$428+ Cheap flights from the United Kingdom to Washington
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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Sep 6 — Sep 131
Round-trip
1 adult, Economy
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Cheapest flights from United Kingdom to WashingtonExplore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.
Explore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.
This deal was found by Cheapflights users on 8/5. 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.
Wed 9/910:55 am -
1 stop15h 41m
Fri 5/79:50 pm -
Nonstop9h 45m
Deal found 8/5![Delta logo]()
$605
This deal was found by Cheapflights users on 8/3. 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.
Mon 8/319:50 am -
Nonstop9h 45m
Fri 9/181:30 pm -
Nonstop9h 15m
Deal found 8/3![British Airways logo]()
$606
This Ticket deal was found by Cheapflights users on 8/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:25 pm -
1 stop31h 15m
Mon 9/283:40 pm -
1 stop12h 15m
Deal found 8/7![Icelandair logo]()
$607
This deal was found by Cheapflights users on 8/3. 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.
Wed 8/261:05 pm -
1 stop15h 35m
Fri 9/183:40 pm -
1 stop12h 15m
Deal found 8/3![Icelandair logo]()
$611
This deal was found by Cheapflights users on 8/5. 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 9/1111:45 am -
1 stop19h 35m
Sat 5/89:50 pm -
Nonstop9h 45m
Deal found 8/5![Delta logo]()
$612
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Tue 10/203:40 pm -
1 stop13h 00m
Tue 10/273:35 pm -
1 stop12h 20m
Deal found 8/5![Icelandair logo]()
$616
This Mytrip deal was found by Cheapflights users on 8/4. 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 10/135:20 pm -
2 stops30h 20m
Wed 10/215:40 pm -
2 stops22h 30m
Deal found 8/4![Multiple Airlines logo]()
$617
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Tue 10/201:05 pm -
1 stop15h 35m
Tue 10/273:35 pm -
1 stop12h 15m
Deal found 8/5![Icelandair logo]()
$617
This Mytrip deal was found by Cheapflights users on 8/7. 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 10/149:20 pm -
2 stops26h 40m
Wed 10/215:40 pm -
2 stops22h 30m
Deal found 8/7![Multiple Airlines logo]()
$620
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 11/18:35 pm -
1 stop28h 25m
Tue 11/108:18 am -
2 stops15h 47m
Deal found 8/3![Multiple Airlines logo]()
$620
This deal was found by Cheapflights users on 8/3. 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.
Tue 8/259:50 am -
Nonstop9h 45m
Wed 9/161:30 pm -
Nonstop9h 15m
Deal found 8/3![British Airways logo]()
$621
This deal was found by Cheapflights users on 8/3. 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.
Mon 9/73:40 pm -
1 stop13h 00m
Fri 9/253:40 pm -
1 stop15h 00m
Deal found 8/3![Icelandair logo]()
$622
Best flights from United Kingdom to WashingtonDiscover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.
Discover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.
This oojo deal was found by Cheapflights users on 8/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:05 pm -
1 stop12h 50m
Mon 9/77:00 pm -
1 stop17h 20m
Deal found 8/7![Icelandair logo]()
$695
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:25 am -
2 stops19h 50m
Tue 9/227:00 am -
2 stops16h 55m
Deal found 8/7![United Airlines logo]()
$718
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Sat 9/192:25 pm -
2 stops31h 20m
Sat 9/263:55 pm -
3 stops22h 00m
Deal found 8/5![Multiple Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 8/4. 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 9/29:55 am -
1 stop14h 40m
Wed 9/165:30 pm -
Nonstop9h 50m
Deal found 8/4![Delta logo]()
$746
This British Airways deal was found by Cheapflights users on 8/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:55 am -
1 stop15h 46m
Wed 9/161:30 pm -
Nonstop9h 15m
Deal found 8/5![British Airways logo]()
$750
This Virgin Atlantic deal was found by Cheapflights users on 8/6. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:20 am -
1 stop15h 15m
Wed 10/211:42 pm -
2 stops18h 58m
Deal found 8/6![Virgin Atlantic logo]()
$759
This ChecknFly deal was found by Cheapflights users on 8/7. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:40 am -
Nonstop10h 20m
Wed 9/165:30 pm -
Nonstop9h 50m
Deal found 8/7![Air France logo]()
$797
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:45 pm -
Nonstop10h 05m
Thu 10/297:55 pm -
Nonstop9h 25m
Deal found 8/6![Alaska Airlines logo]()
$811
This Scandinavian Airlines deal was found by Cheapflights users on 8/4. 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.
