$252+ Cheap flights from Dulles Intl (IAD) to the United Kingdom
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
Nov 24 — Dec 11
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 October 25, 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 October 25, 2026.
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Tue 11/109:55 am -
2 stops23h 45m
Tue 11/176:00 am -
2 stops19h 23m
Deal found 10/22![Multiple Airlines logo]()
$515
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Tue 11/109:55 am -
2 stops23h 45m
Wed 11/188:15 am -
2 stops17h 08m
Deal found 10/22![Multiple Airlines logo]()
$527
This Mytrip deal was found by Cheapflights users on 10/22. 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 11/910:55 pm -
2 stops18h 20m
Tue 11/176:00 am -
2 stops19h 23m
Deal found 10/22![Multiple Airlines logo]()
$553
This Mytrip deal was found by Cheapflights users on 10/22. 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 11/279:55 am -
2 stops31h 00m
Sat 12/55:50 am -
2 stops19h 33m
Deal found 10/22![Multiple Airlines logo]()
$561
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Tue 12/89:05 am -
2 stops30h 35m
Tue 12/156:00 am -
2 stops19h 23m
Deal found 10/21![Multiple Airlines logo]()
$573
This WAYA deal was found by Cheapflights users on 10/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:50 pm -
1 stop15h 45m
Mon 12/146:05 am -
1 stop15h 15m
Deal found 10/20![Multiple Airlines logo]()
$575
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Mon 11/169:55 am -
2 stops21h 30m
Tue 11/246:00 am -
2 stops19h 23m
Deal found 10/22![Multiple Airlines logo]()
$579
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Tue 12/89:05 am -
2 stops30h 35m
Wed 12/168:15 am -
2 stops17h 08m
Deal found 10/22![Multiple Airlines logo]()
$595
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Tue 12/89:05 am -
2 stops30h 35m
Mon 12/1410:00 am -
2 stops36h 00m
Deal found 10/21![Multiple Airlines logo]()
$606
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Tue 11/249:55 am -
2 stops23h 45m
Wed 12/21:50 pm -
2 stops32h 10m
Deal found 10/22![Multiple Airlines logo]()
$609
This Mytrip deal was found by Cheapflights users on 10/20. 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 12/79:05 am -
2 stops22h 20m
Tue 12/156:00 am -
2 stops19h 23m
Deal found 10/20![Multiple Airlines logo]()
$615
This Mytrip deal was found by Cheapflights users on 10/23. 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 12/77:40 pm -
2 stops18h 25m
Mon 12/1410:40 pm -
2 stops24h 50m
Deal found 10/23![Multiple Airlines logo]()
$633
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 October 25, 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 October 25, 2026.
This WAYA deal was found by Cheapflights users on 10/24. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:50 pm -
1 stop23h 25m
Mon 11/307:45 pm -
1 stop25h 35m
Deal found 10/24![Multiple Airlines logo]()
$708
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/22. 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.
Mon 11/95:25 pm -
2 stops22h 10m
Mon 11/164:35 pm -
1 stop27h 05m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$738
This KAYAK deal was found by Cheapflights users on 10/23. 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.
Mon 11/308:30 pm -
2 stops31h 25m
Thu 12/37:05 am -
2 stops15h 10m
Deal found 10/23![Scandinavian Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 10/22. 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 3/1510:10 pm -
2 stops54h 50m
Fri 3/196:10 am -
2 stops19h 10m
Deal found 10/22![United Airlines logo]()
$796
This Icelandair deal was found by Cheapflights users on 10/24. 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.
Sat 11/147:40 pm -
1 stop10h 15m
Wed 11/1811:55 am -
1 stop11h 35m
Deal found 10/24![Icelandair logo]()
$800
This FlightHub deal was found by Cheapflights users on 10/24. 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.
Thu 12/31:30 pm -
1 stop15h 10m
Mon 12/710:40 am -
1 stop37h 45m
Deal found 10/24![Turkish Airlines logo]()
$888
This British Airways deal was found by Cheapflights users on 10/22. 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 4/67:15 pm -
Nonstop7h 30m
Wed 5/512:15 pm -
1 stop12h 10m
Deal found 10/22![British Airways logo]()
$908
This KLM deal was found by Cheapflights users on 10/24. 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 12/38:45 pm -
Nonstop7h 25m
Fri 12/118:40 am -
1 stop12h 15m
Deal found 10/24![KLM logo]()
$924
This Virgin Atlantic deal was found by Cheapflights users on 10/24. 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.
