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Washington, D.C.

$399+ Cheap flights from Heathrow (LHR) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — WAS
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from London Heathrow to Washington, D.C. are usually found in January or September, booked 73 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Heathrow to Washington, D.C.

Cheapest flights from Heathrow to Washington, D.C.
Explore the most affordable flight options available from Heathrow to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.

This deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:05 pm
LHR
-
IAD
Nonstop8h 15m
British Airways
Tue 7/2810:25 pm
IAD
-
LHR
Nonstop7h 25m
British Airways
Deal found 5/4$583
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:35 pm
LHR
-
IAD
Nonstop8h 20m
British Airways
Sat 9/1210:25 pm
IAD
-
LHR
Nonstop7h 25m
British Airways
Deal found 5/3$588
This Mytrip deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:25 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Thu 10/88:30 pm
IAD
-
LHR
1 stop18h 50m
Icelandair
Deal found 5/5$590
This deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:40 am
LHR
-
DCA
1 stop13h 03m
Delta
Tue 7/145:00 pm
DCA
-
LHR
1 stop12h 20m
Delta
Deal found 5/4$590
This The Travel House deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:05 pm
LHR
-
IAD
1 stop11h 15m
Icelandair
Sat 10/108:30 pm
IAD
-
LHR
1 stop10h 25m
Icelandair
Deal found 5/5$591
This deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/182:00 pm
LHR
-
IAD
Nonstop8h 30m
British Airways
Mon 6/227:20 pm
IAD
-
LHR
Nonstop7h 25m
British Airways
Deal found 5/4$592
This deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:20 pm
LHR
-
DCA
1 stop12h 01m
Delta
Mon 7/138:50 pm
DCA
-
LHR
1 stop11h 25m
Delta
Deal found 5/4$593
This deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:45 am
LHR
-
IAD
1 stop11h 47m
Delta
Mon 7/1310:21 am
IAD
-
LHR
1 stop15h 04m
Delta
Deal found 5/4$594
This deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:40 am
LHR
-
DCA
1 stop11h 28m
Delta
Mon 7/135:00 pm
DCA
-
LHR
1 stop12h 20m
Delta
Deal found 5/4$594
This Gotogate deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:25 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Wed 9/3011:20 pm
IAD
-
LHR
1 stop16h 00m
Icelandair
Deal found 5/2$596
This Gotogate deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:05 pm
LHR
-
IAD
1 stop11h 15m
Icelandair
Tue 9/228:30 pm
IAD
-
LHR
1 stop10h 25m
Icelandair
Deal found 5/5$597
This FlightHub deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:05 pm
LHR
-
IAD
1 stop11h 15m
Icelandair
Tue 10/208:30 pm
IAD
-
LHR
1 stop10h 25m
Icelandair
Deal found 5/4$598

Find flight deals from Heathrow to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$583

One-way from

$399

Popular in

July

Cheapest in

January

Average price

$764

Good round-trip deal

$692 or less

Good one-way deal

$754 or less
Provider with most accurate pricing for London Heathrow-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Washington, D.C. (WAS) flights.
Search Deals
From London Heathrow to Washington, D.C. (WAS)
Search Deals
One-way flight from London Heathrow to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from London Heathrow to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 5, 2026.
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

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Tue 9/15

6:50 am-5:29 pm

2 stops15h 39m

Baltimore/Washington

Tue 9/22

12:30 pm-7:15 am

2 stops13h 45m

$702

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Mon 9/21

6:15 am-9:50 pm

2 stops20h 35m

Baltimore/Washington

Sun 9/27

6:09 pm-6:55 am

1 stop31h 46m

$723

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Sat 9/19

9:30 am-9:28 pm

2 stops16h 58m

Baltimore/Washington

Sun 9/27

6:17 am-6:45 am

1 stop19h 28m

$729

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Fri 9/18

8:00 am-5:29 pm

1 stop14h 29m

Baltimore/Washington

Thu 10/1

8:15 am-7:15 am

2 stops18h 00m

$729

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 7/14

11:45 am-10:59 pm

2 stops16h 14m

Washington, D.C. Reagan-National

Wed 8/12

11:00 am-6:20 am

1 stop14h 20m

$735

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 7/16

9:40 am-5:49 pm

1 stop13h 09m

Washington, D.C. Reagan-National

Wed 8/12

6:35 pm-10:40 am

1 stop11h 05m

$736

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 9/9

9:55 am-3:35 pm

1 stop10h 40m

Washington, D.C. Dulles Intl

Mon 9/14

10:55 pm-11:20 am

Nonstop7h 25m

$737

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 7/21

11:45 am-10:09 am

1 stop27h 24m

Washington, D.C. Reagan-National

Fri 8/7

6:30 pm-11:20 am

1 stop11h 50m

$737

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 6/18

8:40 am-3:35 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Thu 7/9

10:55 pm-11:20 am

Nonstop7h 25m

$743

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 7/14

3:50 pm-10:59 pm

1 stop12h 09m

Washington, D.C. Reagan-National

Wed 8/12

5:00 pm-10:40 am

1 stop12h 40m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Heathrow to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Washington, D.C. in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
GurufarePrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Washington, D.C.

