What is the cheapest airline that flies from London to Boston Logan Intl?

JetBlue, United Airlines, and LEVEL are the most popular carriers operating from London to Boston Logan Intl

How many flights depart from London to Boston on average per day?

The number of flights available between London and Boston is 25 per day as of November 2025. The most frequent departure time is 09:00, with 40% of daily flights leaving in the afternoon.

How many flights depart from London to Boston on average per week?

The number of flights available between London and Boston is 181 per week as of November 2025. The most frequent departure day is Sun, with 20% of weekly flights leaving on this day.

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?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Boston Logan Intl Airport.

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

The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

€306 Cheap Flights from London to Boston in 2025/26

Q: What is the typical price of a round-trip flight between London and Boston?

Prices are currently low for flights on this route. Typical prices usually range from €429 to €590. The lowest price recently found on this route was €403.

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06:00 - 14:35LHR-BOS

13h 35m1 stop

22:25 - 15:30BOS-LHR

12h 05m1 stop

€403TAP AIR PORTUGAL

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Sat, 6 Dec - Sat, 31 Jan

12:25 - 20:10LHR-BOS

12h 45m1 stop

22:25 - 17:30BOS-LHR

14h 05m1 stop

€404TAP AIR PORTUGAL

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Sat, 6 Dec - Sat, 31 Jan

06:45 - 20:55LGW-BOS

19h 10m1 stop

22:40 - 23:20BOS-LGW

19h 40m1 stop

€433LEVEL

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Sat, 7 Feb - Mon, 16 Feb

07:00 - 20:55LGW-BOS

18h 55m1 stop

22:40 - 22:00BOS-LGW

18h 20m1 stop

€434LEVEL

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Thu, 29 Jan - Thu, 5 Feb

11:55 - 17:50LGW-BOS

10h 55m1 stop

19:50 - 10:55BOS-LGW

10h 05m1 stop

€445Icelandair

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Sat, 22 Nov - Mon, 1 Dec

11:55 - 10:35LGW-BOS

27h 40m1 stop

19:50 - 10:55BOS-LGW

10h 05m1 stop

€446Icelandair

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Fri, 21 Nov - Sun, 7 Dec

19:30 - 15:50LHR-BOS

25h 20m1 stop

17:35 - 14:35BOS-LHR

16h 00m2 stops

€453Scandinavian Airlines

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Sun, 1 Feb - Sun, 8 Feb

19:50 - 15:50LHR-BOS

25h 00m2 stops

17:35 - 16:25BOS-LHR

17h 50m2 stops

€455Scandinavian Airlines

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Thu, 29 Jan - Tue, 3 Feb

07:40 - 18:35LHR-BOS

15h 55m1 stop

14:15 - 06:40BOS-LHR

11h 25m1 stop

€469United Airlines

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Mon, 8 Dec - Mon, 15 Dec

07:40 - 18:35LHR-BOS

15h 55m1 stop

15:40 - 07:10BOS-LHR

10h 30m1 stop

€470United Airlines

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Mon, 8 Dec - Mon, 15 Dec

TAP AIR PORTUGAL flights from London to Boston

Our best TAP AIR PORTUGAL deals on London to Boston flight tickets

TAP AIR PORTUGAL

6 Dec

LHR06:00London Heathrow

13h 35m

1 stop

BOS14:35Boston Logan Intl

31 Jan

BOS22:25Boston Logan Intl

12h 05m

1 stop

LHR15:30London Heathrow

€403

Find similar

TAP AIR PORTUGAL

6 Dec

LHR12:25London Heathrow

12h 45m

1 stop

BOS20:10Boston Logan Intl

31 Jan

BOS22:25Boston Logan Intl

14h 05m

1 stop

LHR17:30London Heathrow

€404

Find similar

TAP AIR PORTUGAL

29 Jan

LGW10:10London Gatwick

15h 00m

2 stops

BOS20:10Boston Logan Intl

4 Feb

BOS18:05Boston Logan Intl

34h 55m

2 stops

LGW10:00London Gatwick

€455

Find similar

LEVEL flights from London to Boston

Our best LEVEL deals on London to Boston flight tickets

LEVEL

7 Feb

LGW06:45London Gatwick

19h 10m

1 stop

BOS20:55Boston Logan Intl

16 Feb

BOS22:40Boston Logan Intl

19h 40m

1 stop

LGW23:20London Gatwick

€433

Find similar

LEVEL

29 Jan

LGW07:00London Gatwick

18h 55m

1 stop

BOS20:55Boston Logan Intl

5 Feb

BOS22:40Boston Logan Intl

18h 20m

1 stop

LGW22:00London Gatwick

€434

Find similar

LEVEL

29 Jan

LHR09:55London Heathrow

16h 00m

1 stop

BOS20:55Boston Logan Intl

5 Feb

BOS22:40Boston Logan Intl

29h 30m

1 stop

LHR09:10London Heathrow

€438

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Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 6/12