Sun 12/68:07 am -
2 stops23h 38m
Sun 12/133:25 pm -
2 stops31h 08m
Deal found 10/24![Virgin Atlantic logo]()
$991
This Delta deal was found by Cheapflights users on 10/20. 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 11/1812:35 pm -
2 stops16h 05m
Tue 11/246:00 am -
2 stops16h 28m
Deal found 10/20![Delta logo]()
$1,084
This KAYAK deal was found by Cheapflights users on 10/21. 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 11/225:15 pm -
1 stop9h 45m
Mon 11/308:35 pm -
1 stop24h 10m
Deal found 10/21![Aer Lingus logo]()
$1,327
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/21. 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 12/15:25 pm -
1 stop11h 25m
Mon 12/79:35 pm -
2 stops22h 05m
Deal found 10/21![TAP AIR PORTUGAL logo]()
$740
This Mytrip deal was found by Cheapflights users on 10/24. 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 12/94:30 pm -
2 stops19h 00m
Wed 12/167:10 pm -
2 stops25h 45m
Deal found 10/24![Multiple Airlines logo]()
$779
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/24. 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.
Mon 11/305:25 pm -
2 stops34h 25m
Thu 12/104:00 pm -
1 stop33h 30m
Deal found 10/24![TAP AIR PORTUGAL logo]()
$746
This Icelandair deal was found by Cheapflights users on 10/22. 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 11/87:40 pm -
1 stop9h 15m
Thu 11/1211:55 am -
1 stop11h 35m
Deal found 10/22![Icelandair logo]()
$852
This Scandinavian Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 12/38:30 pm -
2 stops17h 20m
Wed 12/97:05 am -
2 stops15h 10m
Deal found 10/22![Scandinavian Airlines logo]()
$871
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 11/81:30 pm -
1 stop15h 30m
Wed 11/1811:00 am -
1 stop37h 25m
Deal found 10/20![Turkish Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 10/24. 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 4/213:35 pm -
2 stops13h 50m
Fri 4/309:00 am -
2 stops16h 33m
Deal found 10/24![United Airlines logo]()
$908
This KLM deal was found by Cheapflights users on 10/23. 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.
Tue 12/85:14 pm -
2 stops14h 31m
Tue 12/151:15 pm -
1 stop31h 40m
Deal found 10/23![KLM logo]()
$931
This Mytrip deal was found by Cheapflights users on 10/22. 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 12/611:02 am -
3 stops20h 48m
Sun 12/136:00 am -
2 stops18h 05m
Deal found 10/22![Multiple Airlines logo]()
$862
This Icelandair deal was found by Cheapflights users on 10/20. 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 11/87:40 pm -
1 stop10h 05m
Thu 11/1211:55 am -
1 stop11h 35m
Deal found 10/20![Icelandair logo]()
$863
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/22. 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.
Wed 11/410:30 pm -
1 stop11h 35m
Fri 11/2010:40 am -
1 stop14h 50m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$785
This Scandinavian Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 12/28:30 pm -
2 stops17h 20m
Mon 12/76:40 am -
2 stops15h 35m
Deal found 10/20![Scandinavian Airlines logo]()
$874
This British Airways deal was found by Cheapflights users on 10/22. 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.
Wed 1/206:05 pm -
1 stop12h 15m
Tue 2/96:45 am -
1 stop13h 55m
Deal found 10/22![British Airways logo]()
$977
This Brussels Airlines deal was found by Cheapflights users on 10/22. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:20 pm -
2 stops16h 40m
Mon 11/303:50 pm -
2 stops52h 35m
Deal found 10/22![Brussels Airlines logo]()
$1,968
This Turkish Airlines deal was found by Cheapflights users on 10/24. 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 11/181:30 pm -
1 stop21h 20m
Tue 11/2410:30 pm -
1 stop25h 55m
Deal found 10/24![Turkish Airlines logo]()
$925
This KLM deal was found by Cheapflights users on 10/20. 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 1/136:55 pm -
Nonstop7h 25m
Sun 1/176:30 am -
1 stop14h 10m
Deal found 10/20![KLM logo]()
$935
This Mytrip deal was found by Cheapflights users on 10/22. 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 12/611:20 am -
3 stops19h 15m
Sun 12/136:10 am -
2 stops17h 55m
Deal found 10/22![Multiple Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/159:05 am -
1 stop17h 05m
Tue 12/224:20 pm -
Nonstop8h 55m
Deal found 10/20![United Airlines logo]()
$963
This Icelandair deal was found by Cheapflights users on 10/20. 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.
