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$265+ Cheap flights from District of Columbia to the United Kingdom

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from District of Columbia to United Kingdom

Keep the following information in mind while searching for District of Columbia to United Kingdom flight deals. Data was last updated September 14, 2025.

Round-trip from

$492
(Mytrip)

One-way from

$265
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$636

Good round-trip deal

$635 or less

Good one-way deal

$384 or less
From District of Columbia to United Kingdom
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One-way flight from District of Columbia to United Kingdom
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Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from District of Columbia to United Kingdom.
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Price to beat on a one-way flight from District of Columbia to United Kingdom.
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Find flight deals from District of Columbia to United Kingdom

Cheapest flights from District of Columbia to United Kingdom
Explore the most affordable flight options available from District of Columbia to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:40 pmIAD - STN
2 stops19h 25mMultiple Airlines
Mon 11/38:30 amSTN - IAD
2 stops15h 00mMultiple Airlines
Deal found 9/13$492
This oojo deal was found by Cheapflights users on 9/12. 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.
Wed 10/111:15 pmIAD - LGW
1 stop10h 25mIcelandair
Wed 10/153:40 pmLGW - IAD
1 stop11h 30mIcelandair
Deal found 9/12$492
This Flightnetwork deal was found by Cheapflights users on 9/12. 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.
Mon 10/278:40 pmIAD - LHR
1 stop10h 10mIcelandair
Mon 11/38:35 pmLHR - IAD
1 stop26h 55mIcelandair
Deal found 9/12$492
This Mytrip deal was found by Cheapflights users on 9/12. 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 10/225:50 pmIAD - STN
2 stops21h 10mMultiple Airlines
Tue 11/49:20 pmSTN - IAD
2 stops28h 40mMultiple Airlines
Deal found 9/12$493
This oojo deal was found by Cheapflights users on 9/12. 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.
Mon 10/138:30 pmIAD - LGW
1 stop13h 05mIcelandair
Fri 10/3111:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 9/12$493
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:30 pmIAD - LHR
1 stop18h 50mIcelandair
Wed 10/89:25 pmLHR - IAD
1 stop26h 55mIcelandair
Deal found 9/14$493
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:15 pmIAD - LGW
1 stop10h 25mIcelandair
Tue 10/73:40 pmLGW - IAD
1 stop32h 40mIcelandair
Deal found 9/14$494
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:30 pmIAD - LHR
1 stop10h 25mIcelandair
Tue 9/309:25 pmLHR - IAD
1 stop26h 55mIcelandair
Deal found 9/13$494
This oojo deal was found by Cheapflights users on 9/12. 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.
Mon 10/138:30 pmIAD - LGW
1 stop13h 05mIcelandair
Mon 10/203:40 pmLGW - IAD
1 stop32h 40mIcelandair
Deal found 9/12$495
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:30 pmIAD - LHR
1 stop10h 25mIcelandair
Thu 10/239:25 pmLHR - IAD
1 stop26h 55mIcelandair
Deal found 9/14$495
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:40 pmIAD - LGW
1 stop10h 15mIcelandair
Fri 10/3111:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 9/13$496
This oojo deal was found by Cheapflights users on 9/12. 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.
Wed 10/18:30 pmIAD - LHR
1 stop10h 25mIcelandair
Thu 10/91:05 pmLHR - IAD
1 stop11h 15mIcelandair
Deal found 9/12$496

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to United Kingdom 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 September 14, 2025.
Use the filters below to find and compare flights from District of Columbia to the United Kingdom that are best for you.

Fly from

District of Columbia

Fly to

United Kingdom

Route

Depart

Return

Price

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 11/2

7:40 pm-11:00 pm

2 stops22h 20m

London Stansted

Sat 11/8

6:30 am-6:30 pm

2 stops17h 00m

$508

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/30

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 12/13

11:55 am-6:30 pm

1 stop11h 35m

$517

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 10/14

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Fri 12/5

11:55 am-6:30 pm

1 stop11h 35m

$518

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 10/3

11:15 pm-2:40 pm

1 stop10h 25m

London Gatwick

Fri 10/10

3:40 pm-10:10 pm

1 stop11h 30m

$518

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 10/11

8:30 pm-2:35 pm

1 stop13h 05m

London Gatwick

Thu 12/4

11:55 am-6:30 pm

1 stop11h 35m

$518

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 1/13

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Wed 1/21

11:55 am-6:30 pm

1 stop11h 35m

$518

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 10/14

9:35 am-12:00 pm

2 stops21h 25m

London Stansted

Tue 10/21

9:45 pm-9:05 pm

2 stops28h 20m

$526

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 12/1

7:40 pm-2:00 pm

1 stop13h 20m

London Luton

Wed 12/10

8:00 am-6:30 pm

1 stop15h 30m

$534

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 1/14

12:30 pm-9:20 am

2 stops15h 50m

London Heathrow

Tue 1/20

7:30 pm-5:15 pm

1 stop26h 45m

$546

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Fri 12/5

7:40 pm-8:10 pm

2 stops19h 30m

London Luton

Wed 12/10

6:50 am-6:30 pm

2 stops16h 40m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results
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Best time to book a flight from District of Columbia to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from District of Columbia 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 District of Columbia to the United Kingdom

What is the cheapest month to book a flight from District of Columbia to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from District of Columbia to United Kingdom (average of $661). Flying from District of Columbia to United Kingdom in June is currently the most expensive (average of $1,098). 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 DC to GB?

Find hourly flight availability from District of Columbia to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to United Kingdom as you normally would.

Weekly flight availability from District of Columbia to United Kingdom

Explore weekly flight availability from District of Columbia to United Kingdom. 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 September 14, 2025.

The most flights from USDC to GB0 are scheduled on a Monday (28 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to United Kingdom. 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 District of Columbia to United Kingdom?

    Departing from District of Columbia to United Kingdom will take you 7h 35m. The distance from District of Columbia to United Kingdom 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 District of Columbia to United Kingdom one-way?

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $267. JetBlue flights start at $273 while deals on Scandinavian Airlines start at $365 one-way.

  • Can I find deals for flights from District of Columbia to United Kingdom that include hotel bookings?

    Yes. In addition to deals on District of Columbia to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to United Kingdom.

  • Can I find deals for business class flights from District of Columbia to United Kingdom?

    Yes. Cheapflights offers flight deals from District of Columbia to United Kingdom 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 District of Columbia to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from District of Columbia to United Kingdom (average of $661). Flying from District of Columbia to United Kingdom in June is currently the most expensive (average of $1,098). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for District of Columbia to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from District of Columbia to United Kingdom

Discover the top 10 airlines that operate flights from District of Columbia to United Kingdom. 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$31Average$874FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$311Average$777FlexibilityNo cancel feeOn-time76%
PLAYCheapest$313Average$506FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$421Average$827FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$424Average$658FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$433Average$606FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$441Average$686FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$497Average$822FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$497Average$799FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$506Average$983FlexibilityNo cancel feeOn-time69%

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