$250+ Cheap flights from Seattle (SEA) to the United Kingdom
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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHR
May 29 — Jun 51
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to United Kingdom with Cheapflights
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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 April 29, 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 April 29, 2026.
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Mon 5/47:00 pm
SEA
- EDI
2 stops21h 35m
Multiple Airlines
Wed 5/207:20 am
EDI
- SEA
2 stops19h 25m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$680
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Sat 5/93:40 pm
SEA
- MAN
2 stops23h 00m
Multiple Airlines
Fri 5/226:15 am
MAN
- SEA
2 stops20h 30m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$739
This Mytrip deal was found by Cheapflights users on 4/24. 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 6/23:40 pm
SEA
- EDI
2 stops15h 40m
Multiple Airlines
Tue 6/91:05 pm
EDI
- SEA
2 stops30h 40m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$740
This Mytrip deal was found by Cheapflights users on 4/26. 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.
Tue 5/263:40 pm
SEA
- EDI
2 stops15h 40m
Multiple Airlines
Tue 6/21:05 pm
EDI
- SEA
2 stops30h 40m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$747
This CrystalTravel deal was found by Cheapflights users on 4/26. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:55 pm
SEA
- LHR
1 stop17h 45m
Scandinavian Airlines
Tue 9/86:40 am
LHR
- SEA
1 stop15h 05m
Scandinavian Airlines
Deal found 4/26![Scandinavian Airlines logo]()
$747
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 5/187:00 pm
SEA
- GLA
1 stop10h 25m
Multiple Airlines
Wed 5/207:45 am
GLA
- SEA
2 stops19h 00m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$748
This CrystalTravel deal was found by Cheapflights users on 4/25. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:55 pm
SEA
- LHR
1 stop18h 35m
Scandinavian Airlines
Sat 9/266:40 am
LHR
- SEA
1 stop15h 05m
Scandinavian Airlines
Deal found 4/25![Scandinavian Airlines logo]()
$748
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Thu 5/71:30 pm
SEA
- LTN
3 stops25h 40m
Multiple Airlines
Wed 5/206:15 am
LTN
- SEA
2 stops35h 25m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$748
This KAYAK deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:55 pm
SEA
- LHR
2 stops33h 40m
Scandinavian Airlines
Tue 9/156:40 am
LHR
- SEA
1 stop15h 05m
Scandinavian Airlines
Deal found 4/23![Scandinavian Airlines logo]()
$751
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:10 pm
SEA
- LGW
1 stop16h 40m
Condor
Tue 5/1210:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 4/27![Condor logo]()
$752
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:55 pm
SEA
- LHR
1 stop13h 40m
Scandinavian Airlines
Tue 9/296:40 am
LHR
- SEA
1 stop15h 05m
Scandinavian Airlines
Deal found 4/27![Scandinavian Airlines logo]()
$752
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Wed 8/123:40 pm
SEA
- STN
2 stops16h 50m
Multiple Airlines
Wed 8/2611:15 am
STN
- SEA
2 stops17h 25m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$753
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 April 29, 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 April 29, 2026.
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Fri 5/295:50 am
SEA
- STN
3 stops35h 00m
Multiple Airlines
Sat 6/68:10 pm
STN
- SEA
2 stops28h 49m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$799
This Icelandair deal was found by Cheapflights users on 4/23. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:25 pm
SEA
- GLA
1 stop30h 00m
Icelandair
Thu 5/282:20 pm
GLA
- SEA
1 stop29h 25m
Icelandair
Deal found 4/23![Icelandair logo]()
$918
This Condor deal was found by Cheapflights users on 4/24. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:05 pm
SEA
- LGW
1 stop16h 45m
Condor
Sat 6/610:20 am
LGW
- SEA
1 stop13h 40m
Condor
Deal found 4/24![Condor logo]()
$931
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 5/910:35 pm
SEA
- MAN
1 stop25h 40m
Delta
