$262+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
Oct 10 — Oct 171
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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/37:40 pm -
1 stop12h 05m
Wed 11/116:10 am -
1 stop17h 20m
Deal found 9/7![Multiple Airlines logo]()
$479
This Mytrip deal was found by Cheapflights users on 9/7. 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 11/47:40 pm -
1 stop12h 10m
Wed 11/116:10 am -
1 stop17h 20m
Deal found 9/7![Multiple Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/37:40 pm -
1 stop12h 05m
Tue 11/107:00 am -
1 stop16h 30m
Deal found 9/7![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 11/187:40 pm -
1 stop12h 10m
Wed 11/256:10 am -
1 stop17h 20m
Deal found 9/9![Multiple Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/47:40 pm -
1 stop12h 10m
Tue 11/107:00 am -
1 stop16h 30m
Deal found 9/7![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/37:40 pm -
1 stop12h 05m
Sun 11/86:00 am -
1 stop17h 30m
Deal found 9/7![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/37:40 pm -
1 stop12h 05m
Thu 11/126:15 am -
1 stop17h 15m
Deal found 9/7![Multiple Airlines logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/37:40 pm -
1 stop12h 05m
Fri 11/136:10 am -
1 stop17h 20m
Deal found 9/7![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Mon 10/268:40 pm -
1 stop12h 55m
Sat 10/318:35 am -
1 stop14h 55m
Deal found 9/8![Multiple Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/27:40 pm -
1 stop12h 55m
Wed 11/116:10 am -
1 stop17h 20m
Deal found 9/7![Multiple Airlines logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/47:40 pm -
1 stop12h 10m
Fri 11/136:10 am -
1 stop17h 20m
Deal found 9/7![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 11/27:40 pm -
1 stop12h 55m
Tue 11/107:00 am -
1 stop16h 30m
Deal found 9/7![Multiple Airlines logo]()
$535
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 September 10, 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 September 10, 2026.
This deal was found by Cheapflights users on 9/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:40 pm -
1 stop9h 15m
Sat 11/1411:55 am -
1 stop11h 35m
Deal found 9/5![Icelandair logo]()
$625
This Vueling Global deal was found by Cheapflights users on 9/9. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:25 pm -
2 stops31h 05m
Mon 10/129:05 pm -
2 stops26h 45m
Deal found 9/9![Multiple Airlines logo]()
$725
This Virgin Atlantic deal was found by Cheapflights users on 9/9. 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 9/239:45 pm -
1 stop13h 15m
Tue 10/610:35 am -
1 stop14h 00m
Deal found 9/9![Virgin Atlantic logo]()
$744
This British Airways deal was found by Cheapflights users on 9/9. 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.
Wed 12/26:05 pm -
1 stop10h 25m
Sat 12/1212:40 pm -
1 stop12h 15m
Deal found 9/9![British Airways logo]()
$757
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/110:40 pm -
1 stop17h 00m
Mon 10/55:55 pm -
1 stop25h 20m
Deal found 9/9![United Airlines logo]()
$789
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/9. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:05 pm -
2 stops22h 20m
Wed 11/114:35 pm -
1 stop27h 40m
Deal found 9/9![TAP AIR PORTUGAL logo]()
$794
This Scandinavian Airlines deal was found by Cheapflights users on 9/6. 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 10/118:20 pm -
1 stop17h 10m
Tue 10/207:50 pm -
2 stops45h 00m
Deal found 9/6![Scandinavian Airlines logo]()
$806
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:05 pm -
Nonstop7h 35m
Mon 10/261:20 pm -
Nonstop8h 40m
Deal found 9/10![Delta logo]()
$831
This Turkish Airlines deal was found by Cheapflights users on 9/6. 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 10/49:40 pm -
1 stop38h 00m
Tue 10/135:35 pm -
1 stop22h 55m
Deal found 9/6![Turkish Airlines logo]()
$855
This KLM deal was found by Cheapflights users on 9/5. 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 10/85:30 pm -
1 stop9h 25m
Sat 10/3110:00 am -
1 stop10h 55m
Deal found 9/5![KLM logo]()
$981
This Lufthansa deal was found by Cheapflights users on 9/6. 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 9/283:25 pm -
1 stop12h 15m
Mon 10/59:15 am -
1 stop11h 50m
Deal found 9/6![Lufthansa logo]()
$1,088
This SWISS deal was found by Cheapflights users on 9/7. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:25 pm -
1 stop14h 25m
Mon 11/27:05 pm -
1 stop25h 25m
Deal found 9/7![SWISS logo]()
$1,131
This deal was found by Cheapflights users on 9/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:40 pm -
1 stop9h 15m
Fri 11/1311:35 am -
1 stop11h 55m
Deal found 9/5![Icelandair logo]()
$625
This Virgin Atlantic deal was found by Cheapflights users on 9/9. 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.
