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Cheap flights from London Heathrow Airport to Washington, D.C. from $251

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 Heathrow Airport to Washington, D.C. departing on 4/10. 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 Heathrow Airport to Washington, D.C. (LHR to WAS) flight deals and tips

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

Best Price Found

$251

Fastest flight time

7h 50m

Direct flights

Tue, Wed, Thu, Fri and Sat

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from London Heathrow Airport in the past 72 hours is $251. The best round-trip flight deal from London Heathrow Airport to Washington, D.C. found on momondo in the last 72 hours is $483.
The fastest flight from London Heathrow Airport to Washington, D.C. takes 7h 50m
Direct flights go from London Heathrow Airport to Washington, D.C. on Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Finnair, Iberia and American Airlines.
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 Heathrow Airport 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 Heathrow Airport to Washington, D.C.?

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

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

Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Sunday

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

At noon. London Heathrow Airport to Washington, D.C. flights are approximately 14% more expensive in the evening than at noon

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

PLAY. Aer Lingus, Finnair, and Icelandair are the most popular carriers operating from London Heathrow Airport to Washington, D.C.

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

45 days before. The cheapest time to buy a flight from London Heathrow Airport to Washington, D.C. is approximately 45 days to departure

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

30 flights are operational weekly from London Heathrow Airport to Washington, D.C. as of March 2024. The most popular departure time for this route is 3:00PM, with 79% of flights per day taking off in the afternoon.

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

210 flights are operational weekly from London Heathrow Airport to Washington, D.C. as of March 2024. The most popular departure day for this route is Sunday, with 14% of flights per week taking off on this day.

Can stopping save me money on London Heathrow Airport to Washington, D.C. flights?

You could potentially save up to 33% on your flight if you consider stops on a London Heathrow Airport to Washington, D.C. flight.

If you are looking to fly from London to Washington, D.C., you are most likely going to fly from London Heathrow Airport to Washington, D.C. Dulles Intl Airport, the most popular airports on that route. If you are looking for alternate airports to fly into when traveling from London, you can try Baltimore/Washington Airport or Washington, D.C. Reagan-National Airport which are located in Baltimore and Washington, D.C. respectively. The cheapest route from London to Washington, D.C. is LHR — IAD with an average price of $470 RT during the month of March.

London Heathrow Airport (LHR) to Washington, D.C. Dulles Intl Airport (IAD)$470
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London Heathrow Airport (LHR) to Baltimore/Washington Airport (BWI)$503
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London Heathrow Airport (LHR) to Washington, D.C. Reagan-National Airport (DCA)$565
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Easily compare round-trip flights from London Heathrow Airport to Washington, D.C.

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 London Heathrow Airport to Washington, D.C. by changing tabs
Multiple Airlines
Apr 14
LHR6:45 amLondon Heathrow
15h 55m
2 stops
IAD5:40 pmWashington, D.C. Dulles Intl
Apr 21
IAD6:50 pmWashington, D.C. Dulles Intl
19h 05m
2 stops
LHR6:55 pmLondon Heathrow
Scandinavian Airlines
Apr 3
LHR6:40 pmLondon Heathrow
25h 45m
1 stop
IAD3:25 pmWashington, D.C. Dulles Intl
Apr 8
IAD5:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
LHR4:00 pmLondon Heathrow
JetBlue
Apr 24
LHR8:40 amLondon Heathrow
11h 01m
1 stop
DCA2:41 pmWashington, D.C. Reagan-National
May 1
DCA10:35 amWashington, D.C. Reagan-National
14h 55m
1 stop
LHR6:30 amLondon Heathrow
Icelandair
Apr 15
LHR9:25 pmLondon Heathrow
27h 00m
1 stop
BWI7:25 pmBaltimore/Washington
Apr 22
BWI8:30 pmBaltimore/Washington
10h 25m
1 stop
LHR11:55 amLondon Heathrow
Aer Lingus
Apr 16
LHR6:45 amLondon Heathrow
13h 55m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Apr 23
IAD5:10 pmWashington, D.C. Dulles Intl
15h 15m
1 stop
LHR1:25 pmLondon Heathrow
Finnair
Apr 17
LHR10:05 amLondon Heathrow
11h 09m
1 stop
DCA4:14 pmWashington, D.C. Reagan-National
Apr 24
DCA7:59 pmWashington, D.C. Reagan-National
11h 11m
1 stop
LHR12:10 pmLondon Heathrow

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

If you're looking for one-way flights from London Heathrow Airport to Washington, D.C., view some of our deals below provided by Icelandair, JetBlue and TAP AIR PORTUGAL
Multiple Airlines
Apr 10
LHR8:50 pmLondon Heathrow
41h 12m
3 stops
BWI9:02 amBaltimore/Washington
Icelandair
May 7
LHR9:25 pmLondon Heathrow
26h 50m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
TAP AIR PORTUGAL
Sep 5
LHR8:00 amLondon Heathrow
12h 20m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl

