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.
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 |
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.
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.
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
Fly to
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
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
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
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
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
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
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
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
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
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
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.
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
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Kim,May 2025
PIH - SLC
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.
Travelling to a place near the United Kingdom?
Book flights to the United Kingdom if you plan to visit one of these locationsBrowse 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 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 858,174 searches. Data last updated 3 July 2025.
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.