Mon 10/267:40 pm -
1 stop16h 05m
Tue 11/310:00 am -
2 stops18h 16m
Deal found 9/9![Virgin Atlantic logo]()
$754
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/7. 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 10/2811:30 pm -
2 stops30h 30m
Wed 11/44:35 pm -
1 stop27h 40m
Deal found 9/7![TAP AIR PORTUGAL logo]()
$794
This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:45 pm -
1 stop12h 05m
Sun 1/103:45 pm -
1 stop33h 10m
Deal found 9/10![British Airways logo]()
$807
This Scandinavian Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/98:20 pm -
2 stops17h 10m
Fri 10/169:05 pm -
2 stops24h 55m
Deal found 9/9![Scandinavian Airlines logo]()
$811
This Icelandair deal was found by Cheapflights users on 9/9. 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 11/87:40 pm -
1 stop10h 05m
Thu 11/1211:55 am -
1 stop11h 35m
Deal found 9/9![Icelandair logo]()
$759
This Mytrip deal was found by Cheapflights users on 9/5. 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 11/119:55 am -
2 stops24h 00m
Thu 11/198:10 pm -
2 stops24h 45m
Deal found 9/5![Multiple Airlines logo]()
$837
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 11/810:15 pm -
Nonstop7h 35m
Tue 11/176:35 am -
1 stop18h 30m
Deal found 9/6![United Airlines logo]()
$852
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/16:26 pm -
2 stops16h 44m
Sun 10/116:00 am -
1 stop14h 35m
Deal found 9/9![Delta logo]()
$854
This Turkish Airlines deal was found by Cheapflights users on 9/6. 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 10/79:40 pm -
1 stop31h 15m
Wed 10/1410:50 am -
1 stop29h 40m
Deal found 9/6![Turkish Airlines logo]()
$855
This Virgin Atlantic deal was found by Cheapflights users on 9/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/116:15 pm -
1 stop10h 15m
Fri 1/227:45 am -
2 stops15h 41m
Deal found 9/10![Virgin Atlantic logo]()
$795
This British Airways deal was found by Cheapflights users on 9/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:15 pm -
1 stop22h 55m
Thu 10/1510:50 am -
1 stop11h 35m
Deal found 9/8![British Airways logo]()
$835
This Turkish Airlines deal was found by Cheapflights users on 9/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:15 pm -
1 stop22h 35m
Thu 10/225:35 pm -
1 stop22h 55m
Deal found 9/10![Turkish Airlines logo]()
$855
This Delta deal was found by Cheapflights users on 9/8. 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.
Tue 10/133:03 pm -
2 stops16h 52m
Thu 10/229:10 am -
1 stop11h 25m
Deal found 9/8![Delta logo]()
$860
This Scandinavian Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 9/258:20 pm -
2 stops15h 05m
Wed 9/309:05 pm -
2 stops24h 55m
Deal found 9/5![Scandinavian Airlines logo]()
$881
This KLM deal was found by Cheapflights users on 9/6. 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.
Fri 10/95:30 pm -
1 stop11h 00m
Mon 10/129:20 am -
1 stop11h 15m
Deal found 9/6![KLM logo]()
$981
This Norse deal was found by Cheapflights users on 9/6. 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 10/911:12 am -
1 stop17h 48m
Mon 10/122:00 pm -
1 stop25h 17m
Deal found 9/6![Multiple Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 1/114:30 pm -
2 stops39h 00m
Thu 1/146:00 am -
1 stop13h 35m
Deal found 9/9![United Airlines logo]()
$897
Last-minute flights from Dulles Intl to United KingdomDiscover last-minute flight deals from Dulles Intl to United Kingdom. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to United Kingdom. Data last updated September 10, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/9. 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.
Mon 10/58:30 pm -
1 stop11h 55m
Fri 10/162:20 pm -
1 stop10h 00m
Deal found 9/9![Icelandair logo]()
$612
This Vueling Global deal was found by Cheapflights users on 9/9. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 pm -
2 stops37h 30m
Mon 10/1212:10 pm -
2 stops35h 40m
Deal found 9/9![Multiple Airlines logo]()
$613
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:15 pm -
1 stop9h 25m
Wed 10/1412:00 pm -
1 stop12h 25m
Deal found 9/9![Multiple Airlines logo]()
$647
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:20 pm -
1 stop9h 05m
Tue 10/202:20 pm -
1 stop10h 00m
Deal found 9/7![Icelandair logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/128:30 pm -
1 stop11h 55m
Thu 10/222:20 pm -
1 stop10h 00m
Deal found 9/7![Icelandair logo]()
$623
This Gotogate deal was found by Cheapflights users on 9/6. 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.
Mon 10/198:30 pm -
1 stop11h 55m
Wed 11/411:35 am -
1 stop11h 55m
Deal found 9/6![Icelandair logo]()
$591
This Cheapflightsfares deal was found by Cheapflights users on 9/7. 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.
