Cheap flights from the United Kingdom to Boston from $351

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 $545. If you aren’t able to travel during the month of February, then book flights to Boston from United Kingdom during September instead. Flights to Boston in September, while not as cheap as those in February, still average around $562.

The cheapest day to depart from United Kingdom to Boston is on a Wednesday when prices can be found for as low as $681. 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 Boston on Saturday is $781.

According to our data, the cheapest time of day to fly to Boston is at noon. momondo users have found flights departing from United Kingdom to Boston at noon for as low as $702. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Boston, so prices are often more expensive at around $898 per ticket.

Fly from London Gatwick 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 $650 when searching weeks out. 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 $573 on momondo.

LEVEL, SWISS, and United Airlines are the most popular carriers operating from United Kingdom to Boston Logan Intl

British Airways, Delta 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 47% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 12 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 148 minutes.

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

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

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

As of May 2026, there are 39 flights per day flying from United Kingdom to Boston. The most common time of day flights depart is 11:00AM, with 50% of flights taking off at noon.

As of May 2026, there are 275 flights per week flying from United Kingdom to Boston. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.