$306+ Cheap flights from Seattle (SEA) 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHR
Nov 26 — Dec 31
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to United Kingdom 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
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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 Seattle to United Kingdom
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Cheapest flights from Seattle to United KingdomExplore the most affordable flight options available from Seattle to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
Explore the most affordable flight options available from Seattle to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 am -
3 stops30h 15m
Mon 11/168:10 pm -
3 stops30h 12m
Deal found 10/25![Multiple Airlines logo]()
$627
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.
Tue 12/82:35 pm -
2 stops20h 00m
Tue 12/158:25 am -
2 stops16h 35m
Deal found 10/24![Multiple Airlines logo]()
$676
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.
Tue 12/82:35 pm -
2 stops19h 05m
Tue 12/157:40 am -
2 stops17h 20m
Deal found 10/24![Multiple Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/57:45 am -
3 stops29h 35m
Thu 11/126:00 pm -
3 stops27h 00m
Deal found 10/26![Multiple Airlines logo]()
$744
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
2 stops22h 55m
Wed 11/117:30 pm -
3 stops30h 52m
Deal found 10/22![Multiple Airlines logo]()
$746
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:35 pm -
1 stop20h 55m
Tue 12/812:15 pm -
1 stop12h 45m
Deal found 10/25![Icelandair logo]()
$746
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:35 pm -
3 stops21h 35m
Wed 12/237:30 pm -
3 stops29h 30m
Deal found 10/27![Multiple Airlines logo]()
$747
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:35 pm -
1 stop20h 55m
Mon 12/78:35 pm -
1 stop28h 25m
Deal found 10/25![Icelandair logo]()
$747
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm -
1 stop12h 15m
Tue 1/2612:15 pm -
1 stop12h 45m
Deal found 10/25![Icelandair logo]()
$748
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm -
3 stops34h 00m
Mon 12/147:30 pm -
3 stops29h 30m
Deal found 10/23![Multiple Airlines logo]()
$749
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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.
Tue 12/292:35 pm -
1 stop12h 15m
Sat 1/3012:15 pm -
1 stop12h 45m
Deal found 10/26![Icelandair logo]()
$749
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:35 pm -
1 stop12h 15m
Mon 1/258:35 pm -
1 stop28h 25m
Deal found 10/25![Icelandair logo]()
$750
Best flights from Seattle to United KingdomDiscover carefully curated flight deals from Seattle to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
Discover carefully curated flight deals from Seattle to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
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.
Tue 12/82:35 pm -
3 stops35h 40m
Tue 12/157:40 am -
2 stops17h 20m
Deal found 10/24![Multiple Airlines logo]()
$743
This Icelandair deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/112:35 pm -
1 stop12h 10m
Fri 1/1511:35 am -
1 stop13h 25m
Deal found 10/22![Icelandair logo]()
$836
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/227:20 am -
2 stops24h 40m
Sat 2/65:00 pm -
2 stops39h 09m
Deal found 10/25![Scandinavian Airlines logo]()
$845
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.
Wed 4/2112:00 pm -
2 stops20h 00m
Tue 4/279:55 am -
1 stop15h 32m
Deal found 10/22![Virgin Atlantic logo]()
$855
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/116:40 pm -
Nonstop9h 40m
Sat 1/232:45 pm -
Nonstop10h 05m
Deal found 10/23![Alaska Airlines logo]()
$869
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.
Sun 12/64:50 pm -
Nonstop9h 50m
Fri 12/116:30 am -
1 stop13h 20m
Deal found 10/23![Delta logo]()
$910
This Turkish Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/217:15 pm -
1 stop30h 30m
Thu 4/295:20 pm -
1 stop32h 00m
Deal found 10/24![Turkish Airlines logo]()
$942
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.
Sun 2/712:00 pm -
2 stops16h 50m
Sat 2/136:00 am -
2 stops18h 50m
Deal found 10/25![KLM logo]()
$944
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/147:00 am -
2 stops22h 30m
Sun 3/285:50 am -
1 stop14h 30m
Deal found 10/25![United Airlines logo]()
$956
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:45 pm -
1 stop16h 40m
Sun 12/136:40 am -
1 stop18h 10m
Deal found 10/22![British Airways logo]()
$981
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:34 pm -
2 stops24h 41m
Mon 11/168:45 am -
2 stops19h 35m
Deal found 10/25![Aer Lingus logo]()
$1,122
This SWISS deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/303:24 pm -
2 stops18h 26m
Sun 1/106:40 pm -
2 stops36h 35m
Deal found 10/26![SWISS logo]()
$1,457
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:35 pm -
2 stops23h 40m
Sun 12/137:25 am -
2 stops17h 35m
Deal found 10/22![Multiple Airlines logo]()
$824
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:39 am -
2 stops23h 01m
Mon 11/96:40 am -
2 stops21h 33m
Deal found 10/23![Scandinavian Airlines logo]()
$903
This Virgin Atlantic deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/84:05 pm -
1 stop15h 40m
Tue 12/1510:00 am -
2 stops20h 02m
Deal found 10/26![Virgin Atlantic logo]()
$913
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 2/92:40 pm -
2 stops19h 00m
Sun 2/1410:40 am -
2 stops19h 25m
Deal found 10/25![Delta logo]()
$950
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.
