov.. 13
4:40 pm - 7:55 pmLHR-IAD
8h 15mnonstop
6:30 am - 12:50 pmIAD-LHR
25h 20m1 stop
$640United Airlines
Find Deal
dv., oct.. 25 - ds., oct.. 26
1:15 pm - 5:40 pmSTN-BWI
33h 25m2 stops
7:10 pm - 10:00 amBWI-STN
10h 50m1 stop
dc., oct.. 23 - dg., oct.. 27
11:40 am - 5:40 pmSTN-BWI
11h 00m1 stop
7:10 pm - 10:00 amBWI-STN
10h 50m1 stop
$939PLAY
Find Deal
dc., oct.. 23 - dl., oct.. 28
11:40 am - 5:40 pmSTN-BWI
11h 00m1 stop
7:10 pm - 10:00 amBWI-STN
10h 50m1 stop
$959PLAY
Find Deal
dc., oct.. 23 - dg., oct.. 27
1:30 pm - 10:21 pmLHR-BWI
12h 51m1 stop
6:06 pm - 12:45 pmBWI-LHR
37h 39m2 stops
$1,181British Airways
Find Deal
dg., oct.. 27 - dg., nov.. 3
7:15 pm - 4:55 pmLHR-IAD
25h 40m1 stop
6:30 pm - 6:40 amIAD-LHR
7h 10mnonstop
$1,188Lufthansa
Find Deal
dg., oct.. 27 - dj., nov.. 7
1:00 pm - 7:38 pmLHR-DCA
11h 38m1 stop
4:10 pm - 7:55 amDCA-LHR
11h 45m1 stop
$1,192Virgin Atlantic
Find Deal
dv., oct.. 25 - dt., oct.. 29
12:05 pm - 4:40 pmLHR-IAD
8h 35mnonstop
6:30 pm - 6:40 amIAD-LHR
7h 10mnonstop
$1,232Lufthansa
Find Deal
dg., oct.. 27 - dc., nov.. 6
5:30 pm - 8:25 pmLHR-IAD
7h 55mnonstop
6:45 pm - 7:15 amIAD-LHR
7h 30mnonstop
$1,245Virgin Atlantic
Find Deal
dj., oct.. 24 - dl., nov.. 4
7:30 pm - 8:00 pmLHR-DCA
28h 30m2 stops
4:47 pm - 6:35 amDCA-LHR
8h 48m1 stop
$1,250British Airways
Find Deal
dg., oct.. 27 - dj., febr. 13
4:30 pm - 8:45 pmLHR-IAD
8h 15mnonstop
10:55 pm - 10:05 amIAD-LHR
7h 10mnonstop
$695British Airways
Find Deal
dt., març 18 - dt., març 25
4:20 pm - 8:15 pmLHR-IAD
8h 55mnonstop
6:25 pm - 6:40 amIAD-LHR
7h 15mnonstop
$738Lufthansa
Find Deal
dc., nov.. 27 - dj., des. 12
4:20 pm - 8:15 pmLHR-IAD
8h 55mnonstop
6:25 pm - 6:40 amIAD-LHR
7h 15mnonstop
$740Lufthansa
Find Deal
dc., nov.. 27 - dj., des. 12
12:25 pm - 5:05 pmLHR-IAD
8h 40mnonstop
9:50 pm - 10:05 amIAD-LHR
7h 15mnonstop
$746Virgin Atlantic
Find Deal
dt., març 25 - dt., abr. 8
12:10 pm - 3:35 pmLHR-IAD
8h 25mnonstop
6:00 pm - 6:15 amIAD-LHR
7h 15mnonstop
$762Iberia
Find Deal
dt., nov.. 19 - dt., nov.. 26
12:10 pm - 3:35 pmLHR-IAD
8h 25mnonstop
9:55 pm - 10:05 amIAD-LHR
7h 10mnonstop
$765Iberia
Find Deal
dc., nov.. 27 - dt., des. 3
12:25 pm - 4:05 pmLHR-IAD
8h 40mnonstop
6:45 pm - 7:15 amIAD-LHR
7h 30mnonstop
$773Virgin Atlantic
Find Deal
dl., nov.. 18 - dl., nov.. 25
4:30 pm - 7:45 pmLHR-IAD
8h 15mnonstop
9:55 pm - 10:05 amIAD-LHR
7h 10mnonstop
$778British Airways
Find Deal
dt., gen. 14 - dl., febr. 3
4:20 pm - 8:15 pmLHR-IAD
8h 55mnonstop
10:15 pm - 10:50 amIAD-LHR
7h 35mnonstop
$790United Airlines
Find Deal
dl., nov.. 18 - dl., nov.. 25
4:20 pm - 8:15 pmLHR-IAD
8h 55mnonstop
10:30 pm - 11:05 amIAD-LHR
7h 35mnonstop
$791United Airlines
Find Deal
dl., nov.. 25 - dc., des. 4

PLAY flights from London to Washington, D.C.

