Cheap flights from London to Boston from ₹ 45,354

The month of February is, on average, the cheapest month to fly to Boston from London, with most prices found around ₹ 53,531. If you are unable to visit Boston during the month of February, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around ₹ 61,423.

The cheapest day to depart from London to Boston is on a Thursday. Travellers who choose to depart for Boston on a Thursday will often find tickets for as low as ₹ 61,770. On the other hand, Saturday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around ₹ 100,387.

Our most recent data shows that the best time of day to fly to Boston is in the afternoon. Flights from London to Boston during this time can be as low as ₹ 73,323. Try not to purchase tickets at midday because they tend to be around ₹ 95,940. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 ₹ 67,160 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 ₹ 64,466 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.

You could potentially save up to 25% on your flight if you consider stops on a London to Boston flight.

As of October 2026, prices for London to Boston flights are approximately 17% more expensive when compared to flights at the same time last year.

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.

The number of flights available between London and Boston is 26 per day as of October 2026. The most frequent departure time is 09:00, with 44% of daily flights leaving in the afternoon.

The number of flights available between London and Boston is 187 per week as of October 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.