Sat 9/510:40 am -
2 stops35h 05m
Sat 9/193:55 pm -
2 stops19h 35m
Deal found 8/4![Scandinavian Airlines logo]()
$817
This KLM deal was found by Cheapflights users on 8/6. 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.
Wed 9/210:00 am -
1 stop14h 35m
Wed 9/161:50 pm -
1 stop11h 40m
Deal found 8/6![KLM logo]()
$888
This Turkish Airlines deal was found by Cheapflights users on 8/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:55 am -
1 stop18h 25m
Tue 10/207:15 pm -
1 stop37h 25m
Deal found 8/5![Turkish Airlines logo]()
$991
This SWISS deal was found by Cheapflights users on 8/5. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:15 am -
2 stops17h 51m
Wed 10/141:03 pm -
2 stops20h 22m
Deal found 8/5![SWISS logo]()
$1,001
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/177:25 am -
2 stops19h 49m
Thu 9/248:30 am -
2 stops17h 55m
Deal found 8/3![United Airlines logo]()
$720
This Delta deal was found by Cheapflights users on 8/3. 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 9/16:30 am -
1 stop13h 17m
Tue 9/89:50 pm -
Nonstop9h 45m
Deal found 8/3![Delta logo]()
$747
This Mytrip deal was found by Cheapflights users on 8/4. 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 9/45:10 pm -
3 stops28h 35m
Sat 9/193:55 pm -
3 stops22h 00m
Deal found 8/4![Multiple Airlines logo]()
$751
This Virgin Atlantic deal was found by Cheapflights users on 8/4. 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.
Fri 9/410:25 am -
2 stops20h 55m
Sat 9/191:30 pm -
1 stop11h 50m
Deal found 8/4![Virgin Atlantic logo]()
$784
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/211:25 am -
2 stops20h 01m
Wed 9/1610:58 pm -
1 stop14h 22m
Deal found 8/4![United Airlines logo]()
$750
This Virgin Atlantic deal was found by Cheapflights users on 8/4. 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.
Thu 9/39:20 am -
1 stop15h 15m
Thu 9/101:50 pm -
1 stop18h 50m
Deal found 8/4![Virgin Atlantic logo]()
$786
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/203:40 pm -
1 stop28h 05m
Mon 8/247:00 pm -
1 stop11h 40m
Deal found 8/2![Icelandair logo]()
$870
This KLM deal was found by Cheapflights users on 8/5. 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.
Mon 12/146:20 am -
1 stop16h 53m
Sun 12/274:50 pm -
Nonstop9h 50m
Deal found 8/5![Multiple Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:25 am -
1 stop16h 10m
Sun 9/205:45 pm -
1 stop14h 55m
Deal found 8/5![Delta logo]()
$830
This British Airways deal was found by Cheapflights users on 8/3. 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 12/296:15 am -
1 stop13h 10m
Tue 1/126:12 am -
2 stops21h 13m
Deal found 8/3![British Airways logo]()
$925
This Scandinavian Airlines deal was found by Cheapflights users on 8/4. 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 9/186:40 am -
3 stops18h 29m
Fri 9/257:10 am -
2 stops22h 25m
Deal found 8/4![Scandinavian Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Wed 12/239:30 am -
1 stop34h 30m
Mon 12/287:00 am -
2 stops15h 40m
Deal found 8/6![United Airlines logo]()
$781
This Virgin Atlantic deal was found by Cheapflights users on 8/3. 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 8/315:50 pm -
1 stop25h 57m
Mon 9/75:45 pm -
1 stop14h 55m
Deal found 8/3![Virgin Atlantic logo]()
$791
This Expedia deal was found by Cheapflights users on 8/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:00 am -
1 stop14h 27m
Mon 8/241:50 pm -
1 stop11h 40m
Deal found 8/2![KLM logo]()
$967
This Turkish Airlines deal was found by Cheapflights users on 8/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:35 pm -
2 stops37h 10m
Fri 9/2510:42 am -
2 stops27h 43m
Deal found 8/5![Turkish Airlines logo]()
$1,000
This SWISS deal was found by Cheapflights users on 8/3. 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.
