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$240+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
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Cheap 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 diciembre 16, 2025.

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:55 pmIAD - LHR
1 stop17h 05mLufthansa
mié. 1/147:40 amLHR - IAD
1 stop12h 55mLufthansa
Deal found 12/14$585
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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.
mié. 12/315:25 pmIAD - LHR
1 stop17h 55mSWISS
mié. 1/146:00 amLHR - IAD
1 stop14h 30mSWISS
Deal found 12/16$587
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:31 pmIAD - LHR
1 stop12h 44mMultiple Airlines
vie. 1/97:00 amLHR - IAD
1 stop12h 55mMultiple Airlines
Deal found 12/14$604
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:20 pmIAD - LHR
Nonstop7h 20mUnited Airlines
mié. 1/146:50 amLHR - IAD
1 stop12h 45mUnited Airlines
Deal found 12/15$606
This Air Canada deal was found by Cheapflights users on 12/16. 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.
mar. 12/3010:08 pmIAD - LHR
1 stop30h 12mAir Canada
mar. 1/136:50 amLHR - IAD
2 stops19h 04mAir Canada
Deal found 12/16$609
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/314:10 pmDCA - LHR
1 stop10h 00mAir Canada
mié. 1/146:50 amLHR - DCA
2 stops13h 41mAir Canada
Deal found 12/15$612
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/319:45 amIAD - LHR
1 stop16h 25mMultiple Airlines
mié. 1/146:50 amLHR - IAD
2 stops14h 34mMultiple Airlines
Deal found 12/15$612
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.
mié. 12/319:45 pmIAD - LHR
Nonstop7h 15mBritish Airways
mié. 1/1412:10 pmLHR - IAD
Nonstop8h 25mBritish Airways
Deal found 12/15$613
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/309:45 amIAD - LHR
2 stops29h 50mMultiple Airlines
lun. 4/208:05 pmLHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 12/13$617
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:20 pmIAD - LHR
Nonstop7h 20mUnited Airlines
lun. 4/2012:10 pmLHR - IAD
1 stop33h 10mUnited Airlines
Deal found 12/13$622
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:31 pmIAD - LHR
1 stop12h 44mMultiple Airlines
dom. 1/118:05 pmLHR - IAD
1 stop24h 25mMultiple Airlines
Deal found 12/14$624
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/304:10 pmDCA - LHR
1 stop10h 00mAir Canada
jue. 1/151:25 pmLHR - DCA
1 stop13h 31mAir Canada
Deal found 12/14$641

Find 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 diciembre 16, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$474
(CrystalTravel)

One-way from

$240
(CrystalTravel)

Popular in

December

Cheapest in

September

Average price

$978

Good round-trip deal

$695 or less

Good one-way deal

$434 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
Search Deals
From District of Columbia to United Kingdom
Search Deals
One-way flight from District of Columbia to United Kingdom
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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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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 diciembre 16, 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.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

jue. 4/9

8:30 pm-1:25 pm

1 stop11h 55m

Glasgow Intl

mié. 4/15

2:20 pm-7:20 pm

1 stop10h 00m

$507

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

jue. 1/8

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

jue. 2/5

11:15 am-6:30 pm

1 stop12h 15m

$518

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

sáb. 1/10

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

sáb. 2/7

12:35 pm-6:30 pm

1 stop10h 55m

$518

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

dom. 1/11

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

sáb. 2/7

12:35 pm-6:30 pm

1 stop10h 55m

$518

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

jue. 1/22

5:30 pm-9:50 am

1 stop11h 20m

London Gatwick

jue. 1/29

10:10 am-9:00 pm

2 stops39h 50m

$577

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

vie. 1/23

10:30 pm-3:45 pm

1 stop12h 15m

London Gatwick

dom. 2/1

10:40 am-9:00 pm

1 stop15h 20m

$581

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

mar. 3/17

8:40 pm-2:50 pm

1 stop14h 10m

London Luton

jue. 3/26

6:00 am-7:30 pm

1 stop17h 30m

$586

Washington, D.C.London

DCA - LTN

DCALTN

Washington, D.C. Reagan-National

mié. 1/14

4:10 pm-7:25 pm

2 stops22h 15m

London Luton

mié. 1/21

8:50 am-9:58 pm

3 stops18h 08m

$596

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

dom. 3/8

9:30 pm-8:05 pm

2 stops18h 35m

London Stansted

sáb. 3/14

6:55 am-9:05 pm

2 stops18h 10m

$602

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

vie. 1/23

10:30 pm-9:50 am

1 stop30h 20m

London Gatwick

sáb. 1/31

10:10 am-9:00 pm

2 stops39h 50m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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, March is the cheapest month in which you can book a flight from District of Columbia to United Kingdom (average of $31). Flying from District of Columbia to United Kingdom in June is currently the most expensive (average of $544). 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 diciembre 16, 2025.

It’s typically best to fly out from District of Columbia to United Kingdom in the afternoon. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from District of Columbia to United Kingdom?

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

Travelers seeking maximum savings on their District of Columbia to United Kingdom flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 diciembre 16, 2025.

The most flights from USDC to GB0 are scheduled on a Monday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 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 JetBlue, which is currently one of the cheapest options available, starting at $92. Icelandair flights start at $176 while deals on Scandinavian Airlines start at $203 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, March is the cheapest month in which you can book a flight from District of Columbia to United Kingdom (average of $31). Flying from District of Columbia to United Kingdom in June is currently the most expensive (average of $544). 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

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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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$31Average$872FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$311Average$848FlexibilityNo cancel feeOn-time76%
PLAYCheapest$369Average$511FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$395Average$566FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$427Average$623FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$429Average$593FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$497Average$808FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$497Average$848FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$506Average$1,017FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$517Average$799FlexibilityNo cancel feeOn-timeN/A

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