$233+ Cheap flights from Dulles Intl (IAD) 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to United KingdomExplore the most affordable flight options available from Dulles Intl to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
Explore the most affordable flight options available from Dulles Intl to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
This Gotogate deal was found by Cheapflights users on 3/10. 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.
Sun 4/58:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Mon 4/202:30 pm
GLA
- IAD
1 stop9h 50m
Icelandair
Deal found 3/10![Icelandair logo]()
$534
This oojo deal was found by Cheapflights users on 3/9. 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 10/108:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Fri 10/162:20 pm
GLA
- IAD
1 stop12h 55m
Icelandair
Deal found 3/9![Icelandair logo]()
$541
This Mytrip deal was found by Cheapflights users on 3/9. 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 8/238:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Mon 8/312:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 3/9![Icelandair logo]()
$548
This Gotogate deal was found by Cheapflights users on 3/9. 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.
Thu 8/208:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Mon 8/312:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 3/9![Icelandair logo]()
$549
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 10/411:20 pm
IAD
- GLA
1 stop9h 05m
Icelandair
Wed 10/212:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 3/9![Icelandair logo]()
$551
This oojo deal was found by Cheapflights users on 3/9. 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 9/78:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Mon 9/142:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 3/9![Icelandair logo]()
$555
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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.
Fri 8/1411:20 pm
IAD
- GLA
1 stop9h 05m
Icelandair
Fri 9/42:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 3/9![Icelandair logo]()
$565
This oojo deal was found by Cheapflights users on 3/9. 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.
Sun 4/268:30 pm
IAD
- MAN
1 stop10h 10m
Icelandair
Fri 5/81:05 pm
MAN
- IAD
1 stop11h 15m
Icelandair
Deal found 3/9![Icelandair logo]()
$565
This oojo deal was found by Cheapflights users on 3/9. 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 9/1811:20 pm
IAD
- MAN
1 stop31h 20m
Icelandair
Sun 9/271:05 pm
MAN
- IAD
1 stop11h 15m
Icelandair
Deal found 3/9![Icelandair logo]()
$575
This Mytrip deal was found by Cheapflights users on 3/10. 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.
Sat 4/2510:35 pm
IAD
- MAN
1 stop30h 30m
TAP AIR PORTUGAL
Tue 5/56:05 pm
MAN
- IAD
1 stop26h 05m
TAP AIR PORTUGAL
Deal found 3/10![TAP AIR PORTUGAL logo]()
$578
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Sat 10/38:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Wed 10/72:20 pm
GLA
- IAD
1 stop10h 00m
Icelandair
Deal found 3/11![Icelandair logo]()
$583
This oojo deal was found by Cheapflights users on 3/9. 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 4/205:45 pm
IAD
- INV
1 stop11h 35m
British Airways
Mon 4/278:30 am
INV
- IAD
1 stop16h 40m
British Airways
Deal found 3/9![British Airways logo]()
$586
Best flights from Dulles Intl to United KingdomDiscover carefully curated flight deals from Dulles Intl to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Dulles Intl to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:26 pm
IAD
- INV
2 stops14h 04m
American Airlines
Sun 4/266:50 am
INV
- IAD
2 stops22h 09m
American Airlines
Deal found 3/9![American Airlines logo]()
$604
This Icelandair deal was found by Cheapflights users on 3/9. 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.