Wed 11/257:40 pm -
1 stop10h 05m
Thu 12/1011:55 am -
1 stop11h 35m
Deal found 10/20![Icelandair logo]()
$878
Last-minute flights from Dulles Intl to United KingdomDiscover last-minute flight deals from Dulles Intl to United Kingdom. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to United Kingdom. Data last updated October 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/21. 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 11/710:55 pm -
3 stops28h 25m
Tue 11/175:25 pm -
3 stops31h 58m
Deal found 10/21![Multiple Airlines logo]()
$668
This KAYAK deal was found by Cheapflights users on 10/20. 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 11/810:30 pm -
1 stop12h 15m
Mon 11/164:35 pm -
1 stop27h 05m
Deal found 10/20![TAP AIR PORTUGAL logo]()
$671
This Mytrip deal was found by Cheapflights users on 10/22. 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 11/910:55 pm -
2 stops18h 20m
Tue 11/176:00 am -
2 stops19h 23m
Deal found 10/22![Multiple Airlines logo]()
$553
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Tue 11/109:55 am -
2 stops23h 45m
Tue 11/176:00 am -
2 stops19h 23m
Deal found 10/22![Multiple Airlines logo]()
$515
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Tue 11/109:55 am -
2 stops23h 45m
Wed 11/188:15 am -
2 stops17h 08m
Deal found 10/22![Multiple Airlines logo]()
$527
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Mon 11/169:55 am -
2 stops21h 30m
Tue 11/246:00 am -
2 stops19h 23m
Deal found 10/22![Multiple Airlines logo]()
$579
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Tue 11/179:55 am -
2 stops29h 45m
Tue 11/246:00 am -
2 stops19h 23m
Deal found 10/20![Multiple Airlines logo]()
$641
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Tue 11/249:55 am -
2 stops23h 45m
Wed 12/21:50 pm -
2 stops32h 10m
Deal found 10/22![Multiple Airlines logo]()
$609
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Tue 11/247:40 pm -
2 stops19h 20m
Tue 12/18:50 am -
2 stops14h 40m
Deal found 10/22![Multiple Airlines logo]()
$673
This Mytrip deal was found by Cheapflights users on 10/20. 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 11/259:55 am -
2 stops30h 10m
Wed 12/21:50 pm -
2 stops32h 10m
Deal found 10/20![Multiple Airlines logo]()
$634
This Mytrip deal was found by Cheapflights users on 10/22. 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 11/279:55 am -
2 stops31h 00m
Sat 12/55:50 am -
2 stops19h 33m
Deal found 10/22![Multiple Airlines logo]()
$561
This Mytrip deal was found by Cheapflights users on 10/22. 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 11/309:55 am -
3 stops29h 10m
Mon 12/76:30 pm -
3 stops30h 53m
Deal found 10/22![Multiple Airlines logo]()
$673
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 October 25, 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 October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Thu 11/265:25 pm -
2 stops24h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 10/24. 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.
Thu 11/265:25 pm -
3 stops25h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$280
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Tue 11/177:40 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Icelandair logo]()
$288
This Booking.com deal was found by Cheapflights users on 10/21. 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.
Wed 2/37:40 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Icelandair logo]()
$291
This Booking.com deal was found by Cheapflights users on 10/24. 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 11/267:40 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$293
This oojo deal was found by Cheapflights users on 10/24. 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 12/87:40 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$297
This oojo deal was found by Cheapflights users on 10/22. 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 12/17:40 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Icelandair logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Wed 1/137:40 pm -
2 stops22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$300
This FlightHub deal was found by Cheapflights users on 10/24. 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 12/77:40 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Icelandair logo]()
$304
This FlightHub deal was found by Cheapflights users on 10/22. 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 1/187:40 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Icelandair logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/95:25 pm -
2 stops35h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/2910:30 pm -
3 stops41h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$307
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $497 (WAYA) |
One-way from | $252 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $871 |
Good round-trip deal | $896 or less |
Good one-way deal | $446 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 7,457,451 searches. Data last updated October 25, 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.Manchester
IAD Washington, D.C. Dulles Intl - MAN Manchester
IADMAN
Washington, D.C. Dulles Intl
Tue 12/1
7:40 pm-10:45 am
1 stop10h 05m
Manchester
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$298
