$230+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
Jan 13 — Jan 201
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 December 14, 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 December 14, 2025.
This Icelandair deal was found by Cheapflights users on 12/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmIAD - LGW
1 stop10h 15mIcelandair
Thu 1/1511:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 12/12![Icelandair logo]()
$577
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.
Wed 12/3110:55 pmIAD - LHR
1 stop17h 05mLufthansa
Wed 1/147:40 amLHR - IAD
1 stop12h 55mLufthansa
Deal found 12/14![Lufthansa logo]()
$585
This Cheapflightsfares deal was found by Cheapflights users on 12/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:25 pmIAD - LHR
1 stop19h 25mSWISS
Wed 1/146:00 amLHR - IAD
1 stop14h 30mSWISS
Deal found 12/12![SWISS logo]()
$586
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.
Tue 12/305:31 pmIAD - LHR
1 stop12h 44mMultiple Airlines
Fri 1/97:00 amLHR - IAD
1 stop12h 55mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$604
This United Airlines deal was found by Cheapflights users on 12/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:08 pmIAD - LHR
1 stop30h 12mUnited Airlines
Tue 1/139:00 amLHR - IAD
1 stop12h 40mUnited Airlines
Deal found 12/12![United Airlines logo]()
$605
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:20 pmIAD - LHR
Nonstop7h 20mUnited Airlines
Wed 1/146:50 amLHR - IAD
1 stop12h 45mUnited Airlines
Deal found 12/14![United Airlines logo]()
$606
This Air Canada deal was found by Cheapflights users on 12/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:08 pmIAD - LHR
1 stop30h 12mAir Canada
Tue 1/136:50 amLHR - IAD
2 stops19h 04mAir Canada
Deal found 12/12![Air Canada logo]()
$608
This Air Canada deal was found by Cheapflights users on 12/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:05 amDCA - LHR
1 stop15h 05mAir Canada
Wed 1/146:50 amLHR - DCA
2 stops13h 41mAir Canada
Deal found 12/12![Air Canada logo]()
$611
This Air Canada deal was found by Cheapflights users on 12/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:15 pmIAD - LHR
1 stop12h 55mAir Canada
Wed 1/146:50 amLHR - IAD
2 stops14h 34mAir Canada
Deal found 12/12![Air Canada logo]()
$611
This Cheapflightsfares deal was found by Cheapflights users on 12/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:45 pmIAD - LHR
Nonstop7h 15mBritish Airways
Tue 1/1312:10 pmLHR - IAD
Nonstop8h 25mBritish Airways
Deal found 12/12![British Airways logo]()
$612
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.
Wed 12/319:45 pmIAD - LHR
Nonstop7h 15mBritish Airways
Wed 1/1412:10 pmLHR - IAD
Nonstop8h 25mBritish Airways
Deal found 12/14![British Airways logo]()
$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.
Tue 12/309:45 amIAD - LHR
2 stops29h 50mMultiple Airlines
Mon 4/208:05 pmLHR - IAD
1 stop25h 15mMultiple Airlines
Deal found 12/13![Multiple Airlines logo]()
$617
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 December 14, 2025.
Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $478 (CrystalTravel) |
One-way from | $230 (Mytrip) |
Popular in | December |
Cheapest in | September |
Average price | $978 |
Good round-trip deal | $695 or less |
Good one-way deal | $434 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 December 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.Glasgow
IAD - GLA
IADGLA
Washington, D.C. Dulles Intl
Wed 1/7
7:40 pm-9:55 am
1 stop9h 15m
Glasgow Intl
Wed 1/14
12:35 pm-6:30 pm
1 stop10h 55m
$491
Washington, D.C.Glasgow
IAD - GLA
IADGLA
Washington, D.C. Dulles Intl
Sat 2/14
7:40 pm-9:55 am
1 stop9h 15m
Glasgow Intl
Sat 2/21
12:35 pm-6:30 pm
1 stop10h 55m
$494
Washington, D.C.Glasgow
IAD - GLA
IADGLA
Washington, D.C. Dulles Intl
Tue 2/17
7:40 pm-9:55 am
1 stop9h 15m
Glasgow Intl
Sat 2/21
12:35 pm-6:30 pm
1 stop10h 55m
$553
Washington, D.C.London
IAD - LTN
IADLTN
Washington, D.C. Dulles Intl
Wed 1/21
7:40 pm-12:55 pm
1 stop12h 15m
London Luton
Wed 1/28
8:00 am-6:30 pm
1 stop15h 30m
$572
Washington, D.C.London
IAD - STN
IADSTN
Washington, D.C. Dulles Intl
Sat 1/10
7:40 pm-3:25 pm
2 stops14h 45m
London Stansted
Sat 1/17
7:15 am-6:30 pm
2 stops16h 15m
$573
Washington, D.C.London
IAD - STN
IADSTN
Washington, D.C. Dulles Intl
Sat 3/14
9:30 pm-11:25 pm
2 stops21h 55m
London Stansted
Sat 3/21
6:45 am-9:05 pm
2 stops18h 20m
$573
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Mon 1/26
5:30 pm-9:50 am
1 stop11h 20m
London Gatwick
Mon 2/2
11:00 am-2:35 pm
2 stops32h 35m
$574
Washington, D.C.London
DCA - LTN
DCALTN
Washington, D.C. Reagan-National
Tue 1/13
4:10 pm-8:10 pm
2 stops23h 00m
London Luton
Wed 1/21
8:50 pm-3:33 pm
3 stops23h 43m
$578
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Thu 2/5
8:30 pm-4:25 pm
2 stops14h 55m
London Heathrow
Sun 2/8
9:05 pm-5:15 pm
2 stops25h 10m
$583
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Fri 1/23
10:30 pm-9:50 am
1 stop30h 20m
London Gatwick
Sun 2/1
10:40 am-9:00 pm
1 stop15h 20m
$589
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 December 14, 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 December 14, 2025.
The most flights from USDC to GB0 are scheduled on a Friday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 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.
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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 December 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$31 | Average$872 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$311 | Average$870 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$369 | Average$505 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$395 | Average$566 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$424 | Average$589 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$427 | Average$641 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$497 | Average$808 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$497 | Average$848 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$506 | Average$1,017 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$517 | Average$795 | FlexibilityNo cancel fee | On-timeN/A |