Cheap flights from Boston to London from £216

The cheapest month to fly to London Gatwick Airport from Boston is in March. Flight prices, which tend to average around £370, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in March, then you should wait until September to fly from Boston, when ticket prices are also cheap, with an average price of £373.

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

You are more likely to see cheaper flights to London Gatwick Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around £468 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Boston for as low as £368 on momondo.

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

You could potentially save up to 34% on your flight if you consider stops on a Boston to London Gatwick Airport flight.

As of June 2026, prices for Boston to London Gatwick Airport flights are approximately 20% more expensive when compared to flights at the same time last year.

Historically, on average around 15% of flights between Boston and London have experienced a delay on any given week. The average delay length over the past 12 months has been 117 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.

Wednesday 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, JetBlue have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of June 2026, 2 flights take off from Boston and land in London Gatwick Airport each day. The most common flight departure time for this route is 21:00, with 100% of daily flights taking off in the evening.

As of June 2026, 14 flights take off from Boston and land in London Gatwick Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.