Sun 4/268:30 pm
IAD
- LGW
1 stop13h 10m
Icelandair
Thu 4/301:00 pm
LGW
- IAD
1 stop11h 20m
Icelandair
Deal found 3/9![Icelandair logo]()
$612
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:40 pm
IAD
- INV
1 stop14h 05m
Delta
Wed 4/156:25 am
INV
- IAD
1 stop14h 10m
Delta
Deal found 3/12![Delta logo]()
$649
This KLM deal was found by Cheapflights users on 3/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:40 pm
IAD
- INV
1 stop23h 50m
KLM
Wed 4/151:15 pm
INV
- IAD
1 stop31h 20m
KLM
Deal found 3/10![KLM logo]()
$650
This Virgin Atlantic deal was found by Cheapflights users on 3/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:40 pm
IAD
- INV
1 stop14h 05m
Virgin Atlantic
Thu 4/166:25 am
INV
- IAD
1 stop14h 10m
Virgin Atlantic
Deal found 3/12![Virgin Atlantic logo]()
$650
This Norse deal was found by Cheapflights users on 3/10. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/38:30 pm
IAD
- LGW
1 stop32h 30m
Multiple Airlines
Wed 4/82:00 pm
LGW
- IAD
1 stop26h 33m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 3/2311:15 pm
IAD
- LHR
Nonstop7h 35m
United Airlines
Thu 4/96:50 am
LHR
- IAD
1 stop11h 40m
United Airlines
Deal found 3/8![United Airlines logo]()
$700
This Scandinavian Airlines deal was found by Cheapflights users on 3/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:20 pm
IAD
- MAN
2 stops34h 45m
Scandinavian Airlines
Thu 4/239:10 pm
MAN
- IAD
2 stops24h 50m
Scandinavian Airlines
Deal found 3/8![Scandinavian Airlines logo]()
$716
This British Airways deal was found by Cheapflights users on 3/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 pm
IAD
- LHR
Nonstop7h 40m
British Airways
Thu 4/3012:35 pm
LHR
- IAD
Nonstop8h 20m
British Airways
Deal found 3/9![British Airways logo]()
$729
This Turkish Airlines deal was found by Cheapflights users on 3/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/41:20 pm
IAD
- STN
1 stop22h 20m
Turkish Airlines
Fri 4/105:35 pm
STN
- IAD
1 stop23h 00m
Turkish Airlines
Deal found 3/12![Turkish Airlines logo]()
$730
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/11. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 pm
IAD
- LGW
2 stops21h 45m
TAP AIR PORTUGAL
Thu 4/3010:35 am
LGW
- IAD
1 stop15h 00m
TAP AIR PORTUGAL
Deal found 3/11![TAP AIR PORTUGAL logo]()
$784
This Lufthansa deal was found by Cheapflights users on 3/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:25 pm
IAD
- LCY
1 stop12h 15m
Lufthansa
Tue 5/269:15 am
LCY
- IAD
1 stop11h 50m
Lufthansa
Deal found 3/12![Lufthansa logo]()
$942
This Virgin Atlantic deal was found by Cheapflights users on 3/11. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:45 pm
IAD
- INV
2 stops19h 00m
Virgin Atlantic
Mon 5/116:25 am
INV
- IAD
1 stop14h 10m
Virgin Atlantic
Deal found 3/11![Virgin Atlantic logo]()
$654
This KLM deal was found by Cheapflights users on 3/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:10 pm
IAD
- INV
1 stop13h 35m
KLM
Thu 4/96:25 am
INV
- IAD
2 stops15h 27m
KLM
Deal found 3/9![KLM logo]()
$659
This Mytrip deal was found by Cheapflights users on 3/11. 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 4/298:20 pm
IAD
- LTN
2 stops21h 20m
Multiple Airlines
Mon 5/45:40 am
LTN
- IAD
2 stops16h 20m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:59 pm
IAD
- GLA
2 stops16h 36m
Delta
Mon 3/306:00 am
GLA
- IAD
1 stop14h 35m
Delta
Deal found 3/9![Delta logo]()
$714
This Scandinavian Airlines deal was found by Cheapflights users on 3/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:20 pm
IAD
- EDI
2 stops32h 10m
Scandinavian Airlines
Thu 4/2310:15 am
EDI
- IAD
2 stops35h 45m
Scandinavian Airlines
Deal found 3/9![Scandinavian Airlines logo]()
$718
This Icelandair deal was found by Cheapflights users on 3/10. 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.
