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Washington, D.C.

$260+ Cheap flights from London (LON) 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LON — WAS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from London to Washington, D.C. are usually found in February or September, booked 78 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

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

Cheapest flights from London to Washington, D.C.
Explore the most affordable flight options available from London to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This TravelUp deal was found by Cheapflights users on 10/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:25 amLHR - DCA
1 stop20h 33mJetBlue
Tue 12/93:40 pmDCA - LHR
1 stop10h 15mJetBlue
Deal found 10/30$550
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/202:00 pmLGW - IAD
1 stop22h 50mMultiple Airlines
Tue 12/25:30 pmIAD - LGW
2 stops18h 25mMultiple Airlines
Deal found 10/29$551
This TravelUp deal was found by Cheapflights users on 10/29. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:05 amLHR - DCA
1 stop11h 31mJetBlue
Mon 12/16:15 amDCA - LHR
1 stop9h 30mJetBlue
Deal found 10/29$562
This Flightnetwork deal was found by Cheapflights users on 10/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amLHR - IAD
1 stop13h 35mTAP AIR PORTUGAL
Tue 12/95:30 pmIAD - LHR
1 stop23h 05mTAP AIR PORTUGAL
Deal found 10/29$565
This TravelUp deal was found by Cheapflights users on 10/29. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:25 amLHR - DCA
1 stop20h 33mJetBlue
Sun 12/76:59 pmDCA - LHR
1 stop30h 56mJetBlue
Deal found 10/29$568
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Sat 12/66:30 pmLHR - IAD
1 stop31h 30mTAP AIR PORTUGAL
Sun 1/2510:30 pmIAD - LHR
1 stop18h 05mTAP AIR PORTUGAL
Deal found 10/30$569
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/242:00 pmLGW - IAD
1 stop22h 45mMultiple Airlines
Mon 12/86:58 pmIAD - LGW
2 stops30h 02mMultiple Airlines
Deal found 10/29$570
This The Travel House deal was found by Cheapflights users on 10/30. 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 12/109:20 amLHR - DCA
1 stop11h 40mIcelandair
Sun 12/148:49 pmDCA - LHR
1 stop29h 06mIcelandair
Deal found 10/30$570
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Fri 11/211:55 pmSTN - IAD
2 stops31h 10mMultiple Airlines
Tue 11/256:05 pmIAD - STN
2 stops21h 10mMultiple Airlines
Deal found 10/29$575
This Mytrip deal was found by Cheapflights users on 10/29. 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 12/38:40 pmSTN - IAD
2 stops23h 35mMultiple Airlines
Mon 12/85:30 pmIAD - STN
2 stops15h 35mMultiple Airlines
Deal found 10/29$577
This Mytrip deal was found by Cheapflights users on 10/30. 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 12/42:35 pmSTN - IAD
2 stops30h 30mMultiple Airlines
Wed 12/106:05 pmIAD - STN
2 stops20h 35mMultiple Airlines
Deal found 10/30$579
This TravelUp deal was found by Cheapflights users on 10/29. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:20 pmLHR - DCA
1 stop31h 39mJetBlue
Wed 12/36:00 amDCA - LHR
1 stop10h 40mJetBlue
Deal found 10/29$580

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

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 October 30, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$541
(Justfly.com)

One-way from

$260
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$745

Good round-trip deal

$569 or less

Good one-way deal

$686 or less
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
Search Deals
From London (LON) to Washington, D.C. (WAS)
Search Deals
One-way flight from London (LON) to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from London (LON) to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 October 30, 2025.
Use the filters below to find and compare flights from London to Washington, D.C. that are best for you.

Fly from

London

Fly to

Washington, D.C.