Tue 12/811:59 pm -
2 stops24h 46m
Tue 12/1511:30 am -
2 stops36h 52m
Deal found 10/23![United Airlines logo]()
$962
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.
Mon 11/237:15 am -
2 stops17h 45m
Tue 12/811:10 am -
2 stops18h 54m
Deal found 10/25![KLM logo]()
$967
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:35 pm -
2 stops18h 40m
Sun 12/137:55 pm -
3 stops29h 05m
Deal found 10/22![Multiple Airlines logo]()
$888
This Globehunters 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:35 pm -
1 stop11h 20m
Thu 11/1911:55 am -
1 stop13h 05m
Deal found 10/22![Icelandair logo]()
$981
This Turkish Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/277:05 pm -
1 stop37h 25m
Sat 3/136:30 am -
1 stop19h 40m
Deal found 10/26![Turkish Airlines logo]()
$986
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/144:50 pm -
Nonstop9h 50m
Mon 12/2112:20 pm -
Nonstop10h 30m
Deal found 10/23![Virgin Atlantic logo]()
$947
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.
Sun 3/147:15 am -
2 stops18h 20m
Sun 3/281:20 pm -
2 stops18h 51m
Deal found 10/25![Delta logo]()
$954
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.
Mon 2/86:45 pm -
1 stop14h 45m
Fri 2/129:55 am -
1 stop14h 55m
Deal found 10/22![British Airways logo]()
$1,051
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:00 am -
2 stops21h 30m
Wed 12/166:05 am -
1 stop13h 55m
Deal found 10/25![United Airlines logo]()
$982
This Turkish Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/137:05 pm -
1 stop30h 05m
Sat 2/2010:05 am -
1 stop39h 05m
Deal found 10/26![Turkish Airlines logo]()
$986
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:35 pm -
2 stops23h 55m
Sun 12/138:45 am -
2 stops16h 15m
Deal found 10/22![Multiple Airlines logo]()
$908
This KLM deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/143:35 pm -
1 stop18h 25m
Thu 4/19:20 am -
1 stop15h 00m
Deal found 10/24![KLM logo]()
$1,010
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/1811:45 am -
1 stop14h 10m
Fri 11/276:30 am -
1 stop13h 17m
Deal found 10/26![Delta logo]()
$965
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.
Sun 2/77:00 am -
3 stops45h 30m
Sat 2/136:05 am -
2 stops37h 14m
Deal found 10/24![United Airlines logo]()
$984
Last-minute flights from Seattle to United KingdomDiscover last-minute flight deals from Seattle to United Kingdom. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to United Kingdom. Data last updated October 27, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
2 stops22h 55m
Wed 11/117:30 pm -
3 stops30h 52m
Deal found 10/22![Multiple Airlines logo]()
$746
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/57:45 am -
3 stops29h 35m
Thu 11/126:00 pm -
3 stops27h 00m
Deal found 10/26![Multiple Airlines logo]()
$744
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 am -
3 stops30h 15m
Mon 11/168:10 pm -
3 stops30h 12m
Deal found 10/25![Multiple Airlines logo]()
$627
This Booking.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm -
2 stops15h 25m
Tue 11/178:50 am -
2 stops16h 10m
Deal found 10/24![Multiple Airlines logo]()
$760
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:35 pm -
1 stop20h 55m
Tue 12/812:15 pm -
1 stop12h 45m
Deal found 10/25![Icelandair logo]()
$746
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:35 pm -
1 stop20h 55m
Mon 12/78:35 pm -
1 stop28h 25m
Deal found 10/25![Icelandair logo]()
$747
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/232:35 pm -
2 stops17h 45m
Tue 12/87:30 pm -
3 stops29h 30m
Deal found 10/26![Multiple Airlines logo]()
$754
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.
Mon 11/232:35 pm -
3 stops35h 00m
Tue 12/87:05 am -
2 stops17h 55m
Deal found 10/24![Multiple Airlines logo]()
$759
This Globehunters 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
1 stop20h 55m
Tue 12/18:35 pm -
1 stop28h 25m
Deal found 10/23![Icelandair logo]()
$761
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:45 am -
3 stops25h 10m
Tue 12/19:15 am -
2 stops35h 45m
Deal found 10/23![Multiple Airlines logo]()
$753
This Globehunters 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:35 pm -
1 stop20h 55m
Tue 12/88:35 pm -
1 stop28h 25m
Deal found 10/23![Icelandair logo]()
$760
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/292:35 pm -
1 stop12h 15m
Thu 12/1012:15 pm -
1 stop12h 45m
Deal found 10/23![Icelandair logo]()
$762
One-way flights from Seattle to United KingdomSearch for one-way flight options from Seattle to United Kingdom. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
Search for one-way flight options from Seattle to United Kingdom. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/172:35 pm -
2 stops25h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$306
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.
