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Cheap flights from London to Boston from C$ 862

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Find the cheapest flights from London to Boston

Cheap round-trip flights

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LON-BOS
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BOS-LON
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How to get the cheapest flight ticket from London to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boston?

The cheapest month to fly to Boston from London is in September. Flight prices, which tend to average around C$ 720, are often lower during this time because this is during the off-season. If you are unable to visit Boston during the month of September, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around C$ 728.

What is the cheapest day to depart on your flight to Boston?

On average, the least expensive day to fly to Boston from London is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 1,350. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from London to Boston on a Friday will generally be more expensive and average around C$ 2,168. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest London to Boston Logan Intl flight route?

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

How far in advance should I book a flight to Boston?

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 C$ 864 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from London for as low as C$ 782 on momondo.

What cabin class options are available on London to Boston Logan Intl flights?

There are 1 cabin classes available to choose from on London to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Boston flights?

You could potentially save up to 64% on your flight if you consider stops on a London to Boston flight.

How have London to Boston flight prices changed over time?

As of July 2025, prices for London to Boston flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from London to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from London to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Boston (LON to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Boston

Direct flights

None
There are no direct flights from London to Boston. There are no popular flight routes from London to Boston.
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  • How far is London to Boston Logan Intl by plane?

    The distance between London and Boston Logan Intl is about 5260.9 km.

  • When did momondo last update prices for flights from London to Boston Logan Intl Airport?

    Prices for flights from London to Boston Logan Intl Airport were last updated today.

  • How old do you have to be to fly from London to Boston Logan Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Boston?

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Old Orchard Beach
Ogunquit
Salem
Wells
Kennebunkport
Everett
Kennebunk
Sturbridge
Cambridge
Exeter
West Yarmouth
Needham
Burlington
Newton
Scarborough
Hampton
Danvers
Westbrook
Foxborough

Why use momondo?

Why should I use momondo to find a flight deal from London to Boston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Boston. momondo saves you time and could save you money on your trip.

Can I find flights from London to Boston with flexible booking policies on momondo?

Flights from London to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Boston?

Once all potential London to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Boston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Boston from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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