Cheap flights from London to Boston from R7 848

In general, February is the cheapest month to fly from London to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R9 322. If you aren’t able to travel during the month of February, then book flights to Boston from London during November instead. Flights to Boston in November, while not as cheap as those in February, still average around R10 696.

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

You are more likely to see cheaper flights to Boston from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around R11 684 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 London for as low as R11 160 on momondo.

There are 2 cabin classes available to choose from on London to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 10% of flights between London and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 159 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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. Thursday 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 6% of their flights experiencing any sort of delay.

As of October 2026, there are 17 flights per day flying from London to Boston. The most common time of day flights depart is 9:00, with 41% of flights taking off at midday.

125 flights are operational weekly from London to Boston as of October 2026. The most popular departure day for this route is Wed, with 27% of flights per week taking off on this day.