Book Icelandair flights to United Kingdom from USD 437*
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1 Passenger
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Deals on flights in next three months
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USD
Seattle (SEA)to
London (LON)Nov 15 2025 - Nov 19 2025
From
USD 553
Viewed 12 hrs ago
Round trip
Economy
Seattle (SEA)to
London (LON)Nov 15 2025 - Nov 20 2025
From
USD 553
Viewed 12 hrs ago
Round trip
Economy
Boston (BOS)to
Glasgow (GLA)Dec 07 2025 - Dec 17 2025
From
USD 517
Viewed 14 hrs ago
Round trip
Economy
Boston (BOS)to
Glasgow (GLA)Dec 08 2025 - Dec 16 2025
From
USD 517
Viewed 14 hrs ago
Round trip
Economy
Denver (DEN)to
London (LON)Dec 06 2025 - Dec 10 2025
From
USD 577
Viewed 1 day ago
Round trip
Economy
Denver (DEN)to
London (LON)Nov 18 2025 - Nov 26 2025
From
USD 577
Viewed 1 day ago
Round trip
Economy
Seattle (SEA)to
London (LHR)Nov 19 2025 - Dec 03 2025
From
USD 557
Viewed 2 days ago
Round trip
Economy
Seattle (SEA)to
London (LHR)Nov 07 2025 - Nov 14 2025
From
USD 557
Viewed 2 days ago
Round trip
Economy
Washington, D.C. (IAD)to
Glasgow (GLA)Nov 05 2025 - Nov 11 2025
From
USD 468
Viewed 20 hrs ago
Round trip
Economy
Washington, D.C. (IAD)to
Glasgow (GLA)Nov 08 2025 - Nov 15 2025
From
USD 513
Viewed 8 hrs ago
Round trip
Economy
New York (NYC)to
London (LON)Dec 07 2025 - Dec 12 2025
From
USD 518
Viewed 13 hrs ago
Round trip
Economy
New York (NYC)to
London (LON)Nov 19 2025 - Dec 03 2025
From
USD 518
Viewed 13 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.
Plan ahead for your trip to United Kingdom with Icelandair
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USD
From | To | Fare type | Dates | Price |
|---|---|---|---|---|
| Seattle (SEA) | London (LON) | Round trip / Economy | Feb 18 2026 - Feb 23 2026 | From USD 553 Viewed 12 hrs ago |
| Boston (BOS) | Glasgow (GLA) | Round trip / Economy | Jan 05 2026 - Jan 21 2026 | From USD 517 Viewed 14 hrs ago |
| Denver (DEN) | London (LHR) | Round trip / Economy | Jan 16 2026 - Jan 22 2026 | From USD 581 Viewed 1 day ago |
| Seattle (SEA) | London (LHR) | Round trip / Economy | Jan 15 2026 - Jan 23 2026 | From USD 557 Viewed 2 days ago |
| New York (NYC) | London (LON) | Round trip / Economy | Feb 18 2026 - Feb 24 2026 | From USD 518 Viewed 13 hrs ago |
| Washington, D.C. (IAD) | Glasgow (GLA) | Round trip / Economy | Feb 01 2026 - Feb 09 2026 | From USD 541 Viewed 1 day ago |
| Chicago (ORD) | Glasgow (GLA) | Round trip / Economy | Jan 08 2026 - Jan 12 2026 | From USD 519 Viewed 13 hrs ago |
| Boston (BOS) | London (LON) | Round trip / Economy | Feb 02 2026 - Feb 12 2026 | From USD 518 Viewed 12 hrs ago |
| Baltimore (BWI) | Glasgow (GLA) | Round trip / Economy | Mar 19 2026 - Mar 31 2026 | From USD 467 Viewed 18 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.
