$194+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHR
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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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 June 13, 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 June 13, 2026.
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 pm
SEA
- MAN
2 stops19h 50m
Multiple Airlines
Mon 9/78:15 am
MAN
- SEA
2 stops35h 30m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$641
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/297:00 pm
SEA
- MAN
2 stops19h 40m
Multiple Airlines
Sun 9/65:45 am
MAN
- SEA
3 stops47h 15m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$696
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/297:00 pm
SEA
- MAN
2 stops20h 40m
Multiple Airlines
Sat 9/510:30 am
MAN
- SEA
2 stops18h 10m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$745
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/163:40 pm
SEA
- EDI
2 stops20h 50m
Multiple Airlines
Tue 9/86:15 am
EDI
- SEA
2 stops35h 25m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$748
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:00 pm
SEA
- GLA
1 stop10h 25m
Icelandair
Mon 8/172:20 pm
GLA
- SEA
1 stop29h 25m
Icelandair
Deal found 6/10![Icelandair logo]()
$749
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/67:00 pm
SEA
- MAN
2 stops20h 05m
Multiple Airlines
Wed 9/165:30 pm
MAN
- SEA
3 stops35h 10m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$756
This Gotogate deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Wed 7/293:40 pm
SEA
- GLA
1 stop13h 45m
Icelandair
Wed 8/52:20 pm
GLA
- SEA
1 stop29h 25m
Icelandair
Deal found 6/13![Icelandair logo]()
$759
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm
SEA
- GLA
1 stop11h 20m
Icelandair
Thu 12/1011:55 am
GLA
- SEA
1 stop13h 05m
Icelandair
Deal found 6/10![Icelandair logo]()
$760
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:35 pm
SEA
- GLA
1 stop11h 20m
Icelandair
Fri 12/1111:55 am
GLA
- SEA
1 stop13h 05m
Icelandair
Deal found 6/10![Icelandair logo]()
$762
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:55 pm
SEA
- EDI
1 stop18h 30m
Scandinavian Airlines
Mon 9/147:10 pm
EDI
- SEA
1 stop26h 35m
Scandinavian Airlines
Deal found 6/8![Scandinavian Airlines logo]()
$762
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Mon 10/57:00 pm
SEA
- GLA
1 stop10h 25m
Icelandair
Thu 10/152:20 pm
GLA
- SEA
1 stop11h 35m
Icelandair
Deal found 6/11![Icelandair logo]()
$763
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 10/247:10 pm
SEA
- GLA
1 stop10h 15m
Icelandair
Sun 11/111:55 am
GLA
- SEA
1 stop13h 05m
Icelandair
Deal found 6/11![Icelandair logo]()
$764
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 June 13, 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 June 13, 2026.
This Icelandair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:00 pm
SEA
- GLA
1 stop10h 25m
Icelandair
Thu 9/242:20 pm
GLA
- SEA
1 stop14h 20m
Icelandair
Deal found 6/11![Icelandair logo]()
$811
This Scandinavian Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:55 pm
SEA
- MAN
2 stops20h 35m
Scandinavian Airlines
Sat 10/1010:40 am
MAN
- SEA
2 stops35h 05m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$828
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:30 am
SEA
- LGW
2 stops22h 30m
Delta
Mon 9/1410:25 am
LGW
- SEA
1 stop32h 50m
Delta
Deal found 6/8![Delta logo]()
$881
This Condor deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:15 pm
SEA
- LGW
1 stop16h 30m
Condor
Mon 9/1410:20 am
LGW
- SEA
1 stop13h 50m
Condor
Deal found 6/8![Condor logo]()
$891
This British Airways deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:20 pm
SEA
- GLA
1 stop15h 15m
British Airways
Tue 9/299:10 pm
GLA
- SEA
1 stop29h 15m
British Airways
Deal found 6/8![British Airways logo]()
$891
