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: 60% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $578.

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

30 flights are operational daily from London Heathrow Airport to Washington, D.C. as of August 2026. The most popular departure time for this route is 12:00PM, with 100% of flights per day taking off in the afternoon.

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

Saturday 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 week?

214 flights are operational weekly from London Heathrow Airport to Washington, D.C. as of August 2026. The most popular departure day for this route is Thu, with 16% 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 10 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

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

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 139 minutes.

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

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 10h 50m.

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

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

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

As of August 2026, there are 10 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.

$274 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.

1:05 pm - 7:20 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

11h 15m1 stop Reykjavik Keflavik Intl

11:20 pm - 8:20 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

16h 00m1 stop Reykjavik Keflavik Intl

$580Icelandair

Thu, Sep 24 - Wed, Oct 7

7:30 am - 3:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

13h 25m1 stop Frankfurt am Main

6:20 pm - 6:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 20mnonstop

$580United Airlines

Wed, Dec 16 - Thu, Dec 31

12:05 pm - 3:40 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

6:20 pm - 6:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 20mnonstop

$580Lufthansa

Wed, Nov 11 - Tue, Nov 17

4:40 pm - 8:15 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

9:55 am - 8:35 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

17h 40m1 stop Toronto Pearson Intl

$580Multiple Airlines

Wed, Sep 9 - Thu, Oct 1

6:55 am - 3:05 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

13h 10m1 stop Munich Franz Josef Strauss

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

7h 30mnonstop

$582Lufthansa

Mon, Sep 7 - Sat, Sep 12

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

$582Virgin Atlantic

Sun, Oct 4 - Sun, Oct 18

8:40 am - 4:45 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

13h 05m1 stop Zurich

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

7h 35mnonstop

$582United Airlines

Mon, Oct 5 - Tue, Oct 6

4:20 pm - 10:59 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

11h 39m1 stop New York John F Kennedy Intl

5:15 pm - 9:15 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

11h 00m1 stop Boston Logan Intl

$587Virgin Atlantic

Sat, Oct 3 - Sun, Oct 11

12:30 pm - 7:33 pmLHR London Heathrow-BWI Baltimore/Washington

12h 03m1 stop Charlotte Douglas

2:54 pm - 6:55 amBWI Baltimore/Washington-LHR London Heathrow

11h 01m1 stop Charlotte Douglas

$655Finnair

Wed, Sep 16 - Wed, Sep 23

9:25 pm - 10:15 pmLHR London Heathrow-BWI Baltimore/Washington

29h 50m1 stop Reykjavik Keflavik Intl

11:35 pm - 10:50 amBWI Baltimore/Washington-LHR London Heathrow

31h 15m1 stop Reykjavik Keflavik Intl

$655Icelandair

Fri, Oct 16 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

9:25 pm - 7:20 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

26h 55m1 stop Reykjavik Keflavik Intl

8:30 pm - 8:20 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

18h 50m1 stop Reykjavik Keflavik Intl

$580Icelandair

Tue, Aug 25 - Mon, Aug 31

8:25 pm - 7:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

28h 00m1 stop Munich Franz Josef Strauss

5:40 pm - 6:30 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

31h 50m1 stop Montreal Pierre Elliott Trudeau Intl

$593Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

