Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from the United Kingdom to Washington, D.C. from £200

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — WAS
8 Jul — 15 Jul1
1 adult

Cheap 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 3 July 2025.

Round-trip from

£480

One-way from

£200

Popular in

July

Cheapest in

February

Average price

£653

Good round-trip deal

£500 or less

Good one-way deal

£586 or less
JetBlue
  • JetBlue
  • 10/10-14/10
  • 2 total stops
  • 25h 37m total
  • United Kingdom to Washington, D.C.
10/9
  • 10/9
  • 1 total stop
  • 28h 04m total
  • United Kingdom to Washington, D.C.
Highest demand for flights based on searches. 14% potential increase in price (£65 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in July 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).

Find 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 3 July 2025.

Fri 10/1012:10LGW - DCA
1 stop13h 41mJetBlue
Tue 14/1016:39DCA - LGW
1 stop11h 56mJetBlue
Deal found 2/7£480
Fri 5/910:35LGW - IAD
1 stop15h 15mTAP AIR PORTUGAL
Mon 15/917:45IAD - LGW
2 stops21h 40mTAP AIR PORTUGAL
Deal found 2/7£480
Sat 6/909:20LCY - IAD
1 stop11h 55mSWISS
Sat 13/920:45IAD - LCY
1 stop12h 00mSWISS
Deal found 1/7£480
Sun 7/909:45LHR - DCA
1 stop18h 22mFinnair
Sat 13/919:23DCA - LHR
1 stop21h 17mFinnair
Deal found 2/7£481
Fri 29/808:55LCY - IAD
1 stop11h 20mLufthansa
Wed 8/1018:10IAD - LCY
1 stop19h 25mLufthansa
Deal found 2/7£481
Sun 7/914:25LHR - IAD
Nonstop8h 05mMultiple Airlines
Sat 13/919:17IAD - LHR
1 stop32h 48mMultiple Airlines
Deal found 2/7£482
Thu 18/910:00LCY - IAD
1 stop10h 35mVirgin Atlantic
Fri 26/907:20IAD - LCY
2 stops19h 50mVirgin Atlantic
Deal found 1/7£482
Wed 1/1008:25LHR - DCA
1 stop14h 35mJetBlue
Wed 29/1006:00DCA - LHR
1 stop10h 45mJetBlue
Deal found 1/7£483
Thu 28/808:00LHR - IAD
1 stop12h 20mTAP AIR PORTUGAL
Wed 3/917:50IAD - LHR
1 stop11h 30mTAP AIR PORTUGAL
Deal found 1/7£483
Fri 22/810:00LGW - IAD
1 stop14h 24mMultiple Airlines
Tue 26/823:15IAD - LGW
1 stop10h 25mMultiple Airlines
Deal found 2/7£484
Mon 8/909:30LHR - DCA
1 stop11h 21mAir Canada
Fri 12/909:40DCA - LHR
1 stop15h 50mAir Canada
Deal found 1/7£485
Sat 15/1112:20LCY - IAD
2 stops40h 39mMultiple Airlines
Sun 23/1120:45IAD - LCY
1 stop11h 05mMultiple Airlines
Deal found 1/7£485

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 3 July 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.

LGW - DCA

LGWDCA

London Gatwick

Fri 10/10

12:10-20:51

1 stop13h 41m

Washington, D.C. Reagan-National

Tue 14/10

16:39-09:35

1 stop11h 56m

£480

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 5/9

10:35-20:50

1 stop15h 15m

Washington, D.C. Dulles Intl

Mon 15/9

17:45-20:25

2 stops21h 40m

£480

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Sat 6/9

09:20-16:15

1 stop11h 55m

Washington, D.C. Dulles Intl

Sat 13/9

20:45-13:45

1 stop12h 00m

£480

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 7/9

09:45-23:07

1 stop18h 22m

Washington, D.C. Reagan-National

Sat 13/9

19:23-21:40

1 stop21h 17m

£481

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 29/8

08:55-15:15

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 8/10

18:10-18:35

1 stop19h 25m

£481

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sun 7/9

14:25-17:30

Nonstop8h 05m

Washington, D.C. Dulles Intl

Sat 13/9

19:17-09:05

1 stop32h 48m

£482

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 18/9

10:00-15:35

1 stop10h 35m

Washington, D.C. Dulles Intl

Fri 26/9

07:20-08:10

2 stops19h 50m

£482

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 1/10

08:25-18:00

1 stop14h 35m

Washington, D.C. Reagan-National

Wed 29/10

06:00-20:45

1 stop10h 45m

£483

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 28/8

08:00-15:20

1 stop12h 20m

Washington, D.C. Dulles Intl

Wed 3/9

17:50-10:20

1 stop11h 30m

£483

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 22/8

10:00-19:24

1 stop14h 24m

Washington, D.C. Dulles Intl

Tue 26/8

23:15-14:40

1 stop10h 25m

£484

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 60 results
1
2
3
...
6

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 return 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, January is the cheapest month in which you can book a flight from United Kingdom to Washington, D.C. (average of £599). Flying from United Kingdom to Washington, D.C. in July is currently the most expensive (average of £947). 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 3 July 2025.

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 3 July 2025.

The most flights from GB0 to WAS are scheduled on a Wednesday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

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 3 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andAustrian Airlines from the United Kingdom 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.

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

    £217 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on JetBlue and Scandinavian Airlines, with prices starting from £385 and £386, respectively.

  • 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.?

    The top 3 most reliable airlines when flying from United Kingdom to Washington, D.C. are Air Canada (76%), Austrian Airlines (76%) and Copa Airlines (76%).

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

    While on average a flight from United Kingdom to Washington, D.C. is generally £1,637, our data shows the cheapest flight currently is £433. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £341 for that flight.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from United Kingdom to Washington, D.C. (average of £599). Flying from United Kingdom to Washington, D.C. in July is currently the most expensive (average of £947). 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

Travelling to a place near the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Arlington
Woodbridge
College Park
Laurel
Tysons

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.

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 858,174 searches. Data last updated 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£185Average£493FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
PLAYCheapest£244Average£400FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Air FranceCheapest£288Average£657FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapest£350Average£545FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
TAP AIR PORTUGALCheapest£361Average£543FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
JetBlueCheapest£368Average£582FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Brussels AirlinesCheapest£374Average£954FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£413Average£550FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£420Average£679FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£430Average£651FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Washington, D.C.?

Cheapflights helps you search for flights from United Kingdom to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Washington, D.C.?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Washington, D.C. for you. Better yet — we are completely free to use.

Can Cheapflights find flights from United Kingdom to Washington, D.C. with no change fees?

Need flexible booking options for your flight to Washington, D.C. from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Washington, D.C. become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.