Wed 1/132:35 pm -
2 stops24h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$307
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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.
Tue 12/82:35 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Icelandair logo]()
$321
This Expedia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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.
Wed 3/177:45 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![British Airways logo]()
$322
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:35 pm -
1 stop20h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Icelandair logo]()
$326
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/232:35 pm -
2 stops18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$327
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.
Tue 1/122:35 pm -
3 stops45h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/72:35 pm -
2 stops36h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$331
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:35 pm -
3 stops58h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$333
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.
Tue 12/82:35 pm -
3 stops45h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$335
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.
Tue 11/102:35 pm -
2 stops18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$336
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/226:40 pm -
Nonstop9h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Alaska Airlines logo]()
$338
Find flight deals from Seattle to United Kingdom
Keep the following information in mind while searching for Seattle to United Kingdom flight deals. Data was last updated October 27, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $627 (Mytrip) |
One-way from | $306 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $895 |
Good round-trip deal | $896 or less |
Good one-way deal | $505 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 27, 2026.
Use the filters below to find and compare flights from Seattle to the United Kingdom that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleEdinburgh
SEA Seattle/Tacoma Intl - EDI Edinburgh Turnhouse
SEAEDI
Seattle/Tacoma Intl
Tue 12/8
2:35 pm-7:50 pm
3 stops45h 15m
Edinburgh Turnhouse
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$335
SeattleManchester
SEA Seattle/Tacoma Intl - MAN Manchester
SEAMAN
Seattle/Tacoma Intl
Wed 3/17
5:07 am-10:20 am
3 stops22h 13m
Manchester
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$342
SeattleEdinburgh
SEA Seattle/Tacoma Intl - EDI Edinburgh Turnhouse
SEAEDI
Seattle/Tacoma Intl
Tue 1/12
2:35 pm-7:40 pm
2 stops21h 05m
Edinburgh Turnhouse
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$342
SeattleEdinburgh
SEA Seattle/Tacoma Intl - EDI Edinburgh Turnhouse
SEAEDI
Seattle/Tacoma Intl
Sat 1/16
2:35 pm-10:20 am
2 stops35h 45m
Edinburgh Turnhouse
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$352
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Tue 11/24
2:35 pm-8:55 pm
2 stops22h 20m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$380
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Fri 2/26
3:30 pm-3:45 pm
1 stop16h 15m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$384
SeattleLondon
SEA Seattle/Tacoma Intl - LGW London Gatwick
SEALGW
Seattle/Tacoma Intl
Sat 2/27
4:05 pm-3:45 pm
1 stop15h 40m
London Gatwick
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$384
SeattleBristol
SEA Seattle/Tacoma Intl - BRS Bristol
SEABRS
Seattle/Tacoma Intl
Tue 12/22
2:35 pm-8:55 am
3 stops34h 20m
Bristol
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$428
SeattleEdinburgh
SEA Seattle/Tacoma Intl - EDI Edinburgh Turnhouse
SEAEDI
Seattle/Tacoma Intl
Tue 1/5
2:30 pm-10:25 am
2 stops35h 55m
Edinburgh Turnhouse
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$447
SeattleGlasgow
SEA Seattle/Tacoma Intl - GLA Glasgow Intl
SEAGLA
Seattle/Tacoma Intl
Tue 1/5
6:29 am-7:05 pm
2 stops28h 36m
Glasgow Intl
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$477
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Seattle with our price prediction graph.
SEA-EDI
SEA-MAN
SEA-LGW
SEA-GLA
SEA-BHX
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 Seattle to the United Kingdom
SEA-GB0
SEA-EDI
SEA-MAN
SEA-LGW
SEA-GLA
What is the cheapest month to book a flight from Seattle to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from Seattle to United Kingdom (average of $697). Flying from Seattle to United Kingdom in June is currently the most expensive (average of $1,224). 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 SEA to GB?
Find hourly flight availability from Seattle to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to United Kingdom as you normally would.
How often are flights from Seattle to the United Kingdom delayed?
About 14% of weekly flights between Seattle and United Kingdom have experienced delays in the past year, with the average delay time being 130 minutes.
What is the most punctual flight time for Seattle to the United Kingdom flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to the United Kingdom flights?
Over the last year, Virgin Atlantic 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 Seattle to United Kingdom?
The price you pay for your flight from Seattle to United Kingdom may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing United Kingdom
Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated October 27, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andVirgin Atlantic from Seattle to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Related info for your journey
Find useful and relevant information for your journey from Seattle 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 Seattle to United Kingdom
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Complete your trip
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Seattle and United Kingdom flights
Browse other Seattle and United Kingdom flight options. Last updated on October 27, 2026.
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Top 10 airlines flying from Seattle to United Kingdom
Discover the top 10 airlines that operate flights from Seattle to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$440 | Average$986 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$489 | Average$810 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$542 | Average$706 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$558 | Average$836 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$580 | Average$799 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$586 | Average$952 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$597 | Average$1,035 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$621 | Average$1,172 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$638 | Average$929 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$644 | Average$858 | FlexibilityNo cancel fee | On-time77% |