7:30 pm - 2:35 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

24h 05m1 stop Vienna Intl

6:30 pm - 6:55 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 25mnonstop

$605Austrian Airlines

Wed, Aug 26 - Sun, Sep 6

7:30 pm - 2:35 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

24h 05m1 stop Vienna Intl

10:15 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 25mnonstop

$605Austrian Airlines

Wed, Aug 26 - Sat, Sep 5

10:50 am - 7:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

13h 35m1 stop Munich Franz Josef Strauss

6:35 pm - 6:55 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 20mnonstop

$607Lufthansa

Tue, Aug 25 - Thu, Sep 10

6:55 am - 7:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

17h 30m1 stop Munich Franz Josef Strauss

5:26 pm - 12:25 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

13h 59m1 stop Denver Intl

$607Lufthansa

Tue, Aug 25 - Mon, Aug 31

9:30 am - 3:38 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

11h 08m1 stop Montreal Pierre Elliott Trudeau Intl

12:55 pm - 6:30 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

12h 35m1 stop Ottawa

$616Air Canada

Tue, Aug 25 - Thu, Sep 10

8:30 am - 6:12 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

14h 42m1 stop Toronto Pearson Intl

8:40 pm - 9:00 pmDCA Washington, D.C. Reagan-National-LHR London Heathrow

19h 20m2 stops Toronto Pearson Intl Halifax Intl

$671Air Canada

Mon, Aug 24 - Mon, Aug 31

9:45 am - 8:59 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

16h 14m1 stop Chicago O'Hare Intl

4:59 pm - 8:00 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

10h 01m1 stop Boston Logan Intl

$695Iberia

Tue, Aug 25 - Wed, Sep 2

1:05 pm - 7:25 pmLHR London Heathrow-BWI Baltimore/Washington

11h 20m1 stop Reykjavik Keflavik Intl

8:30 pm - 11:55 amBWI Baltimore/Washington-LHR London Heathrow

10h 25m1 stop Reykjavik Keflavik Intl

$772Icelandair

Tue, Aug 25 - Mon, Sep 14

Cheap direct flights

Enter your travel dates to find the best prices.

12:05 pm - 3:40 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

6:20 pm - 6:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 20mnonstop

$580Lufthansa

Wed, Nov 11 - Tue, Nov 17

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

$582Virgin Atlantic

Sun, Oct 4 - 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

$589Virgin Atlantic

Thu, Sep 17 - Wed, Sep 23

12:05 pm - 3:40 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

10:30 pm - 10:50 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 20mnonstop

$590Lufthansa

Tue, Feb 9 - Thu, Feb 25

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

$591British Airways

Sat, Nov 21 - Sun, Jan 17

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

$591British Airways

Wed, Nov 11 - Tue, Nov 17

1:20 pm - 5:00 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

$591KLM

Mon, Dec 21 - Fri, Jan 8

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

$594Air France

Fri, Sep 18 - Fri, Oct 9

12:05 pm - 3:40 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 35mnonstop

6:20 pm - 6:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 20mnonstop

$597Austrian Airlines

Fri, Dec 11 - Fri, Jan 15

4:40 pm - 8:20 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 40mnonstop

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

7h 35mnonstop

$597Austrian Airlines

Fri, Oct 16 - Fri, Oct 23

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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

Dec 16

LHR10:00 amLondon Heathrow

10h 55m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

Dec 29

IAD12:55 pmWashington, D.C. Dulles Intl

12h 30m

1 stop

LHR6:25 amLondon Heathrow

$597

Delta

Sep 17

LHR8:40 amLondon Heathrow

11h 55m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Sep 23

IAD10:05 pmWashington, D.C. Dulles Intl

7h 35m

LHR10:40 amLondon Heathrow

$598

Delta

Sep 1

LHR9:55 amLondon Heathrow

10h 40m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Sep 8

IAD10:05 pmWashington, D.C. Dulles Intl

7h 35m

LHR10:40 amLondon Heathrow

$601

Air Canada flights from London Heathrow Airport to Washington, D.C.