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

Find and compare round-trip flight prices for your last-minute flight from London Heathrow Airport to Washington, D.C.
Scandinavian Airlines
Apr 3
LHR6:40 pmLondon Heathrow
25h 45m
1 stop
IAD3:25 pmWashington, D.C. Dulles Intl
Apr 8
IAD5:15 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
LHR4:00 pmLondon Heathrow
Multiple Airlines
Apr 10
LHR7:40 amLondon Heathrow
15h 00m
2 stops
IAD5:40 pmWashington, D.C. Dulles Intl
Apr 17
IAD6:50 pmWashington, D.C. Dulles Intl
19h 35m
2 stops
LHR7:25 pmLondon Heathrow
Icelandair
Apr 11
LHR1:10 pmLondon Heathrow
11h 15m
1 stop
BWI7:25 pmBaltimore/Washington
Apr 15
BWI8:30 pmBaltimore/Washington
18h 50m
1 stop
LHR8:20 pmLondon Heathrow
Aer Lingus
Apr 10
LHR7:40 amLondon Heathrow
13h 00m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Apr 14
IAD8:40 pmWashington, D.C. Dulles Intl
18h 40m
1 stop
LHR8:20 pmLondon Heathrow
TAP AIR PORTUGAL
Apr 3
LHR6:45 pmLondon Heathrow
25h 35m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
Sep 16
IAD10:25 pmWashington, D.C. Dulles Intl
14h 20m
1 stop
LHR5:45 pmLondon Heathrow
Finnair
Apr 3
LHR2:25 pmLondon Heathrow
14h 04m
1 stop
DCA11:29 pmWashington, D.C. Reagan-National
Apr 8
DCA12:30 pmWashington, D.C. Reagan-National
15h 35m
1 stop
LHR9:05 amLondon Heathrow

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

Compare and see reviews for airlines that fly from London Heathrow Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $362Free CancellationRating
7.2
64 reviews
Search PLAY flights
Norse Atlantic UKPriceFrom $492Free CancellationRating
6.9
27 reviews
Search Norse Atlantic UK flights
IcelandairPriceFrom $517Free CancellationRating
7.1
1,407 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $525Free CancellationRating
7.4
1,426 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom $531Free CancellationRating
7.7
755 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom $538Free CancellationRating
7.2
1,383 reviews
Search Aer Lingus flights
IberiaPriceFrom $567Free CancellationRating
7.1
2,810 reviews
Search Iberia flights
United AirlinesPriceFrom $584Free CancellationRating
7.4
11,481 reviews
Search United Airlines flights
British AirwaysPriceFrom $584Free CancellationRating
6.8
6,968 reviews
Search British Airways flights
DeltaPriceFrom $608Free CancellationRating
8.0
11,402 reviews
Search Delta flights
  • Delta Flights From London Heathrow Airport to Washington, D.C.

    Delta flies from London Heathrow Airport to Washington, D.C. around 7 times per week, with 11,402 momondo users rating the airline 8.0/10. The cheapest Delta deal from London Heathrow Airport to Washington, D.C. in the last 72 hours was $608 (round-trip), much lower than the average airfare cost of $898 for Delta flights on this route.

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

    Across 755 Virgin Atlantic reviews on momondo, the average score is 7.7/10. Virgin Atlantic flies from London Heathrow Airport to Washington, D.C. about 7 times each week, with ticket deals ranging from $531 to $826. Price data is based on momondo searches in the last 72 hours.


Austrian Airlines flights from London Heathrow Airport to Washington, D.C.

Our best Austrian Airlines deals on London Heathrow Airport to Washington, D.C. flight tickets
Austrian Airlines
Apr 15
LHR6:00 amLondon Heathrow
13h 35m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Apr 22
IAD6:30 pmWashington, D.C. Dulles Intl
7h 15m
LHR6:45 amLondon Heathrow
Austrian Airlines
Apr 15
LHR6:00 amLondon Heathrow
13h 35m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Apr 24
IAD10:05 pmWashington, D.C. Dulles Intl
7h 35m
LHR10:40 amLondon Heathrow
Austrian Airlines
Apr 15
LHR12:15 pmLondon Heathrow
8h 05m
IAD3:20 pmWashington, D.C. Dulles Intl
Apr 22
IAD10:05 pmWashington, D.C. Dulles Intl
7h 35m
LHR10:40 amLondon Heathrow

United Airlines flights from London Heathrow Airport to Washington, D.C.

Our best United Airlines deals on London Heathrow Airport to Washington, D.C. flight tickets
United Airlines
Apr 15
LHR6:50 amLondon Heathrow
11h 40m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
Apr 24
IAD6:00 amWashington, D.C. Dulles Intl
9h 40m
1 stop
LHR8:40 pmLondon Heathrow
United Airlines
Apr 10
LHR12:15 pmLondon Heathrow
8h 05m
IAD3:20 pmWashington, D.C. Dulles Intl
Apr 22
IAD10:05 pmWashington, D.C. Dulles Intl
7h 35m
LHR10:40 amLondon Heathrow
United Airlines
Apr 24
LHR12:15 pmLondon Heathrow
8h 05m
IAD3:20 pmWashington, D.C. Dulles Intl
May 1
IAD6:00 amWashington, D.C. Dulles Intl
9h 40m
1 stop
LHR8:40 pmLondon Heathrow

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

    The distance between London Heathrow and Washington, D.C. is about 3649.4 mi. A reasonable flight in good conditions will take 7h 50m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Washington, D.C..

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

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Alternative routes for London Heathrow Airport to Washington, D.C.

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to Washington, D.C. Flights
Fastest flight time11h 00m
Cheapest price$362

Similar London Heathrow Airport to Washington, D.C. flights

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington, D.C. for you.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from London with this policy.

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?

Yes momondo offers price alerts on flights to Washington, D.C. from London. 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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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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