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

196 flights are operational weekly from London Heathrow Airport to Washington, D.C. as of September 2026. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.

What airlines fly to Washington, D.C.?

British Airways, Lufthansa and United Airlines are the top three most popular airlines that fly to Washington, D.C. from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 9 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

Icelandair, British Airways, and Finnair are the most popular carriers operating from London Heathrow to Washington, D.C.

What is the most punctual flight time for London to Washington, D.C. flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Which airport is the most popular layover for flights between London Heathrow Airport and Washington, D.C.?

Dublin (DUB) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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

28 flights are operational daily from London Heathrow Airport to Washington, D.C. as of September 2026. The most popular departure time for this route is 12:00PM, with 97% of flights per day taking off in the afternoon.

How often are flights from London to Washington, D.C. delayed?

Historically, on average around 16% of flights between London and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

Which layover airport offers the lowest fares from London Heathrow Airport to Washington, D.C.?

Flights via Amsterdam (AMS) offer the lowest average round-trip price of $598.

Which layover airport has the shortest connection time from London Heathrow Airport to Washington, D.C.?

Amsterdam (AMS) has the shortest average layover time for this route: 1h 10m.

Which airline has the best punctuality record on London to Washington, D.C. flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

Which layover airport has the shortest travel time from London Heathrow Airport to Washington, D.C.?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 10h 40m.

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

As of September 2026, there are 9 operators available to choose from 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.

$317 Cheap Flights from London Heathrow Airport to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 am - 3:35 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Amsterdam Schiphol

9:45 pm - 1:45 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

11h 00m1 stop Paris Charles de Gaulle

$578Delta

Fri, Oct 9 - Sun, Oct 18

4:00 pm - 7:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$578Virgin Atlantic

Fri, Oct 9 - Sun, Oct 18

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

6:05 pm - 6:15 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 10mnonstop

$580British Airways

Tue, Nov 24 - Wed, Dec 2

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

9:45 pm - 10:00 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 15mnonstop

$580British Airways

Fri, Nov 6 - Sat, Nov 14

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

9:45 pm - 10:00 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 15mnonstop

$580Iberia

Sun, Dec 6 - Sun, Dec 13

3:50 pm - 7:15 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$580KLM

Sun, Oct 11 - Sun, Oct 18

3:50 pm - 7:15 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$580Delta

Thu, Oct 15 - Sun, Oct 18

4:20 pm - 5:29 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

30h 09m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

9:40 am - 6:20 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

39h 40m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

$580Virgin Atlantic

Fri, Oct 16 - Sun, Nov 1

11:30 am - 6:50 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

12h 20m1 stop Madrid Barajas

7:15 pm - 9:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

10h 25m1 stop Charlotte Douglas

$584American Airlines

Tue, Oct 20 - Mon, Oct 26

11:30 am - 7:00 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

12h 30m1 stop Madrid Barajas

1:23 pm - 9:10 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

14h 47m2 stops Charlotte Douglas New York John F Kennedy Intl

$585American Airlines

Thu, Oct 15 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

2:00 pm - 5:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:25 pm - 10:50 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 25mnonstop

$580British Airways

Fri, Sep 11 - Thu, Sep 24

3:50 pm - 10:59 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

12h 09m1 stop New York John F Kennedy Intl

5:05 pm - 8:50 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

10h 45m1 stop New York John F Kennedy Intl

$581Virgin Atlantic

Sat, Sep 12 - Sat, Sep 26

4:00 pm - 7:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$581Delta

Fri, Sep 11 - Thu, Sep 24

7:45 pm - 5:46 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

27h 01m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

6:05 am - 1:45 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

26h 40m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

$581Virgin Atlantic

Sun, Sep 13 - Wed, Oct 14

7:45 pm - 5:46 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

27h 01m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

6:26 pm - 10:20 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

10h 54m1 stop New York John F Kennedy Intl

$582Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

7:45 pm - 5:46 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

27h 01m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$584Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

1:25 pm - 10:40 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

14h 15m1 stop Atlanta Hartsfield-Jackson

7:40 pm - 1:15 pmDCA Washington, D.C. Reagan-National-LHR London Heathrow

12h 35m1 stop Atlanta Hartsfield-Jackson

$585Delta

Fri, Sep 11 - Mon, Sep 14

3:00 pm - 9:59 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

11h 59m1 stop Charlotte Douglas

6:00 am - 9:40 pmDCA Washington, D.C. Reagan-National-LHR London Heathrow

10h 40m1 stop New York John F Kennedy Intl

$585British Airways

Thu, Sep 10 - Thu, Sep 17

2:00 pm - 5:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:25 pm - 10:50 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 25mnonstop

$605American Airlines

Fri, Sep 11 - Tue, Sep 15

2:00 pm - 5:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

6:05 pm - 6:15 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 10mnonstop

$605American Airlines

Thu, Sep 10 - Thu, Nov 12

Cheap direct flights

Enter your travel dates to find the best prices.