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

Air Canada

Sep 5

LHR9:30 amLondon Heathrow

11h 08m

1 stop

DCA3:38 pmWashington, D.C. Reagan-National

Sep 10

DCA8:40 pmWashington, D.C. Reagan-National

10h 10m

1 stop

LHR11:50 amLondon Heathrow

$584

Air Canada

Sep 8

LHR9:30 amLondon Heathrow

11h 10m

1 stop

DCA3:40 pmWashington, D.C. Reagan-National

Sep 16

DCA4:20 pmWashington, D.C. Reagan-National

12h 40m

1 stop

LHR10:00 amLondon Heathrow

$586

Air Canada

Nov 19

LHR6:50 amLondon Heathrow

20h 09m

2 stops

DCA9:59 pmWashington, D.C. Reagan-National

Jan 17

DCA11:05 amWashington, D.C. Reagan-National

15h 05m

1 stop

LHR7:10 amLondon Heathrow

$588

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

Thu 9/24

1:05 pm-7:20 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

Wed 10/7

11:20 pm-8:20 pm

1 stop16h 00m

$580

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Wed 12/16

7:30 am-3:55 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Thu 12/31

6:20 pm-6:40 am

Nonstop7h 20m

$580

Quickest round-trip

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Wed 11/11

12:05 pm-3:40 pm

Nonstop8h 35m

Washington, D.C. Dulles Intl

Tue 11/17

6:20 pm-6:40 am

Nonstop7h 20m

$580

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Wed 9/9

4:40 pm-8:15 pm

Nonstop8h 35m

Washington, D.C. Dulles Intl

Thu 10/1

9:55 am-8:35 am

1 stop17h 40m

$580

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Mon 9/7

6:55 am-3:05 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Sat 9/12

10:10 pm-10:40 am

Nonstop7h 30m

$582

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sun 10/4

3:50 pm-7:15 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Sun 10/18

10:05 pm-10:40 am

Nonstop7h 35m

$582

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Mon 10/5

8:40 am-4:45 pm

1 stop13h 05m

Washington, D.C. Dulles Intl

Tue 10/6

10:05 pm-10:40 am

Nonstop7h 35m

$582

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Sat 10/3

4:20 pm-10:59 pm

1 stop11h 39m

Washington, D.C. Reagan-National

Sun 10/11

5:15 pm-9:15 am

1 stop11h 00m

$587

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Wed 9/16

12:30 pm-7:33 pm

1 stop12h 03m

Baltimore/Washington

Wed 9/23

2:54 pm-6:55 am

1 stop11h 01m

$655

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Fri 10/16

9:25 pm-10:15 pm

1 stop29h 50m

Baltimore/Washington

Sat 10/24

11:35 pm-10:50 am

1 stop31h 15m

$655

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 low for flights on this route.

Typical prices usually range from $616 to $780.
The lowest price recently found on this route was $580.

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 $636. 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 $644.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $739. 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 $836.

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 $774. 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 $802. 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 $726 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?

You could potentially save up to 3% on your flight if you consider stops on a London Heathrow Airport to Washington, D.C. flight.

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

As of August 2026, prices for London Heathrow Airport to Washington, D.C. flights are approximately 30% 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	$274
Fastest flight time	8h 05m
Direct flights	Every day
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 $274. The best round-trip flight deal from London Heathrow Airport to Washington, D.C. found on momondo in the last 72 hours is $580.

The fastest flight from London Heathrow Airport to Washington, D.C. takes 8h 05m

Direct flights go from London Heathrow Airport to Washington, D.C. every day.

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).

Search flight deals

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 05m.
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 August 2026, there are 10 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 51.54% of all bookings. The subsequent popular models are Boeing 777-300ER at 15.34%, Boeing 787-9 Dreamliner at 8.80%, and Boeing 767-400 at 4.18%.
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 20%, Lufthansa at 14%, 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
Lufthansa	PriceFrom $536	Free Cancellation	Rating 6.8 8,205 reviews	Search Lufthansa flights
Icelandair	PriceFrom $544	Free Cancellation	Rating 6.9 732 reviews	Search Icelandair flights
American Airlines	PriceFrom $559	Free Cancellation	Rating 7.1 11,990 reviews	Search American Airlines flights
British Airways	PriceFrom $566	Free Cancellation	Rating 6.7 8,184 reviews	Search British Airways flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 10,112 reviews	Search United Airlines flights
Austrian Airlines	PriceFrom $567	Free Cancellation	Rating 7.6 949 reviews	Search Austrian Airlines flights
Air Canada	PriceFrom $635	Free Cancellation	Rating 7.1 11,515 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom $640	Free Cancellation	Rating 7.4 695 reviews	Search Virgin Atlantic flights
Aer Lingus	PriceFrom $658	Free Cancellation	Rating 7.3 1,714 reviews	Search Aer Lingus flights
Delta	PriceFrom $659	Free Cancellation	Rating 7.8 8,517 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 6 times per week, with 8,517 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 $659 (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 949 Austrian Airlines reviews on momondo, the average score is 7.6/10. Austrian Airlines flies from London Heathrow Airport to Washington, D.C. about 14 times each week, with ticket deals ranging from $567 to $822. Price data is based on momondo searches in the last 72 hours.

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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.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from London Heathrow Airport to Washington, D.C. from $274

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Delta 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.

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

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.?

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

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.?

What airlines fly to Washington, D.C.?

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

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

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.

Cheap London Heathrow Airport to Washington, D.C. (LHR to WAS) flight deals and tips

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Traveling to a place near Washington, D.C.?

Why use momondo?

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.

Get notified when prices go down

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

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.

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List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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