$454+ Cheap flights from the United Kingdom to Seattle (SEA)
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from United Kingdom to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from United Kingdom to Seattle
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Cheapest flights from United Kingdom to SeattleExplore the most affordable flight options available from United Kingdom to Seattle. 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 United Kingdom to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:20 am -
1 stop15h 30m
Sat 12/124:50 pm -
Nonstop9h 50m
Deal found 10/21![Multiple Airlines logo]()
$542
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:35 am -
1 stop14h 25m
Sun 11/292:50 pm -
1 stop17h 00m
Deal found 10/21![Lufthansa logo]()
$543
This Flightcatchers 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 Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:05 am -
1 stop21h 55m
Tue 11/246:00 am -
1 stop16h 25m
Deal found 10/24![Virgin Atlantic logo]()
$544
This Flightcatchers 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 Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2712:20 pm -
Nonstop10h 30m
Sun 12/67:38 am -
1 stop15h 12m
Deal found 10/24![Virgin Atlantic logo]()
$545
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.
Fri 11/612:20 pm -
Nonstop10h 30m
Mon 11/94:50 pm -
Nonstop9h 50m
Deal found 10/23![KLM logo]()
$546
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.
Mon 12/1412:20 pm -
Nonstop10h 30m
Fri 1/84:55 pm -
Nonstop9h 45m
Deal found 10/24![KLM logo]()
$547
This Globehunters 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:30 pm -
1 stop26h 57m
Sun 12/67:05 pm -
1 stop32h 45m
Deal found 10/21![Air Canada logo]()
$548
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:25 am -
Nonstop10h 00m
Sat 11/216:45 pm -
Nonstop9h 25m
Deal found 10/22![British Airways logo]()
$549
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:30 am -
1 stop13h 20m
Fri 1/86:00 am -
2 stops17h 15m
Deal found 10/24![Delta logo]()
$550
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:30 am -
1 stop13h 20m
Fri 1/159:55 pm -
1 stop14h 15m
Deal found 10/23![Delta logo]()
$551
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:30 am -
1 stop13h 17m
Sun 11/224:50 pm -
Nonstop9h 50m
Deal found 10/21![Delta logo]()
$552
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:40 am -
2 stops16h 13m
Sun 11/294:50 pm -
Nonstop9h 50m
Deal found 10/21![Delta logo]()
$553
Best flights from United Kingdom to SeattleDiscover carefully curated flight deals from United Kingdom to Seattle 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 United Kingdom to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Fri 11/62:45 pm -
Nonstop10h 15m
Sat 11/146:45 pm -
Nonstop9h 35m
Deal found 10/25![Alaska Airlines logo]()
$570
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/410:00 am -
1 stop13h 14m
Wed 11/113:25 pm -
1 stop16h 20m
Deal found 10/25![Delta logo]()
$571
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.
Thu 1/149:25 am -
Nonstop10h 00m
Mon 1/186:06 am -
1 stop16h 49m
Deal found 10/22![British Airways logo]()
$584
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:45 pm -
1 stop30h 29m
Tue 12/14:05 pm -
1 stop15h 40m
Deal found 10/21![Virgin Atlantic logo]()
$590
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/237:25 am -
1 stop17h 30m
Mon 5/33:51 pm -
1 stop12h 34m
Deal found 10/23![United Airlines logo]()
$593
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.
Sat 11/217:35 am -
2 stops17h 25m
Sat 11/282:35 pm -
2 stops23h 35m
Deal found 10/24![Multiple Airlines logo]()
$758
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1710:25 am -
1 stop13h 30m
Mon 1/115:50 pm -
1 stop17h 35m
Deal found 10/20![Condor logo]()
$796
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/239:25 am -
2 stops21h 04m
Fri 4/301:12 pm -
2 stops20h 38m
Deal found 10/23![SWISS logo]()
$867
This Icelandair deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Tue 12/1511:55 am -
1 stop13h 05m
Fri 12/252:35 pm -
1 stop11h 20m
Deal found 10/25![Icelandair logo]()
$898
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:55 am -
1 stop13h 55m
Sat 12/129:18 am -
2 stops16h 57m
Deal found 10/21![KLM logo]()
$964
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:05 am -
2 stops38h 13m
Mon 1/1110:52 am -
2 stops27h 43m
Deal found 10/22![Turkish Airlines logo]()
$1,006
This lastminute.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:40 am -
2 stops19h 51m
Wed 12/1611:39 pm -
2 stops28h 26m
Deal found 10/25![Aer Lingus logo]()
$1,070
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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.