4:00 pm - 7:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$578Virgin Atlantic

Fri, Oct 9 - Sun, Oct 18

3:50 pm - 7:15 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$580Delta

Thu, Oct 15 - Sun, Oct 18

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

6:05 pm - 6:15 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 10mnonstop

$580British Airways

Tue, Nov 24 - Wed, Dec 2

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

9:45 pm - 10:00 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 15mnonstop

$580British Airways

Fri, Nov 6 - Sat, Nov 14

3:50 pm - 7:15 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$580KLM

Sun, Oct 11 - Sun, Oct 18

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

9:45 pm - 10:00 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 15mnonstop

$580Iberia

Sun, Dec 6 - Sun, Dec 13

4:00 pm - 7:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

$580Virgin Atlantic

Fri, Sep 18 - Sat, Oct 3

2:00 pm - 5:40 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 40mnonstop

7:30 pm - 7:55 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 25mnonstop

$580Delta

Fri, Nov 20 - Fri, Nov 27

12:15 pm - 3:40 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

6:05 pm - 6:15 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 10mnonstop

$603American Airlines

Fri, Nov 27 - Sun, Nov 29

12:15 pm - 3:40 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

6:05 pm - 6:15 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 10mnonstop

$603American Airlines

Tue, Dec 1 - Sun, Dec 13

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Lufthansa flights from London Heathrow Airport to Washington, D.C.

Our best Lufthansa deals on London Heathrow Airport to Washington, D.C. flight tickets

Lufthansa

Oct 6

LHR6:55 amLondon Heathrow

14h 10m

2 stops

IAD4:05 pmWashington, D.C. Dulles Intl

Oct 20

IAD10:10 pmWashington, D.C. Dulles Intl

15h 30m

1 stop

LHR6:40 pmLondon Heathrow

$621

Lufthansa

Oct 1

LHR6:00 pmLondon Heathrow

24h 58m

2 stops

BWI1:58 pmBaltimore/Washington

Oct 8

BWI7:10 pmBaltimore/Washington

30h 35m

1 stop

LHR6:45 amLondon Heathrow

$665

Delta flights from London Heathrow Airport to Washington, D.C.

Our best Delta deals on London Heathrow Airport to Washington, D.C. flight tickets

Delta

Oct 9

LHR8:40 amLondon Heathrow

11h 55m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Oct 18

IAD9:45 pmWashington, D.C. Dulles Intl

11h 00m

1 stop

LHR1:45 pmLondon Heathrow

$578

Delta

Sep 21

LHR3:50 pmLondon Heathrow

8h 25m

IAD7:15 pmWashington, D.C. Dulles Intl

Nov 11

IAD6:55 pmWashington, D.C. Dulles Intl

7h 25m

LHR7:20 amLondon Heathrow

$580

Delta

Oct 31

LHR11:45 amLondon Heathrow

8h 40m

IAD4:25 pmWashington, D.C. Dulles Intl

Nov 9

IAD6:55 pmWashington, D.C. Dulles Intl

7h 25m

LHR7:20 amLondon Heathrow

$581

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Fri 10/9

8:40 am-3:35 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Sun 10/18

9:45 pm-1:45 pm

1 stop11h 00m

$578

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Fri 10/9

4:00 pm-7:25 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 10/18

10:05 pm-10:40 am

Nonstop7h 35m

$578

Quickest round-trip

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Tue 11/24

4:25 pm-7:55 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

Wed 12/2

6:05 pm-6:15 am

Nonstop7h 10m

$580

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Fri 11/6

4:25 pm-7:55 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

Sat 11/14

9:45 pm-10:00 am

Nonstop7h 15m

$580

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Sun 12/6

4:25 pm-7:55 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

Sun 12/13

9:45 pm-10:00 am

Nonstop7h 15m

$580

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Sun 10/11

3:50 pm-7:15 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 10/18

10:05 pm-10:40 am

Nonstop7h 35m

$580

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Thu 10/15

3:50 pm-7:15 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 10/18

10:05 pm-10:40 am

Nonstop7h 35m

$580

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Fri 10/16

4:20 pm-5:29 pm

2 stops30h 09m

Washington, D.C. Reagan-National

Sun 11/1

9:40 am-6:20 am

2 stops39h 40m

$580

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Tue 10/20

11:30 am-6:50 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 10/26

7:15 pm-9:40 am

1 stop10h 25m

$584

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Thu 10/15

11:30 am-7:00 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Mon 10/19

1:23 pm-9:10 am

2 stops14h 47m

$585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Layovers

Other information

What is the typical price of a round-trip flight between London Heathrow Airport and Washington, D.C.?

Prices are currently typical for flights on this route.

Typical prices usually range from $574 to $729.
The lowest price recently found on this route was $578.