Fri 5/2211:00 am
MAN
- SEA
1 stop13h 30m
Delta
Deal found 4/25![Delta logo]()
$977
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:50 pm
SEA
- LHR
Nonstop9h 45m
KLM
Wed 8/125:45 pm
LHR
- SEA
Nonstop10h 18m
KLM
Deal found 4/27![KLM logo]()
$997
This Turkish Airlines deal was found by Cheapflights users on 4/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:38 am
SEA
- STN
2 stops24h 02m
Turkish Airlines
Wed 5/2010:50 am
STN
- SEA
1 stop38h 25m
Turkish Airlines
Deal found 4/23![Turkish Airlines logo]()
$1,042
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:40 am
SEA
- GLA
2 stops18h 30m
United Airlines
Sat 8/152:00 pm
GLA
- SEA
2 stops29h 17m
United Airlines
Deal found 4/26![United Airlines logo]()
$1,056
This British Airways deal was found by Cheapflights users on 4/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:19 pm
SEA
- NCL
2 stops16h 56m
British Airways
Tue 5/1911:15 am
NCL
- SEA
2 stops19h 23m
British Airways
Deal found 4/25![British Airways logo]()
$1,060
This Flysmarter deal was found by Cheapflights users on 4/25. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:40 pm
SEA
- MAN
2 stops22h 10m
Scandinavian Airlines
Fri 5/228:25 pm
MAN
- SEA
2 stops25h 20m
Scandinavian Airlines
Deal found 4/25![Scandinavian Airlines logo]()
$1,092
This Virgin Atlantic deal was found by Cheapflights users on 4/25. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:40 pm
SEA
- BHX
1 stop15h 10m
Virgin Atlantic
Tue 6/98:15 pm
BHX
- SEA
1 stop23h 22m
Virgin Atlantic
Deal found 4/25![Virgin Atlantic logo]()
$1,152
This SWISS deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Tue 5/2610:45 am
SEA
- LCY
2 stops22h 40m
SWISS
Tue 6/29:15 am
LCY
- SEA
2 stops17h 15m
SWISS
Deal found 4/28![SWISS logo]()
$1,180
This JetBlue deal was found by Cheapflights users on 4/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:35 am
SEA
- EDI
1 stop14h 25m
JetBlue
Tue 6/1612:10 pm
EDI
- SEA
1 stop16h 58m
JetBlue
Deal found 4/25![JetBlue logo]()
$1,244
This KAYAK deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:55 pm
SEA
- EDI
2 stops17h 35m
Lufthansa
Sun 6/79:15 am
EDI
- SEA
2 stops17h 15m
Lufthansa
Deal found 4/23![Lufthansa logo]()
$1,423
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/263:40 pm
SEA
- LTN
1 stop13h 15m
Multiple Airlines
Wed 6/36:15 am
LTN
- SEA
1 stop13h 30m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$827
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/263:40 pm
SEA
- MAN
2 stops21h 40m
Multiple Airlines
Tue 6/27:30 am
MAN
- SEA
3 stops43h 15m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$877
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:20 pm
SEA
- LHR
Nonstop9h 50m
KLM
Wed 8/125:45 pm
LHR
- SEA
Nonstop10h 18m
KLM
Deal found 4/27![KLM logo]()
$997
This Gotogate deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1511:25 pm
SEA
- MAN
1 stop28h 15m
Icelandair
Fri 6/261:05 pm
MAN
- SEA
1 stop30h 40m
Icelandair
Deal found 4/28![Icelandair logo]()
$1,022
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:45 pm
SEA
- LCY
1 stop11h 45m
Delta
Wed 8/127:45 am
LCY
- SEA
1 stop16h 42m
Delta
Deal found 4/27![Delta logo]()
$1,033
This Turkish Airlines deal was found by Cheapflights users on 4/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:21 pm
SEA
- EDI
2 stops60h 19m
Turkish Airlines
Wed 5/2010:40 am
EDI
- SEA
1 stop38h 35m
Turkish Airlines
Deal found 4/25![Turkish Airlines logo]()
$1,068
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:05 am
SEA
- GLA
2 stops21h 05m
United Airlines
Tue 5/262:00 pm
GLA
- SEA
2 stops25h 56m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,075
This Mytrip deal was found by Cheapflights users on 4/23. 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 5/263:40 pm
SEA
- STN
2 stops24h 30m
Multiple Airlines
Tue 6/97:05 am
STN
- SEA
2 stops18h 50m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$891
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:45 pm
SEA
- MAN
1 stop15h 25m
KLM
Fri 5/2211:00 am
MAN
- SEA
1 stop13h 30m
KLM
Deal found 4/25![KLM logo]()
$1,030
This Delta deal was found by Cheapflights users on 4/24. 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.