Mon 9/219:25 am -
2 stops19h 34m
Mon 10/57:02 am -
2 stops17h 23m
Deal found 8/3![SWISS logo]()
$1,019
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Mon 11/28:00 am -
1 stop17h 00m
Tue 11/102:35 pm -
1 stop16h 30m
Deal found 8/5![Multiple Airlines logo]()
$843
This Scandinavian Airlines deal was found by Cheapflights users on 8/5. 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 10/96:40 am -
2 stops18h 24m
Wed 10/141:05 pm -
3 stops24h 30m
Deal found 8/5![Scandinavian Airlines logo]()
$945
Last-minute flights from United Kingdom to WashingtonDiscover last-minute flight deals from United Kingdom to Washington. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from United Kingdom to Washington. Data last updated August 7, 2026 and is based on user searches.
This deal was found by Cheapflights users on 8/3. 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.
Tue 8/259:50 am -
Nonstop9h 45m
Wed 9/161:30 pm -
Nonstop9h 15m
Deal found 8/3![British Airways logo]()
$621
This deal was found by Cheapflights users on 8/3. 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.
Wed 8/261:05 pm -
1 stop15h 35m
Fri 9/183:40 pm -
1 stop12h 15m
Deal found 8/3![Icelandair logo]()
$611
This deal was found by Cheapflights users on 8/3. 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.
Wed 8/269:50 am -
Nonstop9h 45m
Sat 9/198:20 pm -
Nonstop9h 25m
Deal found 8/3![British Airways logo]()
$623
This Trip.com deal was found by Cheapflights users on 8/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:40 pm -
1 stop13h 00m
Mon 9/73:40 pm -
1 stop15h 00m
Deal found 8/5![Icelandair logo]()
$631
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:05 pm -
2 stops31h 15m
Sun 8/305:26 pm -
1 stop29h 19m
Deal found 8/7![United Airlines logo]()
$630
This deal was found by Cheapflights users on 8/3. 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.
Mon 8/319:50 am -
Nonstop9h 45m
Fri 9/181:30 pm -
Nonstop9h 15m
Deal found 8/3![British Airways logo]()
$606
This Mytrip deal was found by Cheapflights users on 8/3. 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 9/35:35 pm -
2 stops26h 10m
Tue 9/87:00 pm -
2 stops21h 10m
Deal found 8/3![Multiple Airlines logo]()
$625
This deal was found by Cheapflights users on 8/3. 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.
Mon 9/73:40 pm -
1 stop13h 00m
Fri 9/253:40 pm -
1 stop15h 00m
Deal found 8/3![Icelandair logo]()
$622
This deal was found by Cheapflights users on 8/3. 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.
Mon 9/73:40 pm -
1 stop13h 00m
Sat 9/263:40 pm -
1 stop14h 55m
Deal found 8/3![Icelandair logo]()
$629
This deal was found by Cheapflights users on 8/5. 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.
Wed 9/912:25 pm -
1 stop16h 11m
Sat 5/89:50 pm -
Nonstop9h 45m
Deal found 8/5![Delta logo]()
$605
This deal was found by Cheapflights users on 8/5. 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 9/1111:45 am -
1 stop19h 35m
Sat 5/89:50 pm -
Nonstop9h 45m
Deal found 8/5![Delta logo]()
$612
This Ticket deal was found by Cheapflights users on 8/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:25 pm -
1 stop31h 15m
Mon 9/283:40 pm -
1 stop12h 15m
Deal found 8/7![Icelandair logo]()
$607
One-way flights from United Kingdom to WashingtonSearch for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
Search for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Tue 9/291:50 pm -
3 stops40h 50m
Deal found 8/5![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Wed 9/306:25 pm -
2 stops30h 45m
Deal found 8/5![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/272:00 pm -
2 stops35h 11m
Deal found 8/3![Multiple Airlines logo]()
$450
This deal was found by Cheapflights users on 8/5. 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 10/319:50 am -
1 stop15h 00m
Deal found 8/5![British Airways logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/2812:55 pm -
3 stops37h 41m
Deal found 8/5![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:55 pm -
2 stops46h 45m
Deal found 8/6![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/316:45 am -
2 stops33h 15m
Deal found 8/3![Multiple Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sun 10/48:55 pm -
3 stops53h 41m
Deal found 8/5![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/2712:00 pm -
3 stops57h 50m
Deal found 8/3![Multiple Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/277:20 pm -
2 stops28h 40m
Deal found 8/7![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 11/95:25 pm -
3 stops59h 25m
Deal found 8/5![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Sat 9/262:00 pm -
2 stops29h 43m
Deal found 8/5![Multiple Airlines logo]()
$522
Find flight deals from United Kingdom to Washington
Keep the following information in mind while searching for United Kingdom to Washington flight deals. Data was last updated August 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $605 |
One-way from | $428 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $820 |
Good round-trip deal | $858 or less |
Good one-way deal | $644 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from United Kingdom to Washington 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 August 7, 2026.
