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Washington, D.C.

$289+ Cheap flights from the United Kingdom 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — WAS
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
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Cheap flight deals from United Kingdom to Washington, D.C.

Cheapest flights from United Kingdom to Washington, D.C.
Explore the most affordable flight options available from United Kingdom to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/28:05 pm
LHR
-
IAD
1 stop25h 40m
Multiple Airlines
Sat 7/1110:15 pm
IAD
-
LHR
Nonstop7h 25m
Multiple Airlines
Deal found 6/22$596
This oojo deal was found by Cheapflights users on 6/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:40 am
LGW
-
IAD
1 stop14h 55m
TAP AIR PORTUGAL
Thu 12/35:25 pm
IAD
-
LGW
1 stop11h 25m
TAP AIR PORTUGAL
Deal found 6/23$596
This Air Canada deal was found by Cheapflights users on 6/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:00 am
LHR
-
DCA
2 stops15h 57m
Air Canada
Tue 12/111:00 am
DCA
-
LHR
1 stop15h 10m
Air Canada
Deal found 6/22$596
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:20 am
LCY
-
IAD
2 stops13h 59m
Virgin Atlantic
Mon 8/36:10 pm
IAD
-
LCY
1 stop9h 40m
Virgin Atlantic
Deal found 6/23$596
This Brussels Airlines deal was found by Cheapflights users on 6/22. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:50 am
LHR
-
IAD
1 stop11h 40m
Brussels Airlines
Fri 7/107:20 pm
IAD
-
LHR
1 stop36h 05m
Brussels Airlines
Deal found 6/22$597
This SWISS deal was found by Cheapflights users on 6/23. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:40 pm
LGW
-
IAD
1 stop27h 05m
SWISS
Sat 2/135:25 pm
IAD
-
LGW
1 stop11h 15m
SWISS
Deal found 6/23$597
This SWISS deal was found by Cheapflights users on 6/22. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:40 pm
LHR
-
IAD
1 stop27h 05m
SWISS
Wed 7/225:20 pm
IAD
-
LHR
1 stop18h 15m
SWISS
Deal found 6/22$598
This The Travel House deal was found by Cheapflights users on 6/22. 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.
Fri 8/289:30 am
LHR
-
IAD
1 stop11h 35m
Lufthansa
Fri 9/46:30 pm
IAD
-
LHR
Nonstop7h 25m
Lufthansa
Deal found 6/22$599
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:40 pm
LHR
-
IAD
Nonstop8h 20m
Lufthansa
Mon 9/76:30 pm
IAD
-
LHR
Nonstop7h 25m
Lufthansa
Deal found 6/22$600
This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:15 am
LCY
-
IAD
1 stop12h 30m
SWISS
Wed 7/225:40 pm
IAD
-
LCY
1 stop13h 55m
SWISS
Deal found 6/23$600
This Expedia deal was found by Cheapflights users on 6/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:30 am
LHR
-
IAD
1 stop12h 45m
Lufthansa
Tue 8/2510:15 pm
IAD
-
LHR
Nonstop7h 25m
Lufthansa
Deal found 6/23$601
This CheapOair deal was found by Cheapflights users on 6/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:50 am
LHR
-
DCA
2 stops16h 25m
Air Canada
Sun 10/184:20 pm
DCA
-
LHR
1 stop12h 40m
Air Canada
Deal found 6/22$601

Find flight deals from United Kingdom to Washington, D.C.

Keep the following information in mind while searching for United Kingdom to Washington, D.C. flight deals. Data was last updated June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(Booking.com)

One-way from

$289
(Virgin Atlantic)

Popular in

June

Cheapest in

February

Average price

$787

Good round-trip deal

$731 or less

Good one-way deal

$527 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 United Kingdom to Washington, D.C. (WAS)
Search Deals
One-way flight from United Kingdom to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from United Kingdom to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from United Kingdom 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 June 23, 2026.
Use the filters below to find and compare flights from the United Kingdom to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 7/10

