Flights from Seattle to United Kingdom available from USD 479*

Promo code

Deals on flights in next three months

USD

Seattle (SEA)to

Glasgow (GLA)
Nov 02 2025 - Nov 07 2025
From
USD 541
Viewed 23 hrs ago
Round trip
Economy

Seattle (SEA)to

Glasgow (GLA)
Nov 02 2025 - Nov 11 2025
From
USD 541
Viewed 23 hrs ago
Round trip
Economy

Seattle (SEA)to

Glasgow (GLA)
Nov 02 2025 - Nov 12 2025
From
USD 541
Viewed 23 hrs ago
Round trip
Economy

Seattle (SEA)to

Glasgow (GLA)
Nov 02 2025 - Nov 14 2025
From
USD 541
Viewed 23 hrs ago
Round trip
Economy

Seattle (SEA)to

London (LON)
Nov 27 2025 - Dec 10 2025
From
USD 539
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

London (LON)
Nov 27 2025 - Dec 11 2025
From
USD 539
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

London (LON)
Nov 27 2025 - Dec 12 2025
From
USD 539
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

London (LON)
Dec 04 2025 - Dec 08 2025
From
USD 539
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

London (LHR)
Dec 05 2025 - Dec 13 2025
From
USD 479
Viewed 3 hrs ago
Round trip
Economy

Seattle (SEA)to

London (LHR)
Nov 30 2025 - Dec 05 2025
From
USD 543
Viewed 1 day ago
Round trip
Economy

Seattle (SEA)to

London (LHR)
Nov 26 2025 - Dec 10 2025
From
USD 543
Viewed 17 hrs ago
Round trip
Economy

Seattle (SEA)to

London (LHR)
Nov 19 2025 - Nov 25 2025
From
USD 543
Viewed 1 day ago
Round trip
Economy

*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.

Blue image with a map of Iceland and text that reads: Include a little more of Iceland in your journey. Add a Stopover

Plan ahead for your trip from Seattle to United Kingdom with Icelandair

USD
Plan ahead for your trip from Seattle to United Kingdom with Icelandair
From
To
Fare type
Dates
Price
Seattle (SEA)Glasgow (GLA)Round trip
/
Economy		Feb 18 2026 - Feb 24 2026

From

USD 541

Viewed 23 hrs ago

Seattle (SEA)London (LON)Round trip
/
Economy		Jan 19 2026 - Feb 12 2026

From

USD 539

Viewed 1 day ago

Seattle (SEA)London (LHR)Round trip
/
Economy		Apr 08 2026 - Apr 19 2026

From

USD 537

Viewed 21 hrs ago

Seattle (SEA)Edinburgh (EDI)Round trip
/
Economy		Mar 12 2026 - Mar 26 2026

From

USD 594

Viewed 21 hrs ago

Seattle (SEA)London (LGW)Round trip
/
Economy		Mar 06 2026 - Mar 16 2026

From

USD 615

Viewed 2 days ago

Seattle (SEA)Manchester (MAN)Round trip
/
Economy		Jan 08 2026 - Jan 15 2026

From

USD 523

Viewed 16 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.