Wed 5/135:40 pm
SEA
- GLA
1 stop35h 15m
Delta
Fri 5/226:00 am
GLA
- SEA
1 stop13h 42m
Delta
Deal found 4/24![Delta logo]()
$1,050
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/185:05 am
SEA
- GLA
2 stops21h 05m
United Airlines
Tue 5/262:00 pm
GLA
- SEA
2 stops25h 56m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,095
This Condor deal was found by Cheapflights users on 4/24. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:40 pm
SEA
- LGW
1 stop13h 00m
Condor
Wed 7/2210:20 am
LGW
- SEA
1 stop13h 20m
Condor
Deal found 4/24![Condor logo]()
$1,208
This Turkish Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/37:10 pm
SEA
- EDI
1 stop36h 45m
Turkish Airlines
Sun 5/174:55 pm
EDI
- SEA
1 stop32h 20m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$1,107
This Virgin Atlantic deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:45 pm
SEA
- LCY
1 stop15h 35m
Virgin Atlantic
Thu 6/1810:00 am
LCY
- SEA
2 stops18h 57m
Virgin Atlantic
Deal found 4/24![Virgin Atlantic logo]()
$1,222
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Mon 6/87:00 pm
SEA
- LTN
2 stops14h 10m
Multiple Airlines
Fri 6/196:20 am
LTN
- SEA
2 stops20h 25m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$937
This SWISS deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Sun 5/1010:52 am
SEA
- LCY
2 stops17h 43m
SWISS
Thu 5/289:15 am
LCY
- SEA
2 stops17h 15m
SWISS
Deal found 4/28![SWISS logo]()
$1,249
This KLM deal was found by Cheapflights users on 4/24. 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 7/201:45 pm
SEA
- LCY
1 stop11h 45m
KLM
Wed 8/129:20 am
LCY
- SEA
1 stop15h 07m
KLM
Deal found 4/24![KLM logo]()
$1,034
Last-minute flights from Seattle to United KingdomDiscover last-minute flight deals from Seattle to United Kingdom. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to United Kingdom. Data last updated April 29, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:20 am
SEA
- LHR
3 stops27h 20m
Multiple Airlines
Wed 5/66:40 am
LHR
- SEA
3 stops24h 00m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$757
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Thu 4/302:10 pm
SEA
- LGW
3 stops33h 55m
Multiple Airlines
Fri 5/88:50 pm
LGW
- SEA
3 stops32h 18m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$762
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:40 pm
SEA
- LGW
1 stop17h 10m
Condor
Fri 5/810:20 am
LGW
- SEA
1 stop13h 40m
Condor
Deal found 4/24![Condor logo]()
$763
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Mon 5/47:00 pm
SEA
- EDI
2 stops21h 35m
Multiple Airlines
Wed 5/207:20 am
EDI
- SEA
2 stops19h 25m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$680
This Mytrip deal was found by Cheapflights users on 4/24. 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 5/43:40 pm
SEA
- STN
2 stops22h 45m
Multiple Airlines
Sun 5/1710:00 pm
STN
- SEA
3 stops43h 40m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$767
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Thu 5/71:30 pm
SEA
- LTN
3 stops25h 40m
Multiple Airlines
Wed 5/206:15 am
LTN
- SEA
2 stops35h 25m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$748
This Mytrip deal was found by Cheapflights users on 4/24. 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.
Thu 5/76:05 pm
SEA
- LTN
2 stops22h 45m
Multiple Airlines
Sun 5/105:40 am
LTN
- SEA
2 stops18h 00m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$762
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Sat 5/93:40 pm
SEA
- MAN
2 stops23h 00m
Multiple Airlines
Fri 5/226:15 am
MAN
- SEA
2 stops20h 30m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$739
This Mytrip deal was found by Cheapflights users on 4/27. 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 5/136:50 pm
SEA
- EDI
2 stops21h 30m
Multiple Airlines
Sat 5/168:00 pm
EDI
- SEA
2 stops24h 20m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$754
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 5/187:00 pm
SEA
- GLA
1 stop10h 25m
Multiple Airlines
Wed 5/207:45 am
GLA
- SEA
2 stops19h 00m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$748
This Mytrip deal was found by Cheapflights users on 4/26. 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.
Tue 5/263:40 pm
SEA
- EDI
2 stops15h 40m
Multiple Airlines
Tue 6/21:05 pm
EDI
- SEA
2 stops30h 40m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$747
This Mytrip deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:40 pm
SEA
- LGW
2 stops20h 30m
Multiple Airlines
Wed 6/35:00 pm
LGW
- SEA
3 stops32h 55m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$752
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 April 29, 2026.
