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Washington, D.C.

$360+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — WAS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from London Heathrow to Washington, D.C. are usually found in February or January, booked 37 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap 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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

February

Round-trip from

$476
(Kiwi.com)

One-way from

$360
(Kiwi.com)
Provider with most accurate pricing for London Heathrow-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Washington, D.C. (WAS) flights.
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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 20% potential price drop
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From London Heathrow to Washington, D.C. (WAS)
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One-way flight from London Heathrow to Washington, D.C. (WAS)
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Find 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 November 21, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/53:10 pmLHR - BWI
2 stops30h 50mMultiple Airlines
Mon 12/97:30 pmBWI - LHR
1 stop10h 20mMultiple Airlines
Deal found 11/20$529
This The Travel House deal was found by Cheapflights users on 11/20. 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.
Sat 11/232:30 pmLHR - DCA
1 stop24h 49mLufthansa
Mon 11/256:00 amDCA - LHR
1 stop9h 35mLufthansa
Deal found 11/20$596
This JetBlue deal was found by Cheapflights users on 11/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/98:25 amLHR - DCA
1 stop11h 48mJetBlue
Mon 1/133:00 pmDCA - LHR
1 stop9h 55mJetBlue
Deal found 11/21$607
This United Airlines deal was found by Cheapflights users on 11/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/231:45 pmLHR - IAD
1 stop34h 44mUnited Airlines
Sun 11/2410:05 pmIAD - LHR
2 stops28h 05mUnited Airlines
Deal found 11/21$626
This Mytrip deal was found by Cheapflights users on 11/21. 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.
Wed 12/49:55 amLHR - IAD
2 stops33h 40mMultiple Airlines
Tue 12/108:45 pmIAD - LHR
2 stops18h 20mMultiple Airlines
Deal found 11/21$633
This Gotogate deal was found by Cheapflights users on 11/20. 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 11/268:40 pmLHR - IAD
1 stop26h 45mIcelandair
Tue 12/107:40 pmIAD - LHR
1 stop18h 50mIcelandair
Deal found 11/20$640
This Gotogate deal was found by Cheapflights users on 11/21. 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 12/96:30 pmLHR - IAD
1 stop25h 00mTAP AIR PORTUGAL
Mon 1/137:15 pmIAD - LHR
1 stop22h 25mTAP AIR PORTUGAL
Deal found 11/21$646
This Mytrip deal was found by Cheapflights users on 11/20. 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 12/58:50 pmLHR - DCA
3 stops29h 10mMultiple Airlines
Mon 12/94:00 pmDCA - LHR
2 stops23h 05mMultiple Airlines
Deal found 11/20$646
This Gotogate deal was found by Cheapflights users on 11/19. 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 12/38:40 pmLHR - BWI
1 stop26h 50mIcelandair
Tue 12/107:30 pmBWI - LHR
1 stop19h 00mIcelandair
Deal found 11/19$650
This Austrian Airlines deal was found by Cheapflights users on 11/20. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/51:35 pmLHR - IAD
1 stop31h 38mAustrian Airlines
Sat 12/74:10 pmIAD - LHR
1 stop34h 15mAustrian Airlines
Deal found 11/20$651
This Gotogate deal was found by Cheapflights users on 11/20. 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.
Thu 12/58:50 amLHR - IAD
1 stop11h 50mAer Lingus
Mon 12/95:10 pmIAD - LHR
1 stop9h 55mAer Lingus
Deal found 11/20$663
This The Travel House deal was found by Cheapflights users on 11/20. 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.
Wed 12/114:30 pmLHR - BWI
2 stops25h 25mFinnair
Sat 1/118:30 pmBWI - LHR
Nonstop7h 10mFinnair
Deal found 11/20$672

Find flights from Heathrow to Washington, D.C. within your budget

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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Thu 3/6

7:25 am-5:00 pm

1 stop14h 35m

Baltimore/Washington

Tue 3/11

7:10 pm-3:00 pm

1 stop15h 50m

$476

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 1/13

8:25 am-4:00 pm

1 stop12h 35m

Washington, D.C. Reagan-National

Mon 1/20

7:59 am-5:55 am

1 stop16h 56m

$541

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 2/17

6:30 pm-2:30 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Sat 2/22

5:30 pm-3:30 pm

1 stop17h 00m

$545

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 4/24

7:25 am-7:17 am

1 stop28h 52m

Washington, D.C. Reagan-National

Sun 4/27

5:10 pm-9:30 am

1 stop11h 20m

$551

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 1/13

12:15 pm-6:25 pm

1 stop11h 10m

Washington, D.C. Dulles Intl

Mon 1/20

7:40 pm-10:50 am

1 stop10h 10m

$556

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 3/5

7:30 am-5:00 pm

1 stop14h 30m

Washington, D.C. Dulles Intl

Tue 3/11

7:10 pm-3:00 pm

1 stop15h 50m

$557

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Wed 1/8

8:40 pm-6:30 pm

1 stop26h 50m

Baltimore/Washington

Wed 1/29

7:30 pm-7:30 pm

1 stop19h 00m

$580

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 3/15

11:10 am-8:57 am

1 stop25h 47m

Washington, D.C. Reagan-National

Fri 3/21

7:00 am-8:35 pm

1 stop9h 35m

$612

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 3/15

6:00 pm-9:46 am

1 stop19h 46m

Washington, D.C. Dulles Intl

Sun 3/23

11:50 pm-11:05 am

Nonstop7h 15m

$613

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 12/5

8:50 pm-9:00 pm

3 stops29h 10m

Washington, D.C. Reagan-National

Mon 12/9

4:00 pm-8:05 pm

2 stops23h 05m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 51 results
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust 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.

Travel insights for flights from Heathrow to Washington, D.C.

Get recent, data-driven insights about flights from Heathrow to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Washington, D.C.. Price data was last updated on November 15, 2024.

Booking 37 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. (average of $299). Flying from London Heathrow Airport to Washington, D.C. in June is currently the most expensive (average of $377). 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 November 21, 2024.

When flying from London Heathrow Airport to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight in the afternoon.

What is the cheapest day to fly from London Heathrow Airport to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Heathrow to Washington, D.C.. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their London Heathrow Airport to Washington, D.C. flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 21, 2024.

The most flights from LHR to WAS are scheduled on a Wednesday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 November 21, 2024.
Peruse reviews from past customers who have flown with TAP AIR PORTUGAL, Austrian Airlines and Scandinavian Airlines from London to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,755 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,755 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Currently priced at $541, JetBlue will fly you from London Heathrow Airport to Washington, D.C. and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from TAP AIR PORTUGAL and Icelandair - these airlines can fly you to your destination from $545 and $551, respectively. JetBlue is 29% 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 Icelandair. According to our data, you can fly for as low as $469. Users have also found prices from $524 and $559 on TAP AIR PORTUGAL 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 (82%), Austrian Airlines (82%), Copa Airlines (82%).

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

    Looking at all options, your cheapest flight can be booked for $672. While the most popular route (London Heathrow - Washington, D.C. Dulles Intl) can be booked for $485 on average our data indicates $1,450 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. (average of $299). Flying from London Heathrow Airport to Washington, D.C. in June is currently the most expensive (average of $377). 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

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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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$350Average$473FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$517Average$762FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$525Average$682FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$538Average$808FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$562Average$864FlexibilityNo cancel feeOn-time72%
IberiaCheapest$581Average$850FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$587Average$928FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$590Average$875FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$598Average$814FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$608Average$858FlexibilityNo cancel feeOn-time78%
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