$246+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
Feb 28 — Mar 71
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 January 29, 2026.
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 January 29, 2026.
This CrystalTravel deal was found by Cheapflights users on 1/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:40 pm
IAD
- GLA
1 stop9h 15m
Icelandair
Fri 2/2012:35 pm
GLA
- IAD
1 stop10h 55m
Icelandair
Deal found 1/28![Icelandair logo]()
$482
This CrystalTravel deal was found by Cheapflights users on 1/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:40 pm
IAD
- GLA
1 stop9h 15m
Icelandair
Tue 3/312:35 pm
GLA
- IAD
1 stop10h 55m
Icelandair
Deal found 1/27![Icelandair logo]()
$489
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:40 pm
IAD
- GLA
1 stop9h 15m
Icelandair
Sat 2/2112:35 pm
GLA
- IAD
1 stop10h 55m
Icelandair
Deal found 1/26![Icelandair logo]()
$493
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:40 pm
IAD
- GLA
1 stop9h 15m
Icelandair
Thu 3/512:35 pm
GLA
- IAD
1 stop10h 55m
Icelandair
Deal found 1/27![Icelandair logo]()
$506
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:40 pm
IAD
- GLA
1 stop9h 15m
Icelandair
Tue 3/1712:35 pm
GLA
- IAD
1 stop10h 55m
Icelandair
Deal found 1/28![Icelandair logo]()
$507
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Mon 4/132:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 1/27![Icelandair logo]()
$509
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Wed 4/152:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 1/27![Icelandair logo]()
$512
This CrystalTravel deal was found by Cheapflights users on 1/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Fri 5/82:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 1/27![Icelandair logo]()
$520
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Mon 3/25:30 pm
IAD
- LGW
2 stops22h 05m
TAP AIR PORTUGAL
Wed 3/1810:40 am
LGW
- IAD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 1/27![TAP AIR PORTUGAL logo]()
$521
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Fri 4/38:30 pm
IAD
- LHR
1 stop10h 25m
Icelandair
Wed 4/89:25 pm
LHR
- IAD
1 stop26h 55m
Icelandair
Deal found 1/27![Icelandair logo]()
$521
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:30 pm
IAD
- LGW
1 stop13h 10m
Icelandair
Mon 4/273:40 pm
LGW
- IAD
1 stop32h 40m
Icelandair
Deal found 1/27![Icelandair logo]()
$522
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/38:30 pm
IAD
- LHR
1 stop10h 25m
Icelandair
Sun 4/129:25 pm
LHR
- IAD
1 stop26h 55m
Icelandair
Deal found 1/27![Icelandair logo]()
$522
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $482 (CrystalTravel) |
One-way from | $246 (oojo) |
Popular in | June |
Cheapest in | September |
Average price | $643 |
Good round-trip deal | $662 or less |
Good one-way deal | $375 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 January 29, 2026.
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
Mon 5/11
8:30 pm-1:25 pm
1 stop11h 55m
Glasgow Intl
Tue 5/26
2:20 pm-7:20 pm
1 stop10h 00m
$579
Washington, D.C.Glasgow
IAD - GLA
IADGLA
Washington, D.C. Dulles Intl
Thu 5/14
8:30 pm-1:25 pm
1 stop11h 55m
Glasgow Intl
Tue 5/26
2:20 pm-7:20 pm
1 stop10h 00m
$602
Washington, D.C.Glasgow
IAD - GLA
IADGLA
Washington, D.C. Dulles Intl
Thu 5/14
8:30 pm-1:25 pm
1 stop11h 55m
Glasgow Intl
Wed 5/27
2:20 pm-10:15 pm
1 stop12h 55m
$602
Washington, D.C.London
IAD - STN
IADSTN
Washington, D.C. Dulles Intl
Wed 4/22
8:20 pm-2:05 pm
1 stop12h 45m
London Stansted
Wed 4/29
7:00 am-4:50 pm
1 stop14h 50m
$607
Washington, D.C.London
IAD - LTN
IADLTN
Washington, D.C. Dulles Intl
Fri 4/17
8:20 pm-12:30 am
2 stops23h 10m
London Luton
Sat 4/25
2:25 pm-4:50 pm
2 stops31h 25m
$608
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Sun 4/26
8:20 pm-4:25 pm
2 stops15h 05m
London Heathrow
Sun 5/3
6:40 am-4:50 pm
2 stops15h 10m
$614
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Wed 2/11
10:15 pm-10:50 am
Nonstop7h 35m
London Heathrow
Thu 2/19
6:50 am-2:35 pm
1 stop12h 45m
$618
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Tue 3/10
7:20 pm-6:40 am
Nonstop7h 20m
London Heathrow
Tue 3/17
6:50 am-3:35 pm
1 stop12h 45m
$618
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Wed 2/11
6:20 pm-6:40 am
Nonstop7h 20m
London Heathrow
Wed 2/18
6:50 am-2:35 pm
1 stop12h 45m
$618
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Wed 2/25
10:20 pm-10:40 am
Nonstop7h 20m
London Heathrow
Sun 3/1
8:40 am-4:05 pm
1 stop12h 25m
$619
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 January 29, 2026.
It’s typically best to fly out from District of Columbia to United Kingdom in the morning. Doing so could potentially save you 50% on the flight price compared to flying at noon, which is usually more expensive.
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 January 29, 2026.
The most flights from USDC to GB0 are scheduled on a Wednesday (26 on average). You will have fewer flight options on Tuesday, 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.
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.
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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$31 | Average$857 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$311 | Average$854 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$372 | Average$517 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$411 | Average$561 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$417 | Average$643 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$442 | Average$865 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$454 | Average$597 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$471 | Average$800 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$488 | Average$741 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$497 | Average$836 | FlexibilityNo cancel fee | On-time71% |