This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 pm
SEA
- LTN
2 stops13h 55m
Multiple Airlines
Tue 9/19:40 am
LTN
- SEA
2 stops19h 20m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$892
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/208:40 am
SEA
- GLA
2 stops17h 30m
United Airlines
Thu 9/242:00 pm
GLA
- SEA
1 stop15h 55m
United Airlines
Deal found 6/12![United Airlines logo]()
$900
This Finnair deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:50 pm
SEA
- GLA
1 stop13h 00m
Finnair
Mon 11/163:25 pm
GLA
- SEA
2 stops37h 53m
Finnair
Deal found 6/13![Finnair logo]()
$902
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:12 pm
SEA
- BHD
2 stops17h 18m
American Airlines
Thu 10/2212:45 pm
BHD
- SEA
2 stops19h 29m
American Airlines
Deal found 6/9![American Airlines logo]()
$919
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:45 pm
SEA
- LHR
Nonstop9h 50m
KLM
Thu 8/206:30 am
LHR
- SEA
1 stop13h 07m
KLM
Deal found 6/10![KLM logo]()
$950
This Virgin Atlantic deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:45 pm
SEA
- LCY
1 stop16h 45m
Virgin Atlantic
Tue 8/118:15 pm
LCY
- SEA
1 stop23h 22m
Virgin Atlantic
Deal found 6/9![Virgin Atlantic logo]()
$953
This SWISS deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am
SEA
- LGW
2 stops17h 20m
SWISS
Thu 9/179:25 am
LGW
- SEA
2 stops17h 07m
SWISS
Deal found 6/8![SWISS logo]()
$965
This Turkish Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 11/307:05 pm
SEA
- EDI
1 stop30h 35m
Turkish Airlines
Fri 12/1110:40 am
EDI
- SEA
1 stop38h 30m
Turkish Airlines
Deal found 6/11![Turkish Airlines logo]()
$967
This JetBlue deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:45 am
SEA
- EDI
1 stop14h 15m
JetBlue
Thu 9/1011:30 am
EDI
- SEA
1 stop19h 08m
JetBlue
Deal found 6/8![JetBlue logo]()
$1,001
This Air Canada deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:45 am
SEA
- EDI
2 stops17h 35m
Air Canada
Fri 9/119:00 am
EDI
- SEA
2 stops21h 42m
Air Canada
Deal found 6/8![Air Canada logo]()
$1,029
This Icelandair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 pm
SEA
- GLA
1 stop10h 25m
Icelandair
Sun 9/272:20 pm
GLA
- SEA
1 stop14h 20m
Icelandair
Deal found 6/9![Icelandair logo]()
$861
This Scandinavian Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:55 pm
SEA
- EDI
2 stops33h 35m
Scandinavian Airlines
Tue 8/257:10 pm
EDI
- SEA
2 stops36h 09m
Scandinavian Airlines
Deal found 6/8![Scandinavian Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:20 pm
SEA
- LHR
Nonstop9h 50m
Delta
Tue 8/256:30 am
LHR
- SEA
1 stop13h 07m
Delta
Deal found 6/10![Delta logo]()
$900
This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:40 pm
SEA
- LTN
2 stops17h 45m
Multiple Airlines
Fri 9/116:20 am
LTN
- SEA
2 stops19h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 10/510:42 am
SEA
- GLA
2 stops15h 28m
United Airlines
Thu 10/152:00 pm
GLA
- SEA
2 stops29h 27m
United Airlines
Deal found 6/13![United Airlines logo]()
$904
This British Airways deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:20 pm
SEA
- BHD
1 stop14h 25m
British Airways
Thu 9/247:30 pm
BHD
- SEA
1 stop24h 05m
British Airways
Deal found 6/9![British Airways logo]()
$906
This Icelandair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 pm
SEA
- GLA
1 stop10h 25m
Icelandair
Sat 9/262:20 pm
GLA
- SEA
1 stop14h 20m
Icelandair
Deal found 6/9![Icelandair logo]()
$861
This SWISS deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
SEA
- LGW
2 stops17h 25m
SWISS
Thu 9/109:25 am
LGW
- SEA
2 stops17h 07m
SWISS
Deal found 6/8![SWISS logo]()
$965
This Virgin Atlantic deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:30 pm
SEA
- LGW
1 stop18h 30m
Virgin Atlantic
Wed 8/1910:25 am
LGW
- SEA
2 stops20h 54m
Virgin Atlantic
Deal found 6/9![Virgin Atlantic logo]()
$971
This KLM deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:20 pm
