Cheap flights from the United Kingdom to Boston from £217

In general, February is the cheapest month to fly from United Kingdom to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £424. The month of March is another great option to travel to Boston, with average flight prices from United Kingdom averaging around £451.

The cheapest day to depart on your flight to Boston is on a Wednesday when prices can be found for as low as £553. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £616. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

Our most recent data shows that the best time of day to fly to Boston is at midday. Flights from United Kingdom to Boston during this time can be as low as £533. In the evening is when there is more demand to fly to Boston, so prices are often more expensive at around £693 per ticket.

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

You are more likely to see cheaper flights to Boston from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around £504 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from United Kingdom for as low as £460 on momondo.

There are 4 cabin classes available to choose from on United Kingdom to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

British Airways, Finnair, and United Airlines are the most popular carriers operating from United Kingdom to Boston Logan Intl

British Airways, Virgin Atlantic and Aer Lingus are the top three most popular airlines that fly to Boston from United Kingdom according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when travelling to Boston. Keep in mind that there are 19 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between United Kingdom and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

29 flights are operational daily from United Kingdom to Boston as of June 2026. The most popular departure time for this route is 20:00, with 40% of flights per day taking off at midday.

As of June 2026, 209 flights take off from United Kingdom and land in Boston each week. The most common flight departure day for this route is Tue, with 21% of weekly flights taking off on this day.