£327 Cheap American Airlines flights from Boston to London (BOS→LHR)

Finding cheap one-way American Airlines flights from BOS to LHR from £327 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares £620 for your next exciting holiday.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

American Airlines flights to London tend to be cheaper in the off-peak months of January and February. Whether you're after a round-trip or one-way ticket, you could find a better deal then.

Easily travel from Logan Intl. Airport (BOS) to Heathrow Airport (LHR) on one of American Airlines's 3 weekly direct flights. Apply Expedia's "Nonstop" and "Airline" filters to find the American Airlines flight that'll take you to LHR at your preferred time.

It takes approximately 6h 30m to fly nonstop from Logan Intl. Airport (BOS) to Heathrow Airport (LHR) with American Airlines.

American Airlines flights from Logan Intl. Airport (BOS) to London touch down at Heathrow Airport (LHR). This is the main gateway here.

American Airlines typically flies Boeing 787-10 planes for flights from Logan Intl. Airport (BOS) to Heathrow Airport (LHR). This carrier also operates the Boeing 787-9 on this route. Bear in mind that aircraft type can change depending on operational reasons, so the plane you board might be different when you leave.

Changes are usually free within 24 hours of booking, but your airline may charge a fee after that. For more details about modifying your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without extra charges, apply the "Changes included" and "No cancel fee" filters when organising your next adventure.