SEA
- LHR
Nonstop9h 50m
KLM
Sun 9/136:30 pm
LHR
- SEA
Nonstop10h 23m
KLM
Deal found 6/8![KLM logo]()
$980
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/166:20 pm
SEA
- LHR
Nonstop9h 50m
Delta
Tue 8/256:30 am
LHR
- SEA
1 stop13h 07m
Delta
Deal found 6/12![Delta logo]()
$900
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am
SEA
- GLA
1 stop19h 10m
United Airlines
Tue 9/292:00 pm
GLA
- SEA
2 stops27h 36m
United Airlines
Deal found 6/8![United Airlines logo]()
$905
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/136:10 pm
SEA
- LTN
2 stops18h 05m
Multiple Airlines
Tue 7/218:55 pm
LTN
- SEA
2 stops26h 45m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$911
This British Airways deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:20 pm
SEA
- MAN
1 stop14h 40m
British Airways
Thu 10/18:00 pm
MAN
- SEA
1 stop23h 35m
British Airways
Deal found 6/9![British Airways logo]()
$913
This JetBlue deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:45 am
SEA
- EDI
1 stop14h 15m
JetBlue
Wed 9/912:10 pm
EDI
- SEA
1 stop16h 32m
JetBlue
Deal found 6/8![JetBlue logo]()
$1,016
Last-minute flights from Seattle to United KingdomDiscover last-minute flight deals from Seattle to United Kingdom. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to United Kingdom. Data last updated June 13, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/37:00 pm
SEA
- MAN
2 stops19h 50m
Multiple Airlines
Thu 7/97:25 pm
MAN
- SEA
2 stops24h 20m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$826
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/67:00 pm
SEA
- EDI
2 stops21h 35m
Multiple Airlines
Mon 7/138:05 pm
EDI
- SEA
2 stops23h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$797
This Gotogate deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:00 pm
SEA
- GLA
1 stop10h 25m
Icelandair
Tue 7/212:20 pm
GLA
- SEA
1 stop11h 35m
Icelandair
Deal found 6/8![Icelandair logo]()
$845
This Gotogate deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:40 pm
SEA
- GLA
1 stop13h 45m
Icelandair
Wed 7/222:20 pm
GLA
- SEA
1 stop29h 25m
Icelandair
Deal found 6/9![Icelandair logo]()
$847
This Gotogate deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:25 pm
SEA
- GLA
1 stop30h 00m
Icelandair
Thu 7/162:20 pm
GLA
- SEA
1 stop29h 25m
Icelandair
Deal found 6/9![Icelandair logo]()
$795
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/123:40 pm
SEA
- EDI
1 stop13h 40m
Multiple Airlines
Wed 7/226:10 am
EDI
- SEA
3 stops35h 57m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$829
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/1311:25 pm
SEA
- EDI
1 stop29h 55m
Multiple Airlines
Wed 7/226:10 am
EDI
- SEA
3 stops35h 57m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$844
This Trip.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:25 pm
SEA
- GLA
1 stop30h 00m
Icelandair
Fri 7/242:20 pm
GLA
- SEA
1 stop14h 20m
Icelandair
Deal found 6/9![Icelandair logo]()
$842
This Mytrip deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/213:40 pm
SEA
- MAN
2 stops23h 35m
Multiple Airlines
Tue 7/281:40 pm
MAN
- SEA
2 stops30h 05m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$790
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:25 pm
SEA
- EDI
1 stop29h 55m
Multiple Airlines
Sat 8/18:35 am
EDI
- SEA
3 stops33h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$776
This Gotogate deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Wed 7/293:40 pm
SEA
- GLA
1 stop13h 45m
Icelandair
Wed 8/52:20 pm
GLA
- SEA
1 stop29h 25m
Icelandair
Deal found 6/13![Icelandair logo]()
$759
This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:25 pm
SEA
- EDI
1 stop29h 55m
Multiple Airlines
Wed 8/1211:30 am
EDI
- SEA
2 stops30h 37m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$831
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 June 13, 2026.
