Book Icelandair flights to United Kingdom from USD 703*

1 Passenger

Promo code

From

Deals on flights to United Kingdom in the next 3 months

Icelandair airfare to United Kingdom - starting at USD 763

From

Budget

USD

New York (NYC)to

London (LON)

Nov 09 2026 - Nov 18 2026

From

USD 763

Viewed 1 day ago

Round trip

Economy

Denver (DEN)to

London (LON)

Dec 01 2026 - Dec 23 2026

From

USD 821

Viewed 2 days ago

Round trip

Economy

Denver (DEN)to

London (LON)

Dec 01 2026 - Dec 24 2026

From

USD 821

Viewed 2 days ago

Round trip

Economy

Denver (DEN)to

London (LON)

Nov 30 2026 - Dec 24 2026

From

USD 821

Viewed 2 days ago

Round trip

Economy

Denver (DEN)to

London (LON)

Nov 26 2026 - Dec 23 2026

From

USD 821

Viewed 2 days ago

Round trip

Economy

Denver (DEN)to

London (LON)

Nov 30 2026 - Dec 23 2026

From

USD 821

Viewed 2 days ago

Round trip

Economy

Orlando (MCO)to

London (LHR)

Jan 23 2027 - Jan 29 2027

From

USD 820

Viewed 20 hrs ago

Round trip

Economy

Chicago (ORD)to

London (LON)

Nov 25 2026 - Dec 18 2026

From

USD 797

Viewed 18 hrs ago

Round trip

Economy

Chicago (ORD)to

London (LON)

Nov 24 2026 - Dec 16 2026

From

USD 797

Viewed 18 hrs ago

Round trip

Economy

Chicago (ORD)to

London (LON)

Nov 24 2026 - Dec 18 2026

From

USD 797

Viewed 18 hrs ago

Round trip

Economy

Chicago (ORD)to

London (LON)

Nov 25 2026 - Dec 23 2026

From

USD 797

Viewed 18 hrs ago

Round trip

Economy

Chicago (ORD)to

London (LON)

Nov 25 2026 - Dec 24 2026

From

USD 797

Viewed 18 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 - flights in the next 365 days

Book ahead and find our best prices in 2026 and beyond

From

Budget

USD

Plan ahead for your trip to United Kingdom - flights in the next 365 days
From	To	Fare type	Dates	Price
Boston (BOS)	London (LON)	Round trip / Economy	Mar 08 2027 - Mar 31 2027	From USD 703 Viewed 19 hrs ago
Boston (BOS)	London (LON)	Round trip / Economy	Mar 09 2027 - Mar 31 2027	From USD 703 Viewed 19 hrs ago
Boston (BOS)	London (LON)	Round trip / Economy	Feb 03 2027 - Feb 18 2027	From USD 703 Viewed 19 hrs ago
New York (NYC)	London (LON)	Round trip / Economy	Mar 03 2027 - Mar 24 2027	From USD 722 Viewed 2 days ago
New York (NYC)	London (LON)	Round trip / Economy	Mar 07 2027 - Mar 16 2027	From USD 722 Viewed 2 days ago
New York (NYC)	London (LON)	Round trip / Economy	Mar 07 2027 - Mar 17 2027	From USD 722 Viewed 2 days ago
Boston (BOS)	London (LHR)	Round trip / Economy	May 11 2027 - Jun 08 2027	From USD 763 Viewed 7 hrs ago
Seattle (SEA)	London (LON)	Round trip / Economy	Feb 28 2027 - Mar 16 2027	From USD 767 Viewed 1 day ago
Seattle (SEA)	London (LON)	Round trip / Economy	Mar 01 2027 - Mar 19 2027	From USD 767 Viewed 1 day ago
Seattle (SEA)	London (LON)	Round trip / Economy	Mar 03 2027 - Mar 19 2027	From USD 767 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.