Route

Depart

Return

Price

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 12/4

2:35 pm-4:05 pm

2 stops30h 30m

Washington, D.C. Dulles Intl

Wed 12/10

6:05 pm-7:40 pm

2 stops20h 35m

$579

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Fri 11/21

3:00 pm-4:05 pm

2 stops30h 05m

Washington, D.C. Dulles Intl

Tue 11/25

6:05 pm-8:15 pm

2 stops21h 10m

$582

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 1/20

9:20 am-9:51 pm

1 stop17h 31m

Washington, D.C. Reagan-National

Tue 2/3

1:00 pm-6:55 am

1 stop12h 55m

$587

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 12/3

9:20 am-9:03 pm

1 stop16h 43m

Washington, D.C. Reagan-National

Wed 12/10

9:45 am-6:55 am

1 stop16h 10m

$591

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 11/24

8:05 am-2:59 pm

1 stop11h 54m

Washington, D.C. Reagan-National

Tue 12/9

6:00 am-9:40 pm

1 stop10h 40m

$600

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 11/25

7:00 am-6:30 pm

1 stop16h 30m

Washington, D.C. Dulles Intl

Tue 12/9

7:40 pm-2:50 pm

1 stop14h 10m

$601

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Tue 11/11

9:00 am-3:35 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sun 11/16

5:05 pm-11:45 am

1 stop13h 40m

$609

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

Thu 12/4

9:20 pm-9:00 pm

2 stops28h 40m

Washington, D.C. Dulles Intl

Mon 12/8

5:30 pm-4:55 pm

2 stops18h 25m

$609

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 4/15

8:25 am-3:59 pm

1 stop12h 34m

Washington, D.C. Reagan-National

Wed 4/29

3:59 pm-6:30 am

1 stop9h 31m

$616

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Sat 12/13

6:30 am-5:04 pm

2 stops15h 34m

Baltimore/Washington

Sun 1/18

11:29 am-9:00 am

1 stop16h 31m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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Compare providers for flights from London 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 London to Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 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-Washington, D.C. flights, users find the pricing of OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on London-Washington, D.C. flight deals on Cheapflights vs. OneTravel >95% of the time. Price accuracy is based on data collected from London-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Washington, D.C. flights, Cheapflights users trust OneTravel the most. OneTravel 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-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 London to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from London 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 to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from London to Washington, D.C.. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from London to Washington, D.C., you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from London to Washington, D.C. (average of $305). Flying from London to Washington, D.C. in July is currently the most expensive (average of $641). 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 LON to WAS?

Find hourly flight availability from London 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from London to Washington, D.C. in the morning. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from London to Washington, D.C.. Price data was last updated on December 16, 2024.

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

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

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

Share of 1-stop round-trip flights from London 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 44% of 1-stop itineraries from London to Washington, D.C. on Cheapflights.

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

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

Dublin (DUB) is the most affordable 1-stop option, with an average round-trip price of $519.

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

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

Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 11h 00m.

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

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

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 21m.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London to Washington, D.C. trip
Airlines
British Airways

BA's Club Suite offers private pods with doors for enhanced privacy on long-haul flights.


BA's World Traveller Plus provides extra seat width, legroom, and upgraded service on long-haul flights.

Read more about British Airwaysby Gabriel Leigh
United Airlines

United's Polaris Business Class features lie-flat seats, large screens, and Saks Fifth Avenue bedding.


United's Premium Plus offers bigger seats, extra legroom, and upgraded meals on international flights.

Read more about United Airlinesby Harriet Baskas
Airports
LHR

Heathrow's strict security can cause delays. Ensure all liquids are in a single bag and remove suspicious items to avoid long waits.

Read more about LHRby Ramsey Qubein
IAD

Use the Silver Line Metro for a cost-effective trip to Washington, D.C. It takes under 40 minutes and is five minutes from the terminal.

Read more about IADby Ramsey Qubein
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

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 Baskas

Harriet Baskas

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

Ramsey Qubein

Ramsey Qubein

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 October 30, 2025.
Read through reviews of airlines operating flights from London to Washington, D.C., such as Delta, Virgin Atlantic, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Virgin Atlantic
7.5
Good
671 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
PLAY
7.0
Good
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Related info for your journey

Find useful and relevant information for your journey from London 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 to Washington, D.C.?

    For as low as $632, JetBlue can have you in Washington, D.C. from London in 15h 34m. The distance from London to Washington, D.C. is about 3622 mi. This flight may include one or multiple stops.

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

    Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $320. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and Austrian Airlines, with the lowest prices starting at $390 and $431, respectively. These flights start at 56% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $505 on JetBlue. Other airlines that offer cheap prices include Icelandair from $508 and Aer Lingus from $521 one-way.

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

    While some choose either London Heathrow - Baltimore/Washington or London Heathrow - Washington, D.C. Reagan-National, London Heathrow - Washington, D.C. Dulles Intl is the most popular route from London to Washington, D.C..

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

    Before booking your flight to Washington, D.C. from London, check out the most reliable airlines to get you to your destination on time: KLM (89%), Air France (89%), Delta( 89%).

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

    Looking at all options, your cheapest flight can be booked for $559. While the most popular route (London Heathrow - Washington, D.C. Dulles Intl) can be booked for $512 on average, our data indicates $1,459 when flying from London to Washington, D.C..

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from London to Washington, D.C. (average of $305). Flying from London to Washington, D.C. in July is currently the most expensive (average of $641). 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
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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 London 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
Gatwick to Reagan-National flights
Stansted to Dulles Intl flights
Luton to Dulles Intl flights
London City to Reagan-National flights
Edinburgh to Dulles Intl flights
Manchester to Dulles Intl flights
Manchester to Reagan-National flights
Edinburgh to Reagan-National flights
Newcastle upon Tyne to Dulles Intl flights
Birmingham to Dulles Intl flights
Birmingham to Reagan-National flights
Newcastle upon Tyne to Reagan-National flights
Leeds to Dulles Intl flights
Bristol to Dulles Intl flights
Southampton to Dulles Intl flights
Norwich to Dulles Intl flights
Exeter to Dulles Intl flights

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

Discover the top 10 airlines that operate flights from London 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$304Average$387FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$320Average$958FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$390Average$833FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$431Average$984FlexibilityNo cancel feeOn-time78%
TAP AIR PORTUGALCheapest$473Average$730FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$510Average$701FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$562Average$733FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$567Average$822FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$594Average$840FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$635Average$663FlexibilityNo cancel feeOn-time67%

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