Search for one-way flight options from Seattle to United Kingdom. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/246:35 pm
SEA
- EDI
3 stops43h 10m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/236:35 pm
SEA
- EDI
2 stops17h 55m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/256:35 pm
SEA
- EDI
3 stops45h 50m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/1711:25 pm
SEA
- EDI
2 stops41h 35m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1811:25 pm
SEA
- EDI
2 stops41h 00m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/267:00 pm
SEA
- EDI
2 stops21h 20m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/127:00 pm
SEA
- EDI
2 stops45h 35m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/1111:25 pm
SEA
- MAN
2 stops40h 20m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:25 pm
SEA
- EDI
3 stops38h 00m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$277
This oojo deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Wed 7/1511:25 pm
SEA
- GLA
1 stop30h 00m
Icelandair
Deal found 6/13![Icelandair logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/1311:25 pm
SEA
- EDI
2 stops47h 25m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$279
This Justfly.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Wed 7/227:00 pm
SEA
- GLA
1 stop10h 25m
Icelandair
Deal found 6/12![Icelandair logo]()
$281
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 June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $641 (Mytrip) |
One-way from | $194 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,169 |
Good round-trip deal | $995 or less |
Good one-way deal | $428 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 June 13, 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
SeattleGlasgow
SEA - GLA
SEAGLA
Seattle/Tacoma Intl
Sun 9/20
7:00 pm-1:25 pm
1 stop10h 25m
Glasgow Intl
Thu 9/24
2:20 pm-8:40 pm
1 stop14h 20m
$811
SeattleManchester
SEA - MAN
SEAMAN
Seattle/Tacoma Intl
Tue 9/29
3:55 pm-8:30 pm
2 stops20h 35m
Manchester
Sat 10/10
10:40 am-1:45 pm
2 stops35h 05m
$828
SeattleGlasgow
SEA - GLA
SEAGLA
Seattle/Tacoma Intl
Thu 9/10
7:00 pm-1:25 pm
1 stop10h 25m
Glasgow Intl
Sun 9/27
2:20 pm-8:40 pm
1 stop14h 20m
$861
SeattleGlasgow
SEA - GLA
SEAGLA
Seattle/Tacoma Intl
Mon 9/14
7:00 pm-1:25 pm
1 stop10h 25m
Glasgow Intl
Sat 9/26
2:20 pm-8:40 pm
1 stop14h 20m
$861
SeattleEdinburgh
SEA - EDI
SEAEDI
Seattle/Tacoma Intl
Sun 8/16
3:55 pm-9:30 am
2 stops33h 35m
Edinburgh Turnhouse
Tue 8/25
7:10 pm-11:19 pm
2 stops36h 09m
$874
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Wed 9/9
9:30 am-4:00 pm
2 stops22h 30m
London Gatwick
Mon 9/14
10:25 am-11:15 am
1 stop32h 50m
$881
SeattleLondon
SEA - LGW
SEALGW
Seattle/Tacoma Intl
Sat 9/5
6:15 pm-6:45 pm
1 stop16h 30m
London Gatwick
Mon 9/14
10:20 am-4:10 pm
1 stop13h 50m
$891
SeattleGlasgow
SEA - GLA
SEAGLA
Seattle/Tacoma Intl
Sun 9/27
8:20 pm-7:35 pm
1 stop15h 15m
Glasgow Intl
Tue 9/29
9:10 pm-6:25 pm
1 stop29h 15m
$891
SeattleLondon
SEA - LTN
SEALTN
Seattle/Tacoma Intl
Tue 8/18
7:00 pm-4:55 pm
2 stops13h 55m
London Luton
Tue 9/1
9:40 am-9:00 pm
2 stops19h 20m
$892
SeattleGlasgow
SEA - GLA
SEAGLA
Seattle/Tacoma Intl
Sun 9/20
8:40 am-10:10 am
2 stops17h 30m
Glasgow Intl
Thu 9/24
2:00 pm-9:55 pm
1 stop15h 55m
$900
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-EDI
SEA-MAN
SEA-LGW
SEA-LTN
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-EDI
SEA-MAN
SEA-LGW
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 $2,568). 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 June 13, 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 June 13, 2026.
The most flights from SEA to GB0 are scheduled on a Tuesday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (19 on average).
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 128 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 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 6% 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 82 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 June 13, 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.
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 June 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to United Kingdom flights
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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 June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$480 | Average$965 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$758 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$515 | Average$786 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$517 | Average$842 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$521 | Average$933 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$544 | Average$1,032 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$547 | Average$792 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$556 | Average$694 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$565 | Average$938 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$580 | Average$807 | FlexibilityNo cancel fee | On-time77% |