£223 Cheap British Airways flights from Boston to London (BOS→LHR)

You'll discover cheap round-trip British Airways flights £523 from BOS to LHR by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from £223 for a one-way journey.*

*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.

British Airways flights to London are generally cheaper in the off-peak months of January and February. Whether you're searching for a round-trip or one-way ticket, you could find a better deal then.

Book a seat on one of British Airways's 16 weekly direct flights from Logan Intl. Airport (BOS) to Heathrow Airport (LHR). To see what's available, enter your origin, dates and destination and hit search. Then apply the "Nonstop" and "Airline" filters.

From takeoff to arrival, a direct British Airways flight from Logan Intl. Airport (BOS) to Heathrow Airport (LHR) takes approximately 6h 29m.

British Airways operates the most flights from Logan Intl. Airport (BOS) to Heathrow Airport (LHR) on Thursday. With up to 3 daily departures, you'll get the most flexibility and choice on this day.

Hop on a British Airways flight from Logan Intl. Airport (BOS) to London, and you'll likely come in to Heathrow Airport (LHR). This is the airline's main hub here.

On a standard economy flight with British Airways from BOS to LHR, you can bring 1 checked-in bag up to 23 kg (50 lbs) with dimensions no larger than 89 centimetres x 41 centimetres x 74 centimetres in total. For hand luggage, you're allowed 1 cabin bag weighing up to 23 kg (50 lbs) and measuring no more than 56 centimetres x 23 centimetres x 43 centimetres. Weight and size allowances may vary based on the cabin class you're in and airfare type. To make sure you won't face extra fees at the airport, check your British Airways booking or go to the airline's website before packing your bags.

For the Logan Intl. Airport (BOS) to Heathrow Airport (LHR) route, British Airways typically uses Boeing 787-10 and Boeing 787-9 planes. Keep in mind that last-minute changes can occur for operational purposes, so your flight may be on another aircraft.

In most cases, you can reschedule or cancel your flight, although additional charges may apply if you made your booking more than 24 hours ago. Need to keep your options open? Apply the "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you have to adjust your plans. To update your itinerary, head to "Trips," select your flight and click on "Manage Booking" for further information.