Travel with Air Canada from Boston to London, UK (BOS - LHR)

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*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

Flights between Boston and London, UK - our lowest fares in cash

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    • Book flights from Boston (BOS) to London, UK (LHR) | Air Canada

    Flights between Boston and London, UK - our lowest fares in points

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    Flights between Boston and London, UK - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Boston (BOS)London, UK (LHR)Round-trip
    /
    Economy    		Jul 03, 2026 - Jul 17, 2026

    From

    80,000 pts
    + CAD 427

    Viewed: 1 day ago

    Boston (BOS)London, UK (LHR)Round-trip
    /
    Economy    		Jul 21, 2026 - Jul 30, 2026

    From

    65,800 pts
    + CAD 80

    Viewed: 3 hours ago

    *Points displayed do not reflect preferred pricing for Aeroplan Elite Status Members and/or Aeroplan Credit Cardholders. Prices have been collected within the past 48 hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

    Explore all routes from Boston to London, UK