Mon 10/198:30 pm -
1 stop11h 55m
Sat 10/3111:55 am -
1 stop11h 35m
Deal found 9/7![Icelandair logo]()
$594
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Sat 10/248:40 pm -
2 stops22h 00m
Sat 10/317:40 am -
2 stops15h 50m
Deal found 9/9![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Mon 10/268:40 pm -
1 stop12h 55m
Sat 10/318:35 am -
1 stop14h 55m
Deal found 9/8![Multiple Airlines logo]()
$517
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:40 pm -
1 stop9h 15m
Sat 10/3111:55 am -
1 stop11h 35m
Deal found 9/6![Icelandair logo]()
$596
This deal was found by Cheapflights users on 9/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:40 pm -
1 stop9h 15m
Thu 11/1211:55 am -
1 stop11h 35m
Deal found 9/5![Icelandair logo]()
$625
This deal was found by Cheapflights users on 9/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:40 pm -
1 stop9h 15m
Mon 11/1611:55 am -
1 stop11h 35m
Deal found 9/5![Icelandair logo]()
$636
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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/57:50 am -
3 stops46h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$262
This Mytrip deal was found by Cheapflights users on 9/7. 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 11/47:40 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Icelandair logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/58:30 pm -
2 stops23h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/68:30 pm -
2 stops13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$269
This oojo deal was found by Cheapflights users on 9/6. 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 11/37:40 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Icelandair logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 10/711:12 am -
2 stops28h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sat 10/318:40 pm -
2 stops30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/138:30 pm -
2 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$275
This Mytrip deal was found by Cheapflights users on 9/10. 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 11/147:40 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Icelandair logo]()
$276
This Justfly.com deal was found by Cheapflights users on 9/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:30 pm -
1 stop10h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Icelandair logo]()
$276
This deal was found by Cheapflights users on 9/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:40 pm -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Icelandair logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/1111:12 am -
2 stops29h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$281
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $479 (Kiwi.com) |
One-way from | $262 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $890 |
Good round-trip deal | $944 or less |
Good one-way deal | $445 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 September 10, 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
$269
Washington, D.C.Glasgow
IAD Washington, D.C. Dulles Intl - GLA Glasgow Intl
IADGLA
Washington, D.C. Dulles Intl
Sat 11/7
7:40 pm-9:55 am
1 stop9h 15m
Glasgow Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$281
Washington, D.C.Birmingham
IAD Washington, D.C. Dulles Intl - BHX Birmingham
IADBHX
Washington, D.C. Dulles Intl
Sun 10/11
11:20 pm-11:15 am
2 stops30h 55m
Birmingham
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$298
Washington, D.C.Manchester
IAD Washington, D.C. Dulles Intl - MAN Manchester
IADMAN
Washington, D.C. Dulles Intl
Thu 2/25
7:40 pm-7:15 am
2 stops30h 35m
Manchester
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$311
Washington, D.C.Birmingham
IAD Washington, D.C. Dulles Intl - BHX Birmingham
IADBHX
Washington, D.C. Dulles Intl
Tue 10/27
6:25 pm-7:50 am
3 stops33h 25m
Birmingham
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$325
Washington, D.C.London
IAD Washington, D.C. Dulles Intl - LTN London Luton
IADLTN
Washington, D.C. Dulles Intl
Wed 12/9
8:50 pm-5:35 pm
3 stops15h 45m
London Luton
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$329
Washington, D.C.London
IAD Washington, D.C. Dulles Intl - LHR London Heathrow
IADLHR
Washington, D.C. Dulles Intl
Tue 10/27
5:30 pm-3:40 pm
1 stop18h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
Washington, D.C.London
IAD Washington, D.C. Dulles Intl - LHR London Heathrow
IADLHR
Washington, D.C. Dulles Intl
Sun 10/25
5:30 pm-3:40 pm
1 stop18h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
Washington, D.C.Glasgow
IAD Washington, D.C. Dulles Intl - GLA Glasgow Intl
IADGLA
Washington, D.C. Dulles Intl
Thu 10/22
11:12 am-9:30 am
2 stops41h 18m
Glasgow Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$340
Washington, D.C.London
IAD Washington, D.C. Dulles Intl - LCY London City
IADLCY
Washington, D.C. Dulles Intl
Wed 1/20
11:05 am-9:30 am
2 stops17h 25m
London City
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$346
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-GLA
IAD-LGW
IAD-LHR
IAD-STN
IAD-LCY
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-GLA
IAD-LGW
IAD-LHR
IAD-STN
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 $693). Flying from Washington, D.C. Dulles Intl Airport to United Kingdom in June is currently the most expensive (average of $1,272). 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 September 10, 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 September 10, 2026.
The most flights from IAD to GB0 are scheduled on a Wednesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 172 minutes.
What is the most punctual flight time for Washington, D.C. to the United Kingdom flights?
Historically, flights departing at night 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 Wednesday 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 62 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 September 10, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to the United Kingdom, such as United Airlines,Virgin Atlantic, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Food
6.7
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
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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Alternative routes for Dulles Intl to United Kingdom
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Dulles Intl and United Kingdom flights
Browse other Dulles Intl and United Kingdom flight options. Last updated on September 10, 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$309 | Average$546 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$449 | Average$936 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$484 | Average$818 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$487 | Average$700 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$508 | Average$914 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$520 | Average$943 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$568 | Average$831 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$577 | Average$1,019 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$581 | Average$1,067 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$593 | Average$985 | FlexibilityNo cancel fee | On-time79% |