Washington, D.C.

$296+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — WAS
ene. 14 — ene. 211
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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 diciembre 15, 2025.

This Gotogate deal was found by Cheapflights users on 12/15. 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.
jue. 12/2510:20 amLHR - IAD
1 stop11h 55mScandinavian Airlines
dom. 9/138:20 pmIAD - LHR
1 stop32h 00mScandinavian Airlines
Deal found 12/15$677
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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.
jue. 12/256:00 amLHR - IAD
1 stop14h 15mTAP AIR PORTUGAL
jue. 3/55:30 pmIAD - LHR
1 stop12h 55mTAP AIR PORTUGAL
Deal found 12/15$689
This The Travel House deal was found by Cheapflights users on 12/15. 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.
jue. 12/256:40 amLHR - IAD
1 stop15h 35mScandinavian Airlines
jue. 10/18:20 pmIAD - LHR
2 stops32h 15mScandinavian Airlines
Deal found 12/15$693
This Gotogate deal was found by Cheapflights users on 12/15. 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.
jue. 12/2510:20 amLHR - IAD
1 stop11h 55mScandinavian Airlines
sáb. 9/268:20 pmIAD - LHR
1 stop32h 00mScandinavian Airlines
Deal found 12/15$695
This JetBlue deal was found by Cheapflights users on 12/14. 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.
mar. 12/3012:20 pmLHR - DCA
1 stop15h 26mJetBlue
vie. 1/910:05 amDCA - LHR
1 stop15h 50mJetBlue
Deal found 12/14$697
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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.
jue. 12/2510:20 amLHR - IAD
1 stop11h 55mScandinavian Airlines
jue. 3/58:30 pmIAD - LHR
2 stops14h 55mScandinavian Airlines
Deal found 12/15$699
This Gotogate deal was found by Cheapflights users on 12/15. 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.
jue. 12/256:40 amLHR - IAD
1 stop15h 35mScandinavian Airlines
dom. 9/208:20 pmIAD - LHR
2 stops15h 05mScandinavian Airlines
Deal found 12/15$704
This JetBlue deal was found by Cheapflights users on 12/14. 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.
mar. 12/3012:20 pmLHR - DCA
1 stop15h 26mJetBlue
dom. 1/1111:55 amDCA - LHR
1 stop14h 00mJetBlue
Deal found 12/14$711
This Trip.com deal was found by Cheapflights users on 12/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/257:25 amLHR - DCA
1 stop20h 21mJetBlue
jue. 3/56:00 amDCA - LHR
1 stop10h 40mJetBlue
Deal found 12/15$739
This JetBlue deal was found by Cheapflights users on 12/14. 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.
mar. 12/3012:20 pmLHR - DCA
1 stop15h 26mJetBlue
sáb. 1/106:00 amDCA - LHR
1 stop11h 00mJetBlue
Deal found 12/14$745
This oojo deal was found by Cheapflights users on 12/13. 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.
mié. 12/247:05 amLHR - IAD
2 stops39h 10mScandinavian Airlines
jue. 2/128:30 pmIAD - LHR
1 stop16h 10mScandinavian Airlines
Deal found 12/13$755
This Flightnetwork deal was found by Cheapflights users on 12/14. 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.
mié. 12/247:50 pmLHR - IAD
2 stops26h 25mScandinavian Airlines
mié. 4/88:20 pmIAD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 12/14$759

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 diciembre 15, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$622
(Trip.com)

One-way from

$296
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$798

Good round-trip deal

$680 or less

Good one-way deal

$706 or less
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
From United Kingdom to Washington, D.C. (WAS)
One-way flight from United Kingdom to Washington, D.C. (WAS)
Highest demand for flights based on searches. 12% potential increase in price ($105 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from United Kingdom to Washington, D.C. (WAS).
Price to beat on a one-way flight from United Kingdom to Washington, D.C. (WAS).

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 diciembre 15, 2025.
Use the filters below to find and compare flights from the United Kingdom to Washington, D.C. that are best for you.

Fly from

United Kingdom

Fly to

Washington, D.C.

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

vie. 2/6

9:05 pm-6:50 pm

2 stops26h 45m

Washington, D.C. Dulles Intl

jue. 2/19

8:30 pm-5:40 pm

1 stop16h 10m

$631

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

vie. 1/23

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

lun. 2/9

7:40 pm-10:55 am

1 stop10h 15m

$631

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

vie. 1/23

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

lun. 1/26

7:40 pm-10:55 am

1 stop10h 15m

$631

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

jue. 1/29

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

mar. 2/10

7:40 pm-10:55 am

1 stop10h 15m

$631

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

mié. 1/28

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

mié. 2/11

7:40 pm-10:55 am

1 stop10h 15m

$631

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

vie. 2/6

9:05 pm-6:50 pm

2 stops26h 45m

Washington, D.C. Dulles Intl

lun. 2/16

8:30 pm-4:25 pm

2 stops14h 55m

$635

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

jue. 1/15

9:25 am-2:40 pm

2 stops34h 15m

Washington, D.C. Dulles Intl

mié. 1/28

6:00 pm-6:25 pm

2 stops19h 25m

$636

LondonWashington, D.C.

STN - IAD

STNIAD

London Stansted

sáb. 2/7

6:35 pm-9:00 pm

2 stops31h 25m

Washington, D.C. Dulles Intl

sáb. 2/14

5:30 pm-8:00 pm

2 stops21h 30m

$637

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

lun. 4/13

8:25 am-2:58 pm

1 stop11h 33m

Washington, D.C. Reagan-National

mié. 4/22

6:05 am-8:45 pm

1 stop9h 40m

$638

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

vie. 1/9

9:20 am-5:34 pm

1 stop13h 14m

Washington, D.C. Reagan-National

jue. 1/15

6:00 am-9:40 pm

1 stop10h 40m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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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 $305). Flying from United Kingdom 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 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 diciembre 15, 2025.

It’s optimal to fly from United Kingdom to Washington, D.C. in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.

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

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

Travelers seeking maximum savings on their United Kingdom 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.

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 diciembre 15, 2025.

The most flights from GB0 to WAS are scheduled on a Sunday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

How often are flights from the United Kingdom to Washington, D.C. delayed?

About 17% of weekly flights between United Kingdom and Washington, D.C. have experienced delays in the past year, with the average delay time being 131 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?

Monday 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, Virgin Atlantic have had the lowest number of delays on this route, with just 8% of flights being delayed.

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 diciembre 15, 2025.
Read through reviews of airlines operating flights from the United Kingdom 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.

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 11h 33m. Fly via Scandinavian Airlines, Icelandair, or JetBlue to get the fastest option. The distance between United Kingdom and Washington, D.C. is about 3652 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 Scandinavian Airlines ($358), TAP AIR PORTUGAL ($453), and Icelandair ($480).

  • What are the most popular routes 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 KLM (94%), Air France (93%) or Delta (93%) 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 $1,887 for a flight from United Kingdom to Washington, D.C.. The cheapest flight overall is $572 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at $498.

  • 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 $305). Flying from United Kingdom 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$320Average$950FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$390Average$883FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$431Average$984FlexibilityNo cancel feeOn-time78%
TAP AIR PORTUGALCheapest$473Average$730FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$510Average$781FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$559Average$743FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$567Average$898FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$590Average$859FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$593Average$815FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$635Average$663FlexibilityNo cancel feeOn-time67%

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