Sun 4/198:30 pm
IAD
- MAN
1 stop10h 10m
Icelandair
Thu 4/231:05 pm
MAN
- IAD
1 stop11h 15m
Icelandair
Deal found 3/10![Icelandair logo]()
$723
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 4/35:35 pm
IAD
- MAN
1 stop11h 50m
United Airlines
Wed 4/810:35 am
MAN
- IAD
2 stops17h 50m
United Airlines
Deal found 3/8![United Airlines logo]()
$724
This Virgin Atlantic deal was found by Cheapflights users on 3/9. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:10 pm
IAD
- INV
1 stop23h 20m
Virgin Atlantic
Thu 4/96:25 am
INV
- IAD
1 stop14h 10m
Virgin Atlantic
Deal found 3/9![Virgin Atlantic logo]()
$665
This Turkish Airlines deal was found by Cheapflights users on 3/9. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:20 pm
IAD
- STN
1 stop22h 20m
Turkish Airlines
Thu 4/235:35 pm
STN
- IAD
1 stop23h 00m
Turkish Airlines
Deal found 3/9![Turkish Airlines logo]()
$737
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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 5/1010:25 pm
IAD
- INV
1 stop18h 10m
British Airways
Mon 5/258:30 am
INV
- IAD
1 stop13h 55m
British Airways
Deal found 3/10![British Airways logo]()
$752
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Mon 4/208:20 pm
IAD
- LTN
2 stops20h 55m
Multiple Airlines
Thu 4/236:05 am
LTN
- IAD
2 stops15h 55m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$709
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/12. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:35 pm
IAD
- LGW
1 stop12h 00m
TAP AIR PORTUGAL
Tue 5/269:15 pm
LGW
- IAD
2 stops22h 55m
TAP AIR PORTUGAL
Deal found 3/12![TAP AIR PORTUGAL logo]()
$788
This KLM deal was found by Cheapflights users on 3/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:40 pm
IAD
- GLA
1 stop14h 15m
KLM
Wed 4/89:10 am
GLA
- IAD
1 stop11h 25m
KLM
Deal found 3/9![KLM logo]()
$723
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Fri 7/315:35 pm
IAD
- MAN
1 stop11h 50m
United Airlines
Fri 8/219:00 am
MAN
- IAD
2 stops27h 43m
United Airlines
Deal found 3/9![United Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:10 pm
IAD
- LCY
1 stop9h 40m
Delta
Thu 4/1610:00 am
LCY
- IAD
1 stop10h 35m
Delta
Deal found 3/8![Delta logo]()
$734
This Turkish Airlines deal was found by Cheapflights users on 3/9. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:20 pm
IAD
- STN
1 stop15h 35m
Turkish Airlines
Tue 4/286:55 am
STN
- IAD
1 stop17h 55m
Turkish Airlines
Deal found 3/9![Turkish Airlines logo]()
$737
This British Airways deal was found by Cheapflights users on 3/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:40 pm
IAD
- GLA
1 stop12h 05m
British Airways
Sun 5/176:00 am
GLA
- IAD
1 stop16h 25m
British Airways
Deal found 3/11![British Airways logo]()
$765
This KAYAK deal was found by Cheapflights users on 3/9. 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.
Sun 5/105:40 pm
IAD
- INV
1 stop23h 50m
Scandinavian Airlines
Mon 5/251:15 pm
INV
- IAD
2 stops51h 03m
Scandinavian Airlines
Deal found 3/9![Scandinavian Airlines logo]()
$768
Last-minute flights from Dulles Intl to United KingdomDiscover last-minute flight deals from Dulles Intl to United Kingdom. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to United Kingdom. Data last updated March 13, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 3/10. 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.
Sun 4/58:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Mon 4/202:30 pm
GLA
- IAD
1 stop9h 50m
Icelandair
Deal found 3/10![Icelandair logo]()
$534
This Mytrip deal was found by Cheapflights users on 3/9. 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 4/128:20 pm
IAD
- STN
3 stops22h 05m
Multiple Airlines
Sat 4/186:35 am
STN
- IAD
2 stops15h 25m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$598
This oojo deal was found by Cheapflights users on 3/9. 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 4/168:20 pm
IAD
- LHR
1 stop20h 20m
Scandinavian Airlines
Sun 4/266:40 pm
LHR
- IAD
1 stop27h 20m
Scandinavian Airlines
Deal found 3/9![Scandinavian Airlines logo]()
$595
This oojo deal was found by Cheapflights users on 3/9. 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 4/1810:15 pm
IAD
- INV
1 stop18h 20m
British Airways
Sun 4/266:50 am
INV
- IAD
1 stop15h 25m
British Airways
Deal found 3/9![British Airways logo]()
$597
This Iberia deal was found by Cheapflights users on 3/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:59 pm
IAD
- INV
2 stops22h 36m
Multiple Airlines
Sun 4/266:50 am
INV
- IAD
1 stop15h 25m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$598
This FlightHub deal was found by Cheapflights users on 3/9. 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.
