Flights from Boston to London available from USD 738*
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Our best rates from Boston to London
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Fly in the next 3 months: flights from Boston to London (LON)
Icelandair airfare from Boston to London - starting at USD 738
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USD
Boston (BOS)to
London (LHR)Dec 24 2026 - Dec 27 2026
From
USD 1,016
Viewed 17 hrs ago
Round trip
Economy
Boston (BOS)to
London (LHR)Dec 10 2026 - Dec 19 2026
From
USD 842
Viewed 2 days ago
Round trip
Economy
Boston (BOS)to
London (LON)Nov 15 2026 - Nov 25 2026
From
USD 738
Viewed 22 hrs ago
Round trip
Economy
Boston (BOS)to
London (LON)Nov 17 2026 - Dec 16 2026
From
USD 738
Viewed 22 hrs ago
Round trip
Economy
Boston (BOS)to
London (LON)Nov 18 2026 - Dec 16 2026
From
USD 738
Viewed 22 hrs ago
Round trip
Economy
Boston (BOS)to
London (LON)Nov 30 2026 - Dec 18 2026
From
USD 738
Viewed 22 hrs ago
Round trip
Economy
Boston (BOS)to
London (LON)Nov 30 2026 - Dec 23 2026
From
USD 738
Viewed 22 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.
Flights from Boston (BOS) to London (LON) in the next 365 days
Book ahead and find our best prices in 2026 and beyond
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From | To | Fare type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | London (LON) | Round trip / Economy | Feb 28 2027 - Mar 17 2027 | From USD 738 Viewed 22 hrs ago | |
| Boston (BOS) | London (LON) | Round trip / Economy | Feb 28 2027 - Mar 23 2027 | From USD 738 Viewed 22 hrs ago | |
| Boston (BOS) | London (LON) | Round trip / Economy | Feb 28 2027 - Mar 24 2027 | From USD 738 Viewed 22 hrs ago | |
| Boston (BOS) | London (LHR) | Round trip / Economy | Dec 10 2026 - Dec 19 2026 | From USD 842 Viewed 2 days ago | |
| Boston (BOS) | London (LHR) | Round trip / Economy | Aug 18 2027 - Aug 28 2027 | From USD 939 Viewed 2 days ago | |
| Boston (BOS) | London (LHR) | Round trip / Economy | Aug 20 2027 - Aug 28 2027 | From USD 1,013 Viewed 2 days 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.
Make the most of your trip
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.
Flying with Icelandair: more than just a journey
Generous baggage allowances
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Entertainment for all ages
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