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

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Washington, D.C.?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. (average of $354). Flying from London Heathrow Airport to Washington, D.C. in April is currently the most expensive (average of $1,252). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to WAS?

Find hourly flight availability from Heathrow to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 5, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Washington, D.C. as you normally would.

Weekly flight availability from London Heathrow Airport to Washington, D.C.

Explore weekly flight availability from Heathrow to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 5, 2026.

The most flights from LHR to WAS are scheduled on a Monday (28 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost to fly round-trip from London Heathrow Airport to Washington, D.C.?

What’s the top layover airport for flights from London Heathrow Airport to Washington, D.C.?

Share of 1-stop round-trip flights from London Heathrow Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Dublin (DUB) – chosen by Cheapflights users on 20% of 1-stop itineraries from London Heathrow Airport to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from London Heathrow Airport to Washington, D.C.?

Average round-trip fare for 1-stop flights from London Heathrow Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $509.

What’s the fastest layover option from London Heathrow Airport to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from London Heathrow Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 11h 15m.

Which airport typically offers the quickest layover for flights from London Heathrow Airport to Washington, D.C.?

Average layover duration for 1-stop one-way flights from London Heathrow Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Lisbon (LIS) offer the fastest connection on this route, with an average layover time of 1h 23m.

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

About 18% of weekly flights between London and Washington, D.C. have experienced delays in the past year, with the average delay time being 126 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 11% of flights being delayed.

The best insider tips for London Heathrow Airport to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Washington, D.C. trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR and IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated May 5, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andVirgin Atlantic from London Heathrow Airport to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,460 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.9
Good
8,460 reviews
Delta
7.9
Good
8,460 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
United Airlines
7.4
Good
9,683 reviews
Delta
7.9
Good
8,460 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Virgin Atlantic
7.4
Good
688 reviews
Delta
7.9
Good
8,460 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
American Airlines
7.1
Good
11,670 reviews
Delta
7.9
Good
8,460 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
British Airways
6.7
Okay
7,944 reviews
Delta
7.9
Good
8,460 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Washington, D.C.?

    United Airlines, British Airways, and Delta can get you from London Heathrow Airport to Washington, D.C. in just under 15h 39m. Your travel time can differ by up to 4h 56m. The distance between London Heathrow Airport and Washington, D.C. is about 3622 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. round-trip?

    Currently priced at $320, Delta will fly you from London Heathrow Airport to Washington, D.C. and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and TAP AIR PORTUGAL - these airlines can fly you to your destination from $466 and $473, respectively. Delta is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Washington, D.C. one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $475. Users have also found prices from $485 and $491 on Virgin Atlantic and Aer Lingus, respectively.

  • What are the most popular routes from London Heathrow Airport to Washington, D.C.?

    When deciding which route to take from London Heathrow Airport to Washington, D.C. consider London Heathrow - Washington, D.C. Dulles Intl, London Heathrow - Baltimore/Washington or London Heathrow - Washington, D.C. Reagan-National as they are the most popular.

  • What are the most reliable airlines from London Heathrow Airport to Washington, D.C.?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Washington, D.C. on time: Air Canada (86%), Austrian Airlines (86%), Copa Airlines (86%).

  • What are the cheapest flights from London Heathrow Airport to Washington, D.C.?

    Looking at all options, your cheapest flight can be booked for $665. While the most popular route (London Heathrow - Washington, D.C. Dulles Intl) can be booked for $536 on average, our data indicates $1,549 when flying from London Heathrow Airport to Washington, D.C..

  • Can I find deals for flights from Heathrow to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Heathrow to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Washington, D.C..

  • Can I find deals for business class flights from Heathrow to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Heathrow to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. (average of $354). Flying from London Heathrow Airport to Washington, D.C. in April is currently the most expensive (average of $1,252). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
London City to Dulles Intl flights

Top 10 airlines flying from Heathrow to Washington, D.C.

Discover the top 10 airlines that operate flights from Heathrow to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$320Average$907FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$466Average$665FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$473Average$730FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$534Average$743FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$536Average$772FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$559Average$796FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$567Average$808FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$571Average$820FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$635Average$663FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$658Average$786FlexibilityNo cancel feeOn-timeN/A

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