Sat 11/72:45 pm -
Nonstop10h 15m
Fri 11/136:45 pm -
Nonstop9h 35m
Deal found 10/25![Alaska Airlines logo]()
$570
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:30 am -
1 stop34h 25m
Wed 1/62:00 pm -
1 stop22h 10m
Deal found 10/23![Delta logo]()
$571
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:30 pm -
1 stop30h 30m
Sat 12/128:09 am -
1 stop18h 41m
Deal found 10/21![United Airlines logo]()
$595
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:00 am -
1 stop13h 14m
Fri 11/273:25 pm -
1 stop16h 20m
Deal found 10/23![Delta logo]()
$572
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:05 am -
2 stops39h 41m
Mon 12/148:09 am -
1 stop18h 41m
Deal found 10/23![United Airlines logo]()
$596
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:00 am -
1 stop13h 14m
Fri 11/273:25 pm -
1 stop16h 20m
Deal found 10/23![Delta logo]()
$572
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.
Fri 12/42:30 pm -
1 stop27h 02m
Fri 12/111:16 pm -
2 stops16h 14m
Deal found 10/20![United Airlines logo]()
$606
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:00 am -
2 stops21h 53m
Mon 11/303:25 pm -
1 stop16h 20m
Deal found 10/21![Virgin Atlantic logo]()
$744
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1110:00 am -
2 stops20h 02m
Sun 1/313:25 pm -
1 stop16h 20m
Deal found 10/22![Virgin Atlantic logo]()
$750
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.
Thu 1/142:30 pm -
1 stop15h 27m
Mon 1/187:00 am -
1 stop15h 20m
Deal found 10/20![United Airlines logo]()
$622
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/88:40 pm -
2 stops28h 20m
Mon 3/153:35 pm -
2 stops17h 10m
Deal found 10/21![Multiple Airlines logo]()
$833
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.
Mon 12/217:50 am -
2 stops23h 26m
Mon 1/1112:30 pm -
1 stop13h 10m
Deal found 10/24![United Airlines logo]()
$641
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:40 pm -
2 stops23h 20m
Sat 12/127:00 am -
2 stops21h 05m
Deal found 10/21![Multiple Airlines logo]()
$866
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:00 am -
2 stops21h 38m
Sat 12/126:45 pm -
1 stop13h 35m
Deal found 10/21![British Airways logo]()
$956
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.
Thu 1/1411:55 am -
1 stop13h 05m
Mon 1/182:35 pm -
1 stop12h 10m
Deal found 10/24![Icelandair logo]()
$973
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:30 pm -
1 stop23h 17m
Tue 11/102:35 pm -
1 stop17h 30m
Deal found 10/21![KLM logo]()
$974
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:05 am -
2 stops45h 15m
Sat 11/217:05 pm -
1 stop19h 30m
Deal found 10/22![Turkish Airlines logo]()
$1,024
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:05 am -
1 stop19h 33m
Sat 1/232:39 pm -
2 stops19h 01m
Deal found 10/24![British Airways logo]()
$963
Last-minute flights from United Kingdom to SeattleDiscover last-minute flight deals from United Kingdom to Seattle. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from United Kingdom to Seattle. Data last updated October 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/311:45 am -
1 stop32h 02m
Wed 11/117:55 pm -
2 stops16h 15m
Deal found 10/25![Delta logo]()
$551
This KLM deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/412:20 pm -
Nonstop10h 30m
Wed 11/114:50 pm -
Nonstop9h 50m
Deal found 10/25![KLM logo]()
$547
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:25 am -
Nonstop10h 00m
Sat 11/216:45 pm -
Nonstop9h 25m
Deal found 10/22![British Airways logo]()
$549
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.
Fri 11/612:20 pm -
Nonstop10h 30m
Mon 11/94:50 pm -
Nonstop9h 50m
Deal found 10/23![KLM logo]()
$546
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:30 am -
1 stop13h 17m
Sun 11/224:50 pm -
Nonstop9h 50m
Deal found 10/21![Delta logo]()
$552
This Flightcatchers 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 Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:05 am -
1 stop21h 55m
Tue 11/246:00 am -
1 stop16h 25m
Deal found 10/24![Virgin Atlantic logo]()
$544
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop13h 17m
Thu 12/32:05 pm -
1 stop13h 35m
Deal found 10/24![Delta logo]()
$550
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:00 am -
2 stops19h 59m
Tue 12/18:40 am -
1 stop19h 10m
Deal found 10/21![Air Canada logo]()
$542
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:35 am -
1 stop14h 25m
Sun 11/292:50 pm -
1 stop17h 00m
Deal found 10/21![Lufthansa logo]()
$543
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:40 am -
2 stops16h 13m
Sat 12/54:50 pm -
Nonstop9h 50m
Deal found 10/21![Delta logo]()
$553
This Flightcatchers deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2712:20 pm -
Nonstop10h 30m
Sun 12/67:38 am -
1 stop15h 12m
Deal found 10/25![Virgin Atlantic logo]()
$545
This Globehunters 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:30 pm -
1 stop26h 57m
Sun 12/67:05 pm -
1 stop32h 45m
Deal found 10/21![Air Canada logo]()
$548
One-way flights from United Kingdom to SeattleSearch for one-way flight options from United Kingdom to Seattle. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from United Kingdom to Seattle. 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 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:20 pm -
2 stops32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$454
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:10 pm -
3 stops33h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$467
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.