9:15 am-4:45 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Wed 7/22

5:40 pm-12:35 pm

1 stop13h 55m

$600
Quickest round-trip

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sun 9/13

12:15 pm-3:30 pm

Nonstop8h 15m

Washington, D.C. Dulles Intl

Fri 9/25

6:35 pm-6:55 am

Nonstop7h 20m

$621

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 10/7

12:15 pm-3:30 pm

Nonstop8h 15m

Washington, D.C. Dulles Intl

Mon 10/12

6:35 pm-6:55 am

Nonstop7h 20m

$621

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 10/29

4:20 pm-9:15 pm

Nonstop8h 55m

Washington, D.C. Dulles Intl

Thu 11/5

10:15 pm-10:50 am

Nonstop7h 35m

$621

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 10/29

1:00 pm-9:00 pm

1 stop12h 00m

Washington, D.C. Reagan-National

Thu 11/5

7:00 am-9:20 pm

1 stop9h 20m

$624

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 7/9

9:15 am-4:13 pm

1 stop11h 58m

Washington, D.C. Reagan-National

Sun 7/19

3:23 pm-6:55 am

1 stop10h 32m

$626

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 7/10

9:15 am-4:13 pm

1 stop11h 58m

Washington, D.C. Reagan-National

Sun 7/19

6:30 am-9:40 pm

1 stop10h 10m

$626

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 11/22

12:55 pm-6:51 pm

1 stop10h 56m

Washington, D.C. Reagan-National

Sun 12/6

3:54 pm-7:00 am

1 stop10h 06m

$627

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 7/10

9:15 am-4:13 pm

1 stop11h 58m

Washington, D.C. Reagan-National

Wed 7/22

5:00 pm-8:00 am

1 stop10h 00m

$627

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 8/19

6:15 am-7:20 pm

2 stops18h 05m

Washington, D.C. Dulles Intl

Wed 8/26

8:30 pm-9:15 pm

2 stops19h 45m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from United Kingdom to Washington, D.C.

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

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

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Washington, D.C. (average of $667). Flying from United Kingdom to Washington, D.C. in July is currently the most expensive (average of $869). 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 GB to WAS?

Find hourly flight availability from United Kingdom 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 June 23, 2026.

When flying from United Kingdom to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Washington, D.C.

Explore weekly flight availability from United Kingdom 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 June 23, 2026.

The most flights from GB0 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 often are flights from the United Kingdom to Washington, D.C. delayed?

About 18% of weekly flights between United Kingdom and Washington, D.C. have experienced delays in the past year, with the average delay time being 136 minutes.

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

Historically, flights departing in the evening 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 the United Kingdom to Washington, D.C. flights?

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

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

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 23, 2026.
Read through reviews of airlines operating flights from the United Kingdom to Washington, D.C., such as Virgin Atlantic,United Airlines, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
690 reviews

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,879 reviews
Virgin Atlantic
7.5
Good
690 reviews

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Aer Lingus
7.3
Good
1,622 reviews
Virgin Atlantic
7.5
Good
690 reviews

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
American Airlines
7.1
Good
11,750 reviews
Virgin Atlantic
7.5
Good
690 reviews

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,068 reviews
Virgin Atlantic
7.5
Good
690 reviews

Boarding

7.7

Comfort

7.3

Food

6.9

Overall

7.5

Crew

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

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

    There are many flights that can get you from United Kingdom to Washington, D.C. in 8h 15m. Fly via SWISS, United Airlines, or British Airways to get the fastest option. The distance between United Kingdom and Washington, D.C. is about 3664 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from United Kingdom to Washington, D.C. are JetBlue ($411), Aer Lingus ($452), and British Airways ($468).

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

    Most travelers choose London Heathrow - Washington, D.C. Dulles Intl, London Heathrow - Baltimore/Washington or London Heathrow - Washington, D.C. Reagan-National when deciding on the best route from United Kingdom to Washington, D.C..

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

    No one likes to see their flight delayed. When booking a flight from United Kingdom to Washington, D.C. consider choosing Air Canada (87%), Austrian Airlines (87%) or Copa Airlines (87%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,055 for a flight from United Kingdom to Washington, D.C.. The cheapest flight overall is $485 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at $508.

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from United Kingdom to Washington, D.C. (average of $667). Flying from United Kingdom to Washington, D.C. in July is currently the most expensive (average of $869). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Laurel
Fredericksburg
Hanover
Manassas
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from United Kingdom to Washington, D.C.

Discover the top 10 airlines that operate flights from United Kingdom 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$320Average$907FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$466Average$733FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$534Average$719FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$536Average$740FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$559Average$796FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$567Average$964FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$571Average$1,035FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$593Average$944FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$635Average$663FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$658Average$920FlexibilityNo cancel feeOn-timeN/A

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