Book Icelandair flights to United Kingdom from USD 432*
Deals on flights in next three months

Boston (BOS)to
Glasgow (GLA)
Boston (BOS)to
Glasgow (GLA)
Seattle (SEA)to
London (LHR)
Chicago (ORD)to
Glasgow (GLA)
Chicago (ORD)to
Glasgow (GLA)
Seattle (SEA)to
London (LON)
Seattle (SEA)to
London (LON)
Boston (BOS)to
London (LON)
Boston (BOS)to
London (LON)
Portland (PDX)to
London (LON)
Portland (PDX)to
London (LON)
Raleigh-Durham (RDU)to
London (LON)*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.
Plan ahead for your trip to United Kingdom with Icelandair
From | To | Fare type | Dates | Price |
---|---|---|---|---|
Boston (BOS) | Glasgow (GLA) | Round trip / Economy | Nov 29 2025 - Dec 05 2025 | From USD 432 Viewed 1 hour ago |
Chicago (ORD) | Glasgow (GLA) | Round trip / Economy | Nov 16 2025 - Nov 22 2025 | From USD 553 Viewed 16 hrs ago |
Seattle (SEA) | London (LON) | Round trip / Economy | Oct 22 2025 - Nov 04 2025 | From USD 519 Viewed 1 day ago |
Portland (PDX) | London (LON) | Round trip / Economy | Mar 14 2026 - Mar 18 2026 | From USD 519 Viewed 16 hrs ago |
Raleigh-Durham (RDU) | London (LON) | Round trip / Economy | Mar 04 2026 - Mar 11 2026 | From USD 592 Viewed 15 hrs ago |
Orlando (MCO) | London (LON) | Round trip / Economy | Dec 02 2025 - Dec 08 2025 | From USD 519 Viewed 16 hrs ago |
Boston (BOS) | London (LON) | Round trip / Economy | Oct 28 2025 - Nov 06 2025 | From USD 519 Viewed 21 hrs ago |
Portland (PDX) | Manchester (MAN) | Round trip / Economy | Dec 01 2025 - Dec 03 2025 | From USD 555 Viewed 11 hrs ago |
Raleigh-Durham (RDU) | Glasgow (GLA) | Round trip / Economy | Feb 14 2026 - Mar 16 2026 | From USD 618 Viewed 1 day 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.