Our best PLAY deals on London to Washington, D.C. flight tickets
PLAY
Mar 18
STN11:00 amLondon Stansted
11h 00m
1 stop
IAD6:00 pmWashington, D.C. Dulles Intl
Mar 25
IAD7:10 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
STN10:00 amLondon Stansted
PLAY
Mar 1
STN11:00 amLondon Stansted
11h 00m
1 stop
BWI5:00 pmBaltimore/Washington
Mar 22
BWI7:10 pmBaltimore/Washington
9h 50m
1 stop
STN9:00 amLondon Stansted
PLAY
Jan 31
STN11:00 amLondon Stansted
11h 00m
1 stop
BWI5:00 pmBaltimore/Washington
Feb 10
BWI6:10 pmBaltimore/Washington
10h 50m
1 stop
STN10:00 amLondon Stansted

Finnair flights from London to Washington, D.C.

Our best Finnair deals on London to Washington, D.C. flight tickets
Finnair
Nov 27
LHR3:25 pmLondon Heathrow
8h 20m
BWI6:45 pmBaltimore/Washington
Dec 3
BWI8:13 amBaltimore/Washington
23h 07m
1 stop
LHR12:20 pmLondon Heathrow
Finnair
Nov 5
LHR12:35 pmLondon Heathrow
16h 15m
1 stop
BWI11:50 pmBaltimore/Washington
Nov 11
BWI8:30 pmBaltimore/Washington
7h 10m
LHR8:40 amLondon Heathrow
Finnair
Mar 17
LHR3:25 pmLondon Heathrow
8h 20m
BWI7:45 pmBaltimore/Washington
Mar 27
BWI6:34 amBaltimore/Washington
25h 46m
1 stop
LHR12:20 pmLondon 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 typical price of a round-trip flight between London and Washington, D.C.?

What is the cheapest month to fly from London to Washington, D.C.?

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

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

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Monday

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

In the morning. London to Washington, D.C. flights are approximately 23% more expensive in the afternoon than in the morning

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

PLAY. PLAY, Scandinavian Airlines, and Finnair 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 - Baltimore/Washington. Fly from London Luton to Baltimore/Washington 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?

The number of flights available between London and Washington, D.C. is 21 per day as of October 2024. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

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

150 flights are operational weekly from London to Washington, D.C. as of October 2024. The most popular departure day for this route is Monday, with 18% of flights per week taking off 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 67% 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 October 2024, prices for London to Washington, D.C. flights are approximately 91% 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 round-trip 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

$228

Fastest flight time

8h 20m

Direct flights

Mon, Tue, Thu and Sun

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from London in the past 72 hours is $228. The best round-trip flight deal from London to Washington, D.C. found on momondo in the last 72 hours is $371.
The fastest flight from London to Washington, D.C. takes 8h 20m
Direct flights go from London to Washington, D.C. on Monday, Tuesday, Thursday and Sunday. The only airline offering direct flights is Finnair.
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?

    There are 3662.3 mi between London and Washington, D.C.. By plane, this route typically takes 8h 20m.

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

    Prices for flights from London to Washington, D.C. are updated daily.

  • 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.?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Washington, D.C. 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 Washington, D.C.. It is always advisable to seek advice from your airline or a trusted 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 $327Free CancellationRating
7.1
85 reviews
Search PLAY flights
IcelandairPriceFrom $513Free CancellationRating
7.2
602 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $525Free CancellationRating
7.3
1,302 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom $531Free CancellationRating
7.6
667 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom $538Free CancellationRating
7.1
1,090 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $562Free CancellationRating
6.6
6,841 reviews
Search British Airways flights
IberiaPriceFrom $573Free CancellationRating
7.0
2,685 reviews
Search Iberia flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
9,285 reviews
Search United Airlines flights
DeltaPriceFrom $596Free CancellationRating
8.0
8,884 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $598Free CancellationRating
7.1
1,907 reviews
Search TAP AIR PORTUGAL flights
  • Delta Flights From London to Washington, D.C.

    The lowest priced Delta flight from London to Washington, D.C. from the last 72 hours was $596. Generally, Delta has 6 flights on this route every week with an average price of $914. Delta is rated 8.0/10 by our users.

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

    Finnair (7.7/10 from 1,319 reviews) operates around 12 flights from London to Washington, D.C. in any given week. The average Finnair airfare for this route is around $733, with deals from around $610 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.?

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 Washington, D.C. from London.

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

Yes. momondo allows you to filter the results for London to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from London.

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

Price alerts on flights to Washington, D.C. from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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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.