Flights from Boston to London available from USD 404*

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Our best rates from Boston to London

Jul 2025
FromUSD 534*
Fare: Round trip/Economy
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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 01 2025 - Sep 05 2025
    From
    USD 453
    Round trip
    Economy

    Boston (BOS)to

    London (LON)
    Sep 01 2025 - Sep 06 2025
    From
    USD 457
    Round trip
    Economy

    Boston (BOS)to

    London (LON)
    Oct 02 2025 - Oct 20 2025
    From
    USD 520
    Round trip
    Economy

    Boston (BOS)to

    London (LON)
    Oct 02 2025 - Oct 27 2025
    From
    USD 520
    Round trip
    Economy

    Boston (BOS)to

    London (LON)
    Oct 02 2025 - Nov 01 2025
    From
    USD 520
    Round trip
    Economy

    Boston (BOS)to

    London (LON)
    Oct 02 2025 - Nov 02 2025
    From
    USD 520
    Round trip
    Economy

    Boston (BOS)to

    London (LON)
    Oct 03 2025 - Oct 07 2025
    From
    USD 520
    Round trip
    Economy

    Boston (BOS)to

    London (LON)
    Oct 03 2025 - Oct 15 2025
    From
    USD 520
    Round trip
    Economy

    Boston (BOS)to

    London (LHR)
    Sep 18 2025 - Sep 29 2025
    From
    USD 447
    Round trip
    Economy

    Boston (BOS)to

    London (LHR)
    Aug 27 2025 - Sep 09 2025
    From
    USD 457
    Round trip
    Economy

    Boston (BOS)to

    London (LHR)
    Aug 31 2025 - Sep 07 2025
    From
    USD 538
    Round trip
    Economy

    Boston (BOS)to

    London (LHR)
    Aug 05 2025 - Aug 19 2025
    From
    USD 617
    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    		Apr 10 2026 - Apr 18 2026

    From

    USD 404

    Viewed 21 hrs ago

    Boston (BOS)London (LON)Round trip
    /
    Economy    		Apr 11 2026 - Apr 18 2026

    From

    USD 404

    Viewed 21 hrs ago

    Boston (BOS)London (LON)Round trip
    /
    Economy    		Jan 11 2026 - Jan 16 2026

    From

    USD 520

    Viewed 1 day ago

    Boston (BOS)London (LON)Round trip
    /
    Economy    		Jan 11 2026 - Jan 20 2026

    From

    USD 520

    Viewed 1 day ago

    Boston (BOS)London (LON)Round trip
    /
    Economy    		Jan 11 2026 - Jan 21 2026

    From

    USD 520

    Viewed 1 day ago

    Boston (BOS)London (LON)Round trip
    /
    Economy    		Jan 11 2026 - Jan 22 2026

    From

    USD 520

    Viewed 1 day ago

    Boston (BOS)London (LON)Round trip
    /
    Economy    		Jan 11 2026 - Jan 27 2026

    From

    USD 520

    Viewed 1 day ago

    Boston (BOS)London (LON)Round trip
    /
    Economy    		Jan 11 2026 - Feb 03 2026

    From

    USD 520

    Viewed 1 day ago

    Boston (BOS)London (LON)Round trip
    /
    Economy    		Jan 11 2026 - Feb 05 2026

    From

    USD 520

    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.