Cheap flights from London Heathrow to Boston

from as little as £347

3 nights in Boston, departing London Heathrow on 07 / Feb / 2025 with SAS (price found 40 hours ago)

Subject to availability, prices correct of the last 24 hours
Boston

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The London Heathrow / Boston route

All 5243 km of it

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Boston flight facts

What you need to know

Alternative flights from the UK to Boston

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Boston

Today alone, Netflights has searched over 45,746 flights. 07 / Feb / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Boston route. There are around 1,586 flights on any given week from the UK to Boston and the cheapest month to fly right now is February.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

-5 °C

AVG

11 °C

HIGHEST

28 °C

Rainfall (mm)
LOWEST

78 mm

AVG

89.3 mm

HIGHEST

101 mm

Key facts about Boston

How to get cheap flights from London Heathrow to Boston

Tips and advice from our flight experts

Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Boston, across the 21 airlines that offer this route. We've found that 07 / Feb / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.

There are 1,586 flights from London Heathrow to or via Boston every week. Out of the 21 available airlines, the most popular ones are British Airways, Virgin Atlantic & Air Canada. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.

Your flight from London Heathrow to Boston will take at least 7 hrs 20 mins. On average, it takes 11 hrs 30 mins to fly the 5243 km distance. Take a look at flight times to see which one works best for you.

If you want to travel in August, it's best to book your flights early, as this is peak season in Boston. The cheapest month to fly is normally January – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.

Other popular destinations near Boston

Where other people are flying to

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