Flights from Seattle to United Kingdom available from USD 633*
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expand_moreFly in the next 3 months: Flights from Seattle to United Kingdom
Icelandair airfare from Seattle to United Kingdom - starting at USD 633
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USD
Seattle (SEA)to
Glasgow (GLA)Nov 17 2026 - Dec 08 2026
From
USD 952
Viewed 20 hrs ago
Round trip
Economy
Seattle (SEA)to
Glasgow (GLA)Nov 23 2026 - Dec 08 2026
From
USD 952
Viewed 20 hrs ago
Round trip
Economy
Seattle (SEA)to
Glasgow (GLA)Nov 23 2026 - Dec 09 2026
From
USD 952
Viewed 20 hrs ago
Round trip
Economy
Seattle (SEA)to
Glasgow (GLA)Dec 06 2026 - Dec 10 2026
From
USD 952
Viewed 20 hrs ago
Round trip
Economy
Seattle (SEA)to
Glasgow (GLA)Nov 15 2026 - Nov 19 2026
From
USD 952
Viewed 20 hrs ago
Round trip
Economy
Seattle (SEA)to
London (LON)Jan 26 2027 - Feb 16 2027
From
USD 633
Viewed 21 hrs ago
Round trip
Economy
Seattle (SEA)to
London (LON)Jan 27 2027 - Feb 10 2027
From
USD 633
Viewed 21 hrs ago
Round trip
Economy
Seattle (SEA)to
London (LON)Dec 08 2026 - Dec 23 2026
From
USD 633
Viewed 21 hrs ago
Round trip
Economy
Seattle (SEA)to
London (LON)Nov 15 2026 - Nov 25 2026
From
USD 633
Viewed 21 hrs ago
Round trip
Economy
Seattle (SEA)to
London (LON)Nov 17 2026 - Nov 25 2026
From
USD 633
Viewed 21 hrs ago
Round trip
Economy
Seattle (SEA)to
Manchester (MAN)Dec 30 2026 - Jan 13 2027
From
USD 807
Viewed 15 hrs ago
Round trip
Economy
Seattle (SEA)to
Manchester (MAN)Jan 04 2027 - Jan 12 2027
From
USD 807
Viewed 15 hrs ago
Round trip
Economy
*Fares displayed have been collected within the last 72 hours and may no longer be available at the time of booking. We display fares for Economy Light as standard, but it is possible to change your class of service during the booking process. You can also add baggage meals and extra legroom to your trip during booking.
Make the most of your trip
Flights from Seattle (SEA) to United Kingdom in the next 365 days
Book ahead and find our best prices in 2026 and beyond
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USD
From | To | Fare type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | London (LON) | Round trip / Economy | Feb 23 2027 - Mar 16 2027 | From USD 633 Viewed 21 hrs ago | |
| Seattle (SEA) | London (LON) | Round trip / Economy | Jan 25 2027 - Feb 10 2027 | From USD 633 Viewed 21 hrs ago | |
| Seattle (SEA) | London (LON) | Round trip / Economy | Jan 27 2027 - Feb 16 2027 | From USD 633 Viewed 21 hrs ago | |
| Seattle (SEA) | Manchester (MAN) | Round trip / Economy | Jan 17 2027 - Jan 26 2027 | From USD 807 Viewed 15 hrs ago | |
| Seattle (SEA) | Manchester (MAN) | Round trip / Economy | Jan 17 2027 - Jan 28 2027 | From USD 807 Viewed 15 hrs ago | |
| Seattle (SEA) | Manchester (MAN) | Round trip / Economy | Jan 17 2027 - Jan 29 2027 | From USD 807 Viewed 15 hrs ago | |
| Seattle (SEA) | Glasgow (GLA) | Round trip / Economy | Nov 29 2026 - Dec 04 2026 | From USD 952 Viewed 20 hrs ago | |
| Seattle (SEA) | Glasgow (GLA) | Round trip / Economy | Nov 29 2026 - Dec 08 2026 | From USD 952 Viewed 20 hrs ago | |
| Seattle (SEA) | Glasgow (GLA) | Round trip / Economy | Nov 29 2026 - Dec 15 2026 | From USD 952 Viewed 20 hrs ago | |
| Seattle (SEA) | Edinburgh (EDI) | Round trip / Economy | Sep 16 2027 - Sep 28 2027 | From USD 1,196 Viewed 13 hrs ago |
*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.
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