Flights from Seattle to United Kingdom available from USD 517*

Deals on flights in next three months

USD

Seattle (SEA)to

London (LON)
May 05 2025 - May 27 2025
From
USD 582*
Viewed 1 hour ago
Round trip
/
Economy

Seattle (SEA)to

London (LON)
May 05 2025 - Jun 05 2025
From
USD 582*
Viewed 1 hour ago
Round trip
/
Economy

Seattle (SEA)to

London (LON)
May 06 2025 - May 29 2025
From
USD 582*
Viewed 1 hour ago
Round trip
/
Economy

Seattle (SEA)to

London (LON)
May 06 2025 - Jun 02 2025
From
USD 582*
Viewed 1 hour ago
Round trip
/
Economy

Seattle (SEA)to

Glasgow (GLA)
May 11 2025 - Jun 05 2025
From
USD 630*
Viewed 5 hrs ago
Round trip
/
Economy

Seattle (SEA)to

Glasgow (GLA)
May 13 2025 - Jun 05 2025
From
USD 630*
Viewed 5 hrs ago
Round trip
/
Economy

Seattle (SEA)to

Glasgow (GLA)
May 13 2025 - Jun 06 2025
From
USD 630*
Viewed 5 hrs ago
Round trip
/
Economy

Seattle (SEA)to

Glasgow (GLA)
May 13 2025 - Jun 08 2025
From
USD 630*
Viewed 5 hrs ago
Round trip
/
Economy

Seattle (SEA)to

London (LHR)
May 11 2025 - May 16 2025
From
USD 599*
Viewed 23 hrs ago
Round trip
/
Economy

Seattle (SEA)to

London (LHR)
May 12 2025 - May 16 2025
From
USD 599*
Viewed 19 hrs ago
Round trip
/
Economy

Seattle (SEA)to

London (LHR)
Apr 23 2025 - May 06 2025
From
USD 604*
Viewed 6 hrs ago
Round trip
/
Economy

Seattle (SEA)to

London (LHR)
Apr 29 2025 - May 08 2025
From
USD 604*
Viewed 23 hrs 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)London (LON)Round trip
/
Economy		Nov 21 2025 - Dec 02 2025

From

USD 570

Viewed 1 day ago

Seattle (SEA)London (LHR)Round trip
/
Economy		Nov 21 2025 - Nov 30 2025

From

USD 574

Viewed 1 day ago

Seattle (SEA)Glasgow (GLA)Round trip
/
Economy		Dec 13 2025 - Jan 08 2026

From

USD 617

Viewed 5 hrs ago

Seattle (SEA)London (LGW)Round trip
/
Economy		Nov 22 2025 - Nov 30 2025

From

USD 570

Viewed 17 hrs ago

Seattle (SEA)Manchester (MAN)Round trip
/
Economy		Oct 01 2025 - Nov 01 2025

From

USD 517

Viewed 11 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.