Cheap flights from the United Kingdom to Boston from $339

In general, September 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 $527. If you aren’t able to travel during the month of September, then book flights to Boston from United Kingdom during February instead. Flights to Boston in February, while not as cheap as those in September, still average around $542.

The cheapest day to depart from United Kingdom to Boston is on a Wednesday when prices can be found for as low as $670. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $772.

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 $688. 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 $830 per ticket.

Fly from Edinburgh Turnhouse 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 $634 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 $570 on momondo.

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

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 52% 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 9% 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 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 4% of their flights experiencing any sort of delay.

As of March 2026, there are 14 flights per day flying from United Kingdom to Boston. The most common time of day flights depart is 1:00PM, with 45% of flights taking off in the afternoon.

As of March 2026, there are 103 flights per week flying from United Kingdom to Boston. The most common day of the week flights depart is Thu, with 31% of flights taking off on this day.