Sat 4/188:20 pm
IAD
- LHR
2 stops20h 15m
Scandinavian Airlines
Sun 4/267:30 pm
LHR
- IAD
1 stop26h 30m
Scandinavian Airlines
Deal found 3/9![Scandinavian Airlines logo]()
$598
This oojo deal was found by Cheapflights users on 3/9. 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 4/205:45 pm
IAD
- INV
1 stop11h 35m
British Airways
Mon 4/278:30 am
INV
- IAD
1 stop16h 40m
British Airways
Deal found 3/9![British Airways logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/208:20 pm
IAD
- STN
1 stop13h 30m
Multiple Airlines
Wed 4/297:00 am
STN
- IAD
1 stop15h 00m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$600
This Mytrip deal was found by Cheapflights users on 3/10. 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.
Sat 4/2510:35 pm
IAD
- MAN
1 stop30h 30m
TAP AIR PORTUGAL
Tue 5/56:05 pm
MAN
- IAD
1 stop26h 05m
TAP AIR PORTUGAL
Deal found 3/10![TAP AIR PORTUGAL logo]()
$578
This oojo deal was found by Cheapflights users on 3/8. 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 4/258:30 pm
IAD
- LGW
1 stop13h 10m
Icelandair
Sat 5/23:40 pm
LGW
- IAD
1 stop32h 40m
Icelandair
Deal found 3/8![Icelandair logo]()
$594
This oojo deal was found by Cheapflights users on 3/9. 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.
Sun 4/268:30 pm
IAD
- MAN
1 stop10h 10m
Icelandair
Fri 5/81:05 pm
MAN
- IAD
1 stop11h 15m
Icelandair
Deal found 3/9![Icelandair logo]()
$565
This oojo deal was found by Cheapflights users on 3/9. 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 4/288:30 pm
IAD
- LGW
1 stop13h 10m
Icelandair
Sun 5/103:40 pm
LGW
- IAD
1 stop11h 35m
Icelandair
Deal found 3/9![Icelandair logo]()
$593
One-way flights from Dulles Intl to United KingdomSearch for one-way flight options from Dulles Intl to United Kingdom. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Dulles Intl to United Kingdom. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This FlightHub deal was found by Cheapflights users on 3/9. 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.
Mon 4/278:30 pm
IAD
- GLA
1 stop11h 55m
Icelandair
Deal found 3/9![Icelandair logo]()
$233
This Mytrip deal was found by Cheapflights users on 3/13. 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 9/38:30 pm
IAD
- MAN
1 stop10h 10m
Icelandair
Deal found 3/13![Icelandair logo]()
$238
This FlightHub deal was found by Cheapflights users on 3/9. 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.
Sat 5/28:30 pm
IAD
- GLA
1 stop12h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/278:30 pm
IAD
- EDI
2 stops23h 05m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/78:30 pm
IAD
- EDI
2 stops29h 20m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sat 4/258:30 pm
IAD
- EDI
3 stops31h 50m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Sun 4/128:30 pm
IAD
- EDI
2 stops34h 35m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$256
This FlightHub deal was found by Cheapflights users on 3/9. 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.
