Cheap flights from Massachusetts to London from £240

In general, August is the cheapest month to fly from Massachusetts to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £423. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Massachusetts averaging around £459.

On average, the least expensive day to fly to London Heathrow Airport from Massachusetts is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £414. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £545.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Massachusetts to London Heathrow Airport in the afternoon for as low as £408. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £570 on average. Flights to London Heathrow Airport from Massachusetts in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Boston Logan Intl to London Heathrow for the best Massachusetts - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £497 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Massachusetts for as low as £448 on momondo.

There are 3 cabin classes available to choose from on Massachusetts to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, JetBlue, and ITA Airways are the most popular carriers operating from Massachusetts to London Heathrow

British Airways, Virgin Atlantic and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Massachusetts according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 9 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

As of June 2026, 33 flights take off from Massachusetts and land in London Heathrow Airport each day. The most common flight departure time for this route is 19:00, with 85% of daily flights taking off in the evening.

232 flights are operational weekly from Massachusetts to London Heathrow Airport as of June 2026. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.