Search for one-way flight options from Seattle to United Kingdom. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Mytrip deal was found by Cheapflights users on 4/24. 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 5/43:40 pm
SEA
- EDI
2 stops24h 55m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/1010:35 pm
SEA
- MAN
3 stops32h 15m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/143:40 pm
SEA
- BHX
2 stops25h 15m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$320
This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:30 am
SEA
- EDI
1 stop15h 20m
WestJet
Deal found 4/24![WestJet logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 5/257:00 pm
SEA
- EDI
3 stops31h 20m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$325
This Gotogate deal was found by Cheapflights users on 4/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:25 pm
SEA
- MAN
1 stop28h 15m
Icelandair
Deal found 4/25![Icelandair logo]()
$328
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:00 pm
SEA
- MAN
1 stop32h 40m
Icelandair
Deal found 4/23![Icelandair logo]()
$329
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/193:40 pm
SEA
- MAN
1 stop12h 00m
Icelandair
Deal found 4/23![Icelandair logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/267:35 pm
SEA
- EDI
1 stop30h 15m
WestJet
Deal found 4/24![WestJet logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:35 pm
SEA
- EDI
1 stop30h 15m
WestJet
Deal found 4/24![WestJet logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:00 pm
SEA
- EDI
3 stops30h 25m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/263:40 pm
SEA
- EDI
3 stops25h 15m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$344
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $727 (Mytrip) |
One-way from | $250 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $710 |
Good round-trip deal | $972 or less |
Good one-way deal | $516 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 2,558,603 searches. Data last updated April 29, 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
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Fri 5/29
5:50 am-12:50 am
3 stops35h 00m
London Stansted
Sat 6/6
8:10 pm-4:59 pm
2 stops28h 49m
$799
SeattleLondon
SEA - LTN
SEALTN
Seattle/Tacoma Intl
Tue 5/26
3:40 pm-12:55 pm
1 stop13h 15m
London Luton
Wed 6/3
6:15 am-11:45 am
1 stop13h 30m
$827
SeattleManchester
SEA - MAN
SEAMAN
Seattle/Tacoma Intl
Tue 5/26
3:40 pm-9:20 pm
2 stops21h 40m
Manchester
Tue 6/2
7:30 am-6:45 pm
3 stops43h 15m
$877
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Tue 5/26
3:40 pm-12:10 am
2 stops24h 30m
London Stansted
Tue 6/9
7:05 am-5:55 pm
2 stops18h 50m
$891
SeattleGlasgow
SEA - GLA
SEAGLA
Seattle/Tacoma Intl
Wed 5/20
11:25 pm-1:25 pm
1 stop30h 00m
Glasgow Intl
Thu 5/28
2:20 pm-11:45 am
1 stop29h 25m
$918
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Tue 5/26
6:05 pm-6:50 pm
1 stop16h 45m
London Gatwick
Sat 6/6
10:20 am-4:00 pm
1 stop13h 40m
$931
SeattleLondon
SEA - LTN
SEALTN
Seattle/Tacoma Intl
Mon 6/8
7:00 pm-5:10 pm
2 stops14h 10m
London Luton
Fri 6/19
6:20 am-6:45 pm
2 stops20h 25m
$937
SeattleManchester
SEA - MAN
SEAMAN
Seattle/Tacoma Intl
Sat 5/9
10:35 pm-8:15 am
1 stop25h 40m
Manchester
Fri 5/22
11:00 am-4:30 pm
1 stop13h 30m
$977
Quickest round-trip
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Mon 7/20
9:50 pm-3:35 pm
Nonstop9h 45m
London Heathrow
Wed 8/12
5:45 pm-8:03 pm
Nonstop10h 18m
$997
SeattleLondon
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 7/21
6:20 pm-12:10 pm
Nonstop9h 50m
London Heathrow
Wed 8/12
5:45 pm-8:03 pm
Nonstop10h 18m
$997
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-GLA
SEA-MAN
SEA-LGW
SEA-EDI
SEA-STN
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-GLA
SEA-MAN
SEA-LGW
SEA-EDI
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 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 $320). Flying from Seattle to United Kingdom in February is currently the most expensive (average of $2,502). 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 April 29, 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.
Weekly flight availability from Seattle to United Kingdom
Explore weekly flight availability from Seattle to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 29, 2026.
The most flights from SEA to GB0 are scheduled on a Tuesday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (18 on average).
How often are flights from Seattle to the United Kingdom delayed?
About 15% of weekly flights between Seattle and United Kingdom have experienced delays in the past year, with the average delay time being 128 minutes.
What is the most punctual flight time for Seattle to the United Kingdom flights?
Historically, flights departing in the early afternoon 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?
Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to the United Kingdom flights?
Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 7% of flights being delayed.
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 April 29, 2026.
Read reviews from past customers who have flown Delta,Virgin Atlantic, andAer Lingus 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
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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
Complete your trip to United Kingdom by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to United Kingdom by cabin class
Find flights from Seattle to United Kingdom, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and United Kingdom flights
Browse other Seattle and United Kingdom flight options. Last updated on April 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to United Kingdom flights
Consider these flights traveling from Seattle to United Kingdom.
Fly to United Kingdom regions
Consider these flights traveling to United Kingdom regions.
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 2,558,603 searches. Data last updated April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$213 | Average$895 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$481 | Average$906 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$708 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$515 | Average$902 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$526 | Average$889 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$532 | Average$726 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$532 | Average$854 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$547 | Average$839 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$552 | Average$1,055 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$556 | Average$694 | FlexibilityNo cancel fee | On-time76% |