Sat 4/258:30 pm
IAD
- GLA
1 stop12h 05m
Icelandair
Deal found 3/9![Icelandair logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Fri 5/811:20 pm
IAD
- EDI
2 stops44h 40m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/218:30 pm
IAD
- MAN
2 stops19h 50m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$271
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:35 pm
IAD
- MAN
1 stop13h 40m
TAP AIR PORTUGAL
Deal found 3/12![TAP AIR PORTUGAL logo]()
$277
This Booking.com deal was found by Cheapflights users on 3/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:35 pm
IAD
- MAN
1 stop30h 30m
TAP AIR PORTUGAL
Deal found 3/12![TAP AIR PORTUGAL logo]()
$295
Find flight deals from Dulles Intl to United Kingdom
Keep the following information in mind while searching for Dulles Intl to United Kingdom flight deals. Data was last updated March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $534 (Gotogate) |
One-way from | $233 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $701 |
Good round-trip deal | $707 or less |
Good one-way deal | $390 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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 March 13, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to the United Kingdom that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Inverness
IAD - INV
IADINV
Washington, D.C. Dulles Intl
Sat 4/18
3:26 pm-10:30 am
2 stops14h 04m
Inverness
Sun 4/26
6:50 am-11:59 pm
2 stops22h 09m
$604
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Sun 4/26
8:30 pm-2:40 pm
1 stop13h 10m
London Gatwick
Thu 4/30
1:00 pm-7:20 pm
1 stop11h 20m
$612
Washington, D.C.Inverness
IAD - INV
IADINV
Washington, D.C. Dulles Intl
Sun 4/5
5:40 pm-12:45 pm
1 stop14h 05m
Inverness
Wed 4/15
6:25 am-3:35 pm
1 stop14h 10m
$649
Washington, D.C.Inverness
IAD - INV
IADINV
Washington, D.C. Dulles Intl
Sun 4/5
5:40 pm-10:30 pm
1 stop23h 50m
Inverness
Wed 4/15
1:15 pm-3:35 pm
1 stop31h 20m
$650
Washington, D.C.Inverness
IAD - INV
IADINV
Washington, D.C. Dulles Intl
Tue 4/7
5:40 pm-12:45 pm
1 stop14h 05m
Inverness
Thu 4/16
6:25 am-3:35 pm
1 stop14h 10m
$650
Washington, D.C.Inverness
IAD - INV
IADINV
Washington, D.C. Dulles Intl
Mon 4/20
12:45 pm-12:45 pm
2 stops19h 00m
Inverness
Mon 5/11
6:25 am-3:35 pm
1 stop14h 10m
$654
Washington, D.C.Inverness
IAD - INV
IADINV
Washington, D.C. Dulles Intl
Wed 4/1
6:10 pm-12:45 pm
1 stop13h 35m
Inverness
Thu 4/9
6:25 am-4:52 pm
2 stops15h 27m
$659
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Fri 4/3
8:30 pm-10:00 am
1 stop32h 30m
London Gatwick
Wed 4/8
2:00 pm-11:33 am
1 stop26h 33m
$663
Washington, D.C.Inverness
IAD - INV
IADINV
Washington, D.C. Dulles Intl
Wed 4/1
6:10 pm-10:30 pm
1 stop23h 20m
Inverness
Thu 4/9
6:25 am-3:35 pm
1 stop14h 10m
$665
Washington, D.C.London
IAD - LTN
IADLTN
Washington, D.C. Dulles Intl
Wed 4/29
8:20 pm-10:40 pm
2 stops21h 20m
London Luton
Mon 5/4
5:40 am-5:00 pm
2 stops16h 20m
$687
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Dulles Intl with our price prediction graph.
IAD-BHX
IAD-MAN
IAD-GLA
IAD-LHR
IAD-EDI
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 Washington, D.C. Dulles Intl Airport to the United Kingdom
IAD-GB0
IAD-BHX
IAD-MAN
IAD-GLA
IAD-LHR
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to United Kingdom?
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to United Kingdom (average of $363). Flying from Washington, D.C. Dulles Intl Airport to United Kingdom in June is currently the most expensive (average of $600). 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 IAD to GB?
Find hourly flight availability from Dulles Intl 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 March 13, 2026.
It’s optimal to fly from Washington, D.C. Dulles Intl Airport to United Kingdom in the morning. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to United Kingdom
Explore weekly flight availability from Dulles Intl 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 March 13, 2026.
The most flights from IAD to GB0 are scheduled on a Wednesday (30 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).
How often are flights from Washington, D.C. to the United Kingdom delayed?
About 20% of weekly flights between Washington, D.C. and United Kingdom have experienced delays in the past year, with the average delay time being 164 minutes.
What is the most punctual flight time for Washington, D.C. to the United Kingdom flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to the United Kingdom flights?
Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 15% of flights being delayed.
Reviews of airlines servicing United Kingdom
Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated March 13, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to the United Kingdom, such as United Airlines,Aer Lingus, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl 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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Dulles Intl and United Kingdom flights
Browse other Dulles Intl and United Kingdom flight options. Last updated on March 13, 2026.
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Top 10 airlines flying from Dulles Intl to United Kingdom
Discover the top 10 airlines that operate flights from Dulles Intl 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 March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$549 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$398 | Average$625 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$454 | Average$596 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$515 | Average$828 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$523 | Average$773 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$530 | Average$770 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$536 | Average$834 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$549 | Average$793 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$558 | Average$912 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$573 | Average$896 | FlexibilityNo cancel fee | On-time71% |