Washington, D.C.Glasgow
IAD Washington, D.C. Dulles Intl - GLA Glasgow Intl
IADGLA
Washington, D.C. Dulles Intl
Wed 1/20
6:05 pm-10:30 am
1 stop11h 25m
Glasgow Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$316
Washington, D.C.Glasgow
IAD Washington, D.C. Dulles Intl - GLA Glasgow Intl
IADGLA
Washington, D.C. Dulles Intl
Mon 11/23
7:40 pm-7:00 pm
3 stops42h 20m
Glasgow Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$323
Washington, D.C.London
IAD Washington, D.C. Dulles Intl - LHR London Heathrow
IADLHR
Washington, D.C. Dulles Intl
Mon 3/15
7:55 pm-7:20 am
Nonstop7h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$325
Washington, D.C.Manchester
IAD Washington, D.C. Dulles Intl - MAN Manchester
IADMAN
Washington, D.C. Dulles Intl
Sun 4/18
5:40 pm-9:55 am
1 stop11h 15m
Manchester
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$326
Washington, D.C.Manchester
IAD Washington, D.C. Dulles Intl - MAN Manchester
IADMAN
Washington, D.C. Dulles Intl
Wed 4/21
10:25 pm-3:30 pm
1 stop12h 05m
Manchester
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$326
Washington, D.C.London
IAD Washington, D.C. Dulles Intl - LHR London Heathrow
IADLHR
Washington, D.C. Dulles Intl
Sun 4/4
7:15 pm-7:45 am
Nonstop7h 30m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$330
Washington, D.C.Liverpool
IAD Washington, D.C. Dulles Intl - LPL Liverpool J. Lennon
IADLPL
Washington, D.C. Dulles Intl
Wed 1/20
7:40 pm-6:55 am
3 stops30h 15m
Liverpool J. Lennon
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$333
Washington, D.C.Manchester
IAD Washington, D.C. Dulles Intl - MAN Manchester
IADMAN
Washington, D.C. Dulles Intl
Wed 11/4
10:30 pm-10:40 am
1 stop31h 10m
Manchester
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$341
Washington, D.C.Edinburgh
IAD Washington, D.C. Dulles Intl - EDI Edinburgh Turnhouse
IADEDI
Washington, D.C. Dulles Intl
Tue 11/24
7:40 pm-9:35 pm
2 stops20h 55m
Edinburgh Turnhouse
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$349
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-MAN
IAD-GLA
IAD-LHR
IAD-BHX
IAD-NCL
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-MAN
IAD-GLA
IAD-LHR
IAD-BHX
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to United Kingdom?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to United Kingdom (average of $710). Flying from Washington, D.C. Dulles Intl Airport to United Kingdom in June is currently the most expensive (average of $1,273). 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 October 25, 2026.
When flying from Washington, D.C. Dulles Intl Airport to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 October 25, 2026.
The most flights from IAD to GB0 are scheduled on a Saturday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).
How often are flights from Washington, D.C. to the United Kingdom delayed?
About 17% of weekly flights between Washington, D.C. and United Kingdom have experienced delays in the past year, with the average delay time being 173 minutes.
What is the most punctual flight time for Washington, D.C. to the United Kingdom flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning 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 Thursday 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 13% of flights being delayed.
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to United Kingdom?
Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to United Kingdom. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 October 25, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to the United Kingdom, such as Virgin Atlantic,Aer Lingus, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
7.5
Boarding
7.7
Crew
8.1
Food
6.9
Comfort
7.3
Reviews
1 / 20
6.0
GoodPratap,Aug 2025
JFK - LHR
Entertainment
7.5
Overall
7.5
Boarding
7.7
Crew
8.1
Food
6.9
Comfort
7.3
Reviews
1 / 20
6.0
GoodPratap,Aug 2025
JFK - LHR
Entertainment
7.5
Overall
7.5
Boarding
7.7
Crew
8.1
Food
6.9
Comfort
7.3
Reviews
1 / 20
6.0
GoodPratap,Aug 2025
JFK - LHR
Entertainment
7.5
Overall
7.5
Boarding
7.7
Crew
8.1
Food
6.9
Comfort
7.3
Reviews
1 / 20
6.0
GoodPratap,Aug 2025
JFK - LHR
Entertainment
7.5
Overall
7.5
Boarding
7.7
Crew
8.1
Food
6.9
Comfort
7.3
Reviews
1 / 20
6.0
GoodPratap,Aug 2025
JFK - LHR
Entertainment
7.5
Overall
7.5
Boarding
7.7
Crew
8.1
Food
6.9
Comfort
7.3
Reviews
1 / 20
6.0
GoodPratap,Aug 2025
JFK - LHR
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 October 25, 2026.
Popular flight searches
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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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$424 | Average$641 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$432 | Average$963 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$450 | Average$981 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$487 | Average$713 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$496 | Average$797 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$500 | Average$880 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$520 | Average$1,016 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$581 | Average$1,069 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$593 | Average$870 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$606 | Average$900 | FlexibilityNo cancel fee | On-time76% |