Flights from Boston to London available from USD 518*

Promo code

Our best rates from Boston to London

Jun 2025
FromUSD 793*
Fare: Round trip/Economy
Displaying fares for June-2025
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*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking

Fly in the next three months: flights from Boston to London

USD

Boston (BOS)to

London (LON)
Sep 02 2025 - Oct 01 2025
From
USD 525
Round trip
Economy

Boston (BOS)to

London (LON)
Sep 03 2025 - Oct 01 2025
From
USD 525
Round trip
Economy

Boston (BOS)to

London (LON)
Sep 04 2025 - Oct 01 2025
From
USD 525
Round trip
Economy

Boston (BOS)to

London (LON)
Sep 11 2025 - Oct 05 2025
From
USD 525
Round trip
Economy

Boston (BOS)to

London (LON)
Sep 11 2025 - Oct 12 2025
From
USD 525
Round trip
Economy

Boston (BOS)to

London (LON)
Sep 06 2025 - Oct 01 2025
From
USD 525
Round trip
Economy

Boston (BOS)to

London (LON)
Sep 06 2025 - Oct 05 2025
From
USD 525
Round trip
Economy

Boston (BOS)to

London (LON)
Sep 07 2025 - Oct 05 2025
From
USD 525
Round trip
Economy

Boston (BOS)to

London (LHR)
Aug 06 2025 - Aug 20 2025
From
USD 664
Round trip
Economy

Boston (BOS)to

London (LHR)
Aug 03 2025 - Aug 12 2025
From
USD 754
Round trip
Economy

Boston (BOS)to

London (LHR)
Aug 02 2025 - Aug 12 2025
From
USD 859
Round trip
Economy

Boston (BOS)to

London (LGW)
Aug 26 2025 - Sep 02 2025
From
USD 576
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 Boston to London with Icelandair

USD
Plan ahead for your trip from Boston to London with Icelandair
From
To
Fare type
Dates
Price
Boston (BOS)London (LON)Round trip
/
Economy		Dec 10 2025 - Jan 09 2026

From

USD 518

Viewed 1 day ago

Boston (BOS)London (LON)Round trip
/
Economy		Dec 10 2025 - Jan 10 2026

From

USD 518

Viewed 1 day ago

Boston (BOS)London (LON)Round trip
/
Economy		Dec 11 2025 - Dec 14 2025

From

USD 518

Viewed 1 day ago

Boston (BOS)London (LON)Round trip
/
Economy		Dec 11 2025 - Jan 09 2026

From

USD 518

Viewed 1 day ago

Boston (BOS)London (LON)Round trip
/
Economy		Dec 11 2025 - Jan 11 2026

From

USD 518

Viewed 1 day ago

Boston (BOS)London (LON)Round trip
/
Economy		Dec 12 2025 - Jan 09 2026

From

USD 518

Viewed 1 day ago

Boston (BOS)London (LON)Round trip
/
Economy		Feb 05 2026 - Feb 10 2026

From

USD 518

Viewed 1 day ago

Boston (BOS)London (LON)Round trip
/
Economy		Feb 05 2026 - Feb 12 2026

From

USD 518

Viewed 1 day ago

Boston (BOS)London (LON)Round trip
/
Economy		Feb 05 2026 - Feb 18 2026

From

USD 518

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.

Flights from Boston to London

Want to get out of town with a flight from Boston (BOS) to London (LHR/LGW)? Say goodbye to Beantown and say hello to the UK's cosmopolitan capital with cheap flight tickets to London.

For the best fares and an unparalleled flying experience, choose Icelandair to fly from Boston (BOS) to London (LHR). You'll enjoy an easy transit at our Keflavík hub and one of the shortest flying times over the Atlantic on board our flights from Boston to London.

 

FAQs about travel from Boston to London

Helpful information for US travelers visiting London

What is the Boston to London flight time?

Flying from Boston (BOS) to London (LHR/LGW) takes under 7 hours on average. Because of Icelandair's northerly routes, the duration of flights from Boston to London is often significantly shorter than when flying with other airlines.

Are there direct flights from Boston to London?

Flights to London from Boston with Icelandair include a stop in Reykjavík. Travelers can enjoy an easy transit in our Keflavík hub and travel onwards after just a short stop, or choose to Stopover in Iceland and enjoy all that Iceland has to offer on their way to London.

Use our flight finder tool above to find the best deals for your travel dates. We also offer flights from Boston to Manchester and Glasgow, so you can choose the route that works best for you.

Should I include a Stopover in my journey to London?

Add a Stopover in Iceland for anywhere between 1 and 7 days at no additional airfare.

Take the opportunity to explore Iceland's natural wonders and experience the culture and charm that Reykjavik has to offer, before heading on to metropolitan London.

What’s included on an Icelandair flight from Boston to London?

Our in-flight entertainment system is available on all of our Boston to London flights and it offers a full selection of programming for both adults and children alike. There are also a variety of meals and snacks on board, including a complimentary meal for children.

Visit our support hub for more information about flying transatlantic with Icelandair, including baggage allowances and pre-flight advice.

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