Tue 11/176:00 am -
3 stops47h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$468
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.
Fri 11/610:25 pm -
3 stops26h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$469
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:35 pm -
2 stops54h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$470
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 pm -
3 stops54h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$472
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 12/76:15 am -
3 stops42h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$473
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.
Fri 3/129:30 am -
2 stops39h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$474
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:20 am -
3 stops58h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$475
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:45 pm -
3 stops53h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$477
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
3 stops43h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$478
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.
Tue 12/16:35 pm -
2 stops30h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$479
Find flight deals from United Kingdom to Seattle
Keep the following information in mind while searching for United Kingdom to Seattle flight deals. Data was last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $542 (KLM) |
One-way from | $454 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $711 |
Good round-trip deal | $576 or less |
Good one-way deal | $557 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from United Kingdom to Seattle 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 the United Kingdom to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LiverpoolSeattle
LPL Liverpool J. Lennon - SEA Seattle/Tacoma Intl
LPLSEA
Liverpool J. Lennon
Mon 12/7
6:15 am-5:00 pm
3 stops42h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$473
EdinburghSeattle
EDI Edinburgh Turnhouse - SEA Seattle/Tacoma Intl
EDISEA
Edinburgh Turnhouse
Tue 11/17
6:00 am-10:16 am
2 stops36h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$500
GlasgowSeattle
GLA Glasgow Intl - SEA Seattle/Tacoma Intl
GLASEA
Glasgow Intl
Sun 11/22
9:25 pm-8:38 pm
3 stops55h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$501
GlasgowSeattle
GLA Glasgow Intl - SEA Seattle/Tacoma Intl
GLASEA
Glasgow Intl
Tue 1/19
10:05 pm-5:00 pm
3 stops26h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$514
LondonSeattle
LGW London Gatwick - SEA Seattle/Tacoma Intl
LGWSEA
London Gatwick
Mon 2/22
10:00 am-3:03 pm
1 stop13h 03m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$516
LondonSeattle
LGW London Gatwick - SEA Seattle/Tacoma Intl
LGWSEA
London Gatwick
Sun 1/31
10:00 am-3:13 pm
1 stop13h 13m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$516
ManchesterSeattle
MAN Manchester - SEA Seattle/Tacoma Intl
MANSEA
Manchester
Sat 3/13
3:20 pm-5:00 pm
3 stops33h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$516
LondonSeattle
LHR London Heathrow - SEA Seattle/Tacoma Intl
LHRSEA
London Heathrow
Mon 12/14
12:20 pm-2:50 pm
Nonstop10h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$520
LondonSeattle
LGW London Gatwick - SEA Seattle/Tacoma Intl
LGWSEA
London Gatwick
Sun 1/17
10:00 am-10:21 pm
2 stops20h 21m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$522
LondonSeattle
LGW London Gatwick - SEA Seattle/Tacoma Intl
LGWSEA
London Gatwick
Fri 3/12
10:00 am-10:04 pm
2 stops20h 04m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$522
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from United Kingdom to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from United Kingdom with our price prediction graph.
LHR-SEA
LPL-SEA
LGW-SEA
MAN-SEA
BHX-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 Seattle
GB0-SEA
LHR-SEA
LPL-SEA
LGW-SEA
MAN-SEA
What is the cheapest month to book a flight from United Kingdom to Seattle?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to Seattle (average of $656). Flying from United Kingdom to Seattle in July is currently the most expensive (average of $880). 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 SEA?
Find hourly flight availability from United Kingdom to Seattle. 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 United Kingdom to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from the United Kingdom to Seattle delayed?
About 12% of weekly flights between United Kingdom and Seattle have experienced delays in the past year, with the average delay time being 134 minutes.
What is the most punctual flight time for the United Kingdom to Seattle flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on the United Kingdom to Seattle flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 5% of flights being delayed.
How far ahead should I book a flight from United Kingdom to Seattle?
Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated October 25, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andVirgin Atlantic from the United Kingdom to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
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 Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
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Complete your trip
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Search flights from United Kingdom to Seattle by cabin class
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United Kingdom and Seattle flights
Browse other United Kingdom and Seattle flight options. Last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
United Kingdom to Seattle flights
Consider these flights traveling from United Kingdom to Seattle.
Top 7 airlines flying from United Kingdom to Seattle
Discover the top 7 airlines that operate flights from United Kingdom to Seattle. 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$380 | Average$803 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$393 | Average$856 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$485 | Average$796 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$534 | Average$782 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$579 | Average$908 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$580 | Average$972 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$714 | Average$933 | FlexibilityNo cancel fee | On-time70% |