06:00-14:35

1 stop13h 35m

Boston Logan Intl

Sat 31/1

22:25-15:30

1 stop12h 05m

€403

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 6/12

12:25-20:10

1 stop12h 45m

Boston Logan Intl

Sat 31/1

22:25-17:30

1 stop14h 05m

€404

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sat 7/2

06:45-20:55

1 stop19h 10m

Boston Logan Intl

Mon 16/2

22:40-23:20

1 stop19h 40m

€433

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 29/1

07:00-20:55

1 stop18h 55m

Boston Logan Intl

Thu 5/2

22:40-22:00

1 stop18h 20m

€434

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sat 22/11

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Mon 1/12

19:50-10:55

1 stop10h 05m

€445

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Fri 21/11

11:55-10:35

1 stop27h 40m

Boston Logan Intl

Sun 7/12

19:50-10:55

1 stop10h 05m

€446

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 1/2

19:30-15:50

1 stop25h 20m

Boston Logan Intl

Sun 8/2

17:35-14:35

2 stops16h 00m

€453

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 29/1

19:50-15:50

2 stops25h 00m

Boston Logan Intl

Tue 3/2

17:35-16:25

2 stops17h 50m

€455

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/12

07:40-18:35

1 stop15h 55m

Boston Logan Intl

Mon 15/12

14:15-06:40

1 stop11h 25m

€469

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/12

07:40-18:35

1 stop15h 55m

Boston Logan Intl

Mon 15/12

15:40-07:10

1 stop10h 30m

€470

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between London and Boston?

What is the cheapest month to fly to Boston?

The month of September is, on average, the cheapest month to fly to Boston from London, with most prices found around €456. The month of February is another great option to travel to Boston, with average flight prices from London averaging around €461.

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

The cheapest day to depart from London to Boston is on a Tuesday when prices can be found for as low as €665. Flights from London to Boston on a Monday will generally be more expensive and average around €1,072. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Boston from London in the morning is the least expensive time of day to depart. momondo users have found prices as low as €600 when looking at flights departing in the morning. Flights in the evening are often more expensive, with an average ticket price of €1,072.

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 €538 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 €498 on momondo.

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

There are 2 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 30% 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 November 2025, prices for London to Boston flights are approximately 45% more expensive 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 return 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

Fastest flight time	7h 25m
Direct flights	Every day
Airports in Boston	1 airport

The fastest flight from London to Boston takes 7h 25m

Direct flights go from London to Boston every day.

There is 1 airport near Boston: Boston Logan Intl (BOS)

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How far is London to Boston Logan Intl by plane?
London and Boston Logan Intl are 5260.9 km apart from one another. In terms of flight time, this usually takes a little over 10h 10m.
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?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Boston?
momondo data reveals that the most frequently booked plane model on the route from London to Boston is Boeing 777-200/200ER, representing 24.53% of all bookings. The subsequent popular models are Airbus A330-900neo at 17.87%, Boeing 777 at 16.19%, and Boeing 787-9 Dreamliner at 10.01%.

Everett

Brookline

Quincy

Cambridge

Medford

Warwick

Woburn

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Boston for you.

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

momondo does allow users to show only those flights to Boston from London which offer a flexible booking policy as well as other useful filters and features.

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?

Of course. momondo tracks the price of London to Boston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Boston trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from London to Boston from €352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Boston departing on 29/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from London to Boston

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TAP AIR PORTUGAL flights from London to Boston

Our best TAP AIR PORTUGAL deals on London to Boston flight tickets

LEVEL flights from London to Boston

Our best LEVEL deals on London to Boston flight tickets

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Use the filters below to find and compare flights from London to Boston that are best for you.

See travel insights to Boston from

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 typical price of a round-trip flight between London and Boston?

What is the cheapest month to fly to Boston?

The month of September is, on average, the cheapest month to fly to Boston from London, with most prices found around €456. The month of February is another great option to travel to Boston, with average flight prices from London averaging around €461.

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

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

Flying to Boston from London in the morning is the least expensive time of day to depart. momondo users have found prices as low as €600 when looking at flights departing in the morning. Flights in the evening are often more expensive, with an average ticket price of €1,072.

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?

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

There are 2 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 30% 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 November 2025, prices for London to Boston flights are approximately 45% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from London to Boston Logan Intl?

JetBlue, United Airlines, and LEVEL are the most popular carriers operating from London to Boston Logan Intl

How many flights depart from London to Boston on average per day?

The number of flights available between London and Boston is 25 per day as of November 2025. The most frequent departure time is 09:00, with 40% of daily flights leaving in the afternoon.

How many flights depart from London to Boston on average per week?

The number of flights available between London and Boston is 181 per week as of November 2025. The most frequent departure day is Sun, with 20% of weekly flights leaving on this day.

When to book flights from London to Boston

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

Fastest flight time

Direct flights

Airports in Boston

How far is London to Boston Logan Intl by plane?

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

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

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

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

Travelling to a place near Boston?

Why use momondo?

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

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

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

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

An easier way to manage your Boston trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Massachusetts