$237+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
nov. 28 — dec. 51
1 adult, Economy
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Cheapest flights from District of Columbia to United KingdomExplore 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 oktober 29, 2025.
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 oktober 29, 2025.
This Mytrip deal was found by Cheapflights users on 10/28. 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.
ma 12/17:40 pmIAD - STN
2 stops20h 40mMultiple Airlines
vr 12/56:30 amSTN - IAD
2 stops17h 00mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$561
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 11/107:40 pmIAD - LHR
1 stop10h 10mIcelandair
ma 11/178:35 pmLHR - IAD
1 stop26h 55mIcelandair
Deal found 10/28![Icelandair logo]()
$561
This Mytrip deal was found by Cheapflights users on 10/28. 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.
ma 12/17:40 pmIAD - LGW
2 stops15h 40mMultiple Airlines
do 12/45:40 pmLGW - IAD
3 stops29h 50mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$562
This Mytrip deal was found by Cheapflights users on 10/29. 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.
ma 11/249:45 amIAD - STN
2 stops31h 55mMultiple Airlines
ma 12/111:35 amSTN - IAD
2 stops34h 05mMultiple Airlines
Deal found 10/29![Multiple Airlines logo]()
$563
This Mytrip deal was found by Cheapflights users on 10/28. 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.
wo 11/199:45 amIAD - LTN
2 stops31h 35mMultiple Airlines
do 11/278:50 pmLTN - IAD
2 stops24h 00mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$563
This Mytrip deal was found by Cheapflights users on 10/27. 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.
wo 11/194:30 pmIAD - STN
3 stops18h 35mMultiple Airlines
vr 11/287:30 amSTN - IAD
2 stops18h 24mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$564
This Mytrip deal was found by Cheapflights users on 10/27. 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.
do 11/137:40 pmIAD - LGW
2 stops13h 45mMultiple Airlines
di 11/188:50 amLGW - IAD
2 stops14h 40mMultiple Airlines
Deal found 10/27![Multiple Airlines logo]()
$564
This Mytrip deal was found by Cheapflights users on 10/28. 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.
ma 11/249:45 amIAD - LTN
2 stops29h 25mMultiple Airlines
di 12/28:50 pmLTN - IAD
2 stops24h 00mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$564
This Mytrip deal was found by Cheapflights users on 10/28. 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.
ma 12/19:45 amIAD - STN
2 stops26h 10mMultiple Airlines
wo 12/108:55 pmSTN - IAD
2 stops28h 10mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$565
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 11/47:40 pmIAD - LGW
1 stop10h 15mIcelandair
do 11/1311:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 10/28![Icelandair logo]()
$565
This Mytrip deal was found by Cheapflights users on 10/28. 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.
ma 11/109:45 amIAD - LTN
2 stops29h 25mMultiple Airlines
do 11/208:50 pmLTN - IAD
2 stops24h 00mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$565
This Mytrip deal was found by Cheapflights users on 10/26. 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.
ma 12/14:10 pmDCA - LGW
2 stops18h 15mMultiple Airlines
do 12/47:00 amLGW - DCA
2 stops19h 56mMultiple Airlines
Deal found 10/26![Multiple Airlines logo]()
$565
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 oktober 29, 2025.
Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $561 (Mytrip) |
One-way from | $237 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $675 |
Good round-trip deal | $704 or less |
Good one-way deal | $421 or less |
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 oktober 29, 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
ma 12/1
7:40 pm-9:20 pm
2 stops20h 40m
London Stansted
vr 12/5
6:30 am-6:30 pm
2 stops17h 00m
$561
Washington, D.C.London
IAD - STN
IADSTN
Washington, D.C. Dulles Intl
vr 1/16
7:40 pm-2:50 pm
2 stops14h 10m
London Stansted
ma 1/19
6:30 am-6:30 pm
2 stops17h 00m
$566
Washington, D.C.London
DCA - LTN
DCALTN
Washington, D.C. Reagan-National
ma 11/24
12:55 pm-8:10 pm
3 stops26h 15m
London Luton
di 12/2
8:50 pm-9:56 pm
3 stops30h 06m
$566
Washington, D.C.London
IAD - STN
IADSTN
Washington, D.C. Dulles Intl
di 11/11
4:30 pm-9:50 am
2 stops12h 20m
London Stansted
ma 11/17
10:15 am-4:40 pm
2 stops35h 25m
$572
Washington, D.C.London
IAD - LTN
IADLTN
Washington, D.C. Dulles Intl
wo 12/3
7:40 pm-8:50 pm
1 stop20h 10m
London Luton
wo 12/10
8:00 am-6:30 pm
1 stop15h 30m
$576
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
wo 12/31
10:20 pm-10:50 am
Nonstop7h 30m
London Heathrow
wo 1/14
8:55 am-4:35 pm
1 stop12h 40m
$577
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
wo 11/26
10:20 pm-10:50 am
Nonstop7h 30m
London Heathrow
vr 12/5
9:00 am-4:35 pm
1 stop12h 35m
$577
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
zo 11/16
10:20 pm-10:50 am
Nonstop7h 30m
London Heathrow
vr 11/28
6:30 am-4:05 pm
1 stop14h 35m
$578
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
ma 11/3
10:20 pm-10:50 am
Nonstop7h 30m
London Heathrow
di 11/11
4:50 pm-8:30 pm
Nonstop8h 40m
$585
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
wo 1/7
10:20 pm-10:50 am
Nonstop7h 30m
London Heathrow
di 1/20
8:55 am-4:35 pm
1 stop12h 40m
$585
Showing 1-10 of 60 results
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 oktober 29, 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 November 10, 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.
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.
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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.
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 oktober 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$31 | Average$871 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$369 | Average$495 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$395 | Average$604 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$397 | Average$969 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$424 | Average$596 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$433 | Average$648 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$497 | Average$814 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$497 | Average$850 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$506 | Average$972 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$517 | Average$818 | FlexibilityNo cancel fee | On-timeN/A |