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Boston to London Flight Time and Distance

Average flight time is
6 hours 35 minutes
United States (USA)
United Kingdom
Boston to London Flight Time and Distance
Alex Manea
Written By Alex Manea
Last Updated: April 19, 2024

The Boston – London is one of the most popular routes between the US and UK with around 10 flights per day. Unlike other similar US to UK routes, this one has only one departing airport, Boston Logan International Airport, and one destination airport – London Heathrow Airport.

Boston to London Flights - Average Flight Time

The average duration of a nonstop flight from Boston to London (BOS to LHR) is between 6 hours and 35 minutes and 6 hours and 53 minutes. The fastest direct flight is operated by American Airlines and has a total flight time of 6 hours and 30 minutes, a little under the average. The longest flight, in terms of time, is 6 hours and 53 minutes and is offered by Jetblue. The rest of the airlines have a flight time of 6 hours and 35 minutes. Keep reading to see exactly which airlines offer direct flights from Boston.

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Boston to London Flights - Distance

The distance between Boston Logan International Airport and London Heathrow Airport is 3,265 miles (5,254 kilometers) or 2,837 nautical miles. While long, it does not compare to the flight distance between Los Angeles and London - 5,440 miles (8,756 kilometers), the longest nonstop flight from the US to the United Kingdom.

Departure and Arrival Airports

Although both Boston and London have several airports, only one in each city is used to fly this route.

Thus, flights take off only from Boston Logan international airport and land at London Heathrow Airport.

This is a peculiar case, as other US to UK routes land at several airports in London. For example, airplanes flying from New York to London also land at London Gatwick AirportLondon Stansted Airport or London City Airport.

Operating Airlines

Several airlines fly nonstop flights from Boston to London. These are:

In the graph below you can see all the flight duration times for each of the airlines mentioned above.

London to Boston Flight Duration

The London to Boston flight duration time is a bit longer. American Airlines offers the quickest flight, 7 hours and 18 minutes, while one of the longest clocks in at 7 hours and 56 minutes.

Is Boston to London flight covered by UK261?

UK261 is a law that protects air passenger rights in case of flight delays or cancellations. To benefit from this law, you must fly from Boston to London with a UK airline. In this case, the only UK airlines that fly this route are Virgin Atlantic and British Airways.

The table below shows explains in which cases you are eligible for compensation. We added European airlines as well, since they fall under the EU 261 regulation, a law similar to the British one.


EU Airline

UK Airline

Non-EU Airline

Departures from London 




Departures from Boston




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Boston to London Delayed or Cancelled Flight: How To Claim Compensation

In case you are flying with a UK airline and experience a flight delay of 3 hours or more or a cancellation, you are eligible to receive compensation of up to $650 (£520). Simply follow the steps in our flight delay compensation guide to see exactly what you need to do in case of a flight disruption.

Here are some guides on how to claim compensation from each of the airlines that operate this route:

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How to Find Cheap Flights

To take advantage of the best prices, you should, first of all, book your flight at least 2-3 months in advance. Also, if possible, try to fly in the months with less tourist traffic, for example February or March.

Lastly, you should compare the prices offered by each airline before purchasing a ticket to find the cheapest one possible.

If you follow these tips, you should be able to find tickets starting at around $600 (£520).

Additional information other travellers found helpful

Boston to London Flight Time and Distance: FAQ

How long is the flight from Boston to London?

The average flight time from Boston to London is around 6 hours and 35 minutes.

What is Boston to London Flight Distance?

The distance from Logan International Airport to Heathrow is 3,265 miles (5,254 kilometers) or 2,837 nautical miles.

When are flight tickets from Boston to London the cheapest?

Tickets are the cheapest if you purchase them with at least 2-3 months in advance. Also, February, March, and September to November are the months with the cheapest flights.

What time does the earliest flight from Boston to London depart?

The earliest flight departs at around 7 AM. Most flights from Boston to London leave in the afternoon or evening.

What is the time difference between Boston to London?

Boston is 5 hours behind London. So, for example, if the time in Boston if 11 AM, the time in London is 4 PM.

How many flights are flown from Boston Airport to Heathrow each day?

Depending on the day of the week, the number of flights varies between 6 and 10.

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