Use the filters below to find and compare flights from the United Kingdom to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Fri 9/4
1:05 pm-5:55 pm
1 stop12h 50m
Seattle/Tacoma Intl
Mon 9/7
7:00 pm-8:20 pm
1 stop17h 20m
$695
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Tue 9/15
7:25 am-7:15 pm
2 stops19h 50m
Seattle/Tacoma Intl
Tue 9/22
7:00 am-7:55 am
2 stops16h 55m
$718
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Thu 9/17
7:25 am-7:14 pm
2 stops19h 49m
Seattle/Tacoma Intl
Thu 9/24
8:30 am-10:25 am
2 stops17h 55m
$720
LondonSeattle
LTN London Luton - SEA Seattle/Tacoma Intl
LTNSEA
London Luton
Sat 9/19
2:25 pm-1:45 pm
2 stops31h 20m
Seattle/Tacoma Intl
Sat 9/26
3:55 pm-9:55 pm
3 stops22h 00m
$740
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Wed 9/2
9:55 am-4:35 pm
1 stop14h 40m
Seattle/Tacoma Intl
Wed 9/16
5:30 pm-11:20 am
Nonstop9h 50m
$746
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Tue 9/1
6:30 am-11:47 am
1 stop13h 17m
Seattle/Tacoma Intl
Tue 9/8
9:50 pm-3:35 pm
Nonstop9h 45m
$747
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Wed 9/2
8:55 am-4:41 pm
1 stop15h 46m
Seattle/Tacoma Intl
Wed 9/16
1:30 pm-6:45 am
Nonstop9h 15m
$750
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Wed 9/2
11:25 am-11:26 pm
2 stops20h 01m
Seattle/Tacoma Intl
Wed 9/16
10:58 pm-9:20 pm
1 stop14h 22m
$750
LondonSeattle
LTN London Luton - SEA Seattle/Tacoma Intl
LTNSEA
London Luton
Fri 9/4
5:10 pm-1:45 pm
3 stops28h 35m
Seattle/Tacoma Intl
Sat 9/19
3:55 pm-9:55 pm
3 stops22h 00m
$751
LondonSeattle
LCY London City - SEA Seattle/Tacoma Intl
LCYSEA
London City
Wed 10/14
9:20 am-4:35 pm
1 stop15h 15m
Seattle/Tacoma Intl
Wed 10/21
1:42 pm-4:40 pm
2 stops18h 58m
$759
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from United Kingdom to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from United Kingdom with our price prediction graph.
LHR-SEA
LGW-SEA
STN-SEA
LTN-SEA
LCY-SEA
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 the United Kingdom to Washington
GB0-USWA
LHR-SEA
LGW-SEA
STN-SEA
LTN-SEA
What is the cheapest month to book a flight from United Kingdom to State of Washington?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of $679). Flying from United Kingdom to State of Washington in December is currently the most expensive (average of $894). 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 GB to WA?
Find hourly flight availability from United Kingdom to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 7, 2026.
When flying from United Kingdom to State of Washington, 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 United Kingdom to State of Washington
Explore weekly flight availability from United Kingdom to Washington. 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 August 7, 2026.
The most flights from GB0 to USWA are scheduled on a Tuesday (24 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (18 on average).
How far ahead should I book a flight from United Kingdom to State of Washington?
Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated August 7, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andVirgin Atlantic from the United Kingdom to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Washington. 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 United Kingdom to Washington
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Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from United Kingdom to Washington by cabin class
Find flights from United Kingdom to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
United Kingdom and Washington flights
Browse other United Kingdom and Washington flight options. Last updated on August 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to United Kingdom after your stay in Washington
United Kingdom to Washington flights
Consider these flights traveling from United Kingdom to Washington.
Top 10 airlines flying from United Kingdom to Washington
Discover the top 10 airlines that operate flights from United Kingdom to Washington. 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 August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$485 | Average$796 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$534 | Average$782 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$536 | Average$1,012 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$618 | Average$985 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$661 | Average$916 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$670 | Average$914 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$705 | Average$813 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$768 | Average$865 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$780 | Average$780 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$981 | Average$981 | FlexibilityNo cancel fee | On-time77% |