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

The month of February is, on average, the cheapest month to fly to Washington, D.C. from London Heathrow Airport, with most prices found around $638. If you’re not able to fly to Washington, D.C. in February, then September is your next best option. Flight prices from London Heathrow Airport to Washington, D.C. during September average around $650.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from London Heathrow Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $746. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Washington, D.C. for around $842.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Washington, D.C. when you can find flight prices for as low as $773. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $805. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from London Heathrow to Baltimore/Washington for the best London Heathrow - Washington, D.C. flight prices

How far in advance should I book a flight from London Heathrow Airport to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $727 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from London Heathrow Airport for as low as $640 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow Airport 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 Heathrow Airport to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Washington, D.C..

How have London Heathrow Airport to Washington, D.C. flight prices changed over time?

As of September 2026, prices for London Heathrow Airport to Washington, D.C. flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport 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 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	$317
Fastest flight time	8h 10m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from London Heathrow Airport in the past 72 hours is $317. The best round-trip flight deal from London Heathrow Airport to Washington, D.C. found on momondo in the last 72 hours is $578.

The fastest flight from London Heathrow Airport to Washington, D.C. takes 8h 10m

Direct flights go from London Heathrow Airport to Washington, D.C. on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is British Airways.

There are 2 airports in Washington, D.C.. From London Heathrow Airport there are direct flights to Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

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Frequently asked questions about flying from London Heathrow Airport to Washington, D.C.

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 8h 10m.
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.?
As of September 2026, there are 9 operators available to choose from 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.
What is the most popular plane model from London Heathrow Airport to Washington, D.C.?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Washington, D.C. is Boeing 777, representing 49.64% of all bookings. The subsequent popular models are Boeing 777-300ER at 13.87%, Boeing 787-9 Dreamliner at 6.27%, and Airbus A330-900neo at 5.69%.
What is the most popular airline from London Heathrow Airport to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Washington, D.C. is British Airways, representing 30% of all bookings. The subsequent popular airlines are United Airlines at 17%, Lufthansa at 16%, and American Airlines at 11%.

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
Icelandair	PriceFrom $535	Free Cancellation	Rating 6.9 741 reviews	Search Icelandair flights
Lufthansa	PriceFrom $556	Free Cancellation	Rating 6.8 8,216 reviews	Search Lufthansa flights
American Airlines	PriceFrom $559	Free Cancellation	Rating 7.1 12,041 reviews	Search American Airlines flights
British Airways	PriceFrom $566	Free Cancellation	Rating 6.7 8,211 reviews	Search British Airways flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 10,179 reviews	Search United Airlines flights
Austrian Airlines	PriceFrom $567	Free Cancellation	Rating 7.6 953 reviews	Search Austrian Airlines flights
Delta	PriceFrom $591	Free Cancellation	Rating 7.8 8,548 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $627	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
Aer Lingus	PriceFrom $658	Free Cancellation	Rating 7.3 1,751 reviews	Search Aer Lingus flights

Delta Flights From London Heathrow Airport to Washington, D.C.
Delta flies from London Heathrow Airport to Washington, D.C. around 3 times per week, with 8,548 momondo users rating the airline 7.8/10. The cheapest Delta deal from London Heathrow Airport to Washington, D.C. in the last 72 hours was $591 (round-trip), much lower than the average airfare cost of $872 for Delta flights on this route.
Austrian Airlines Flights From London Heathrow Airport to Washington, D.C.
Across 954 Austrian Airlines reviews on momondo, the average score is 7.6/10. Austrian Airlines flies from London Heathrow Airport to Washington, D.C. about 12 times each week, with ticket deals ranging from $567 to $822. Price data is based on momondo searches in the last 72 hours.

Alexandria

National Harbor

Arlington

Gettysburg

Laurel

Waldorf

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Fairfax

Springfield

Colonial Beach

Glen Burnie

Edgewood

Bethesda

College Park

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.

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Cheap flights from London Heathrow Airport to Washington, D.C. from $317

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Lufthansa flights from London Heathrow Airport to Washington, D.C.

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How to get the cheapest flight ticket from London Heathrow Airport to Washington, D.C.

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

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

How far in advance should I book a flight from London Heathrow Airport to Washington, D.C.?

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

How have London Heathrow Airport to Washington, D.C. flight prices changed over time?

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

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Which airline has the best punctuality record on London to Washington, D.C. flights?

Which airport is the most popular layover for flights between London Heathrow Airport and Washington, D.C.?

Which layover airport offers the lowest fares from London Heathrow Airport to Washington, D.C.?

Which layover airport has the shortest travel time from London Heathrow Airport to Washington, D.C.?

Which layover airport has the shortest connection time from London Heathrow Airport to Washington, D.C.?

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

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

When to book flights from London Heathrow Airport to Washington, D.C.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

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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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