Which airline has the best punctuality record on London to Boston flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

As of November 2025, 152 flights take off from London Heathrow Airport and land in Boston each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

How often are flights from London to Boston delayed?

Historically, on average around 8% 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.

What is the most punctual flight time for London to Boston flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

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

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

As of November 2025, 21 flights take off from London Heathrow Airport and land in Boston each day. The most common flight departure time for this route is 09:00, with 41% of daily flights taking off in the afternoon.

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

Prices for flights from London Heathrow Airport to Boston Logan Intl Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport 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.

€384 Cheap Flights from London Heathrow Airport to Boston in 2025/26

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12:15 - 17:50LHR-BOS

10h 35m1 stop

19:50 - 10:50BOS-LHR

10h 00m1 stop

€423Icelandair

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Mon, 12 Jan - Mon, 19 Jan

20:50 - 20:55LHR-BOS

29h 05m1 stop

22:40 - 09:10BOS-LHR

29h 30m1 stop

€431LEVEL

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Fri, 13 Feb - Sat, 21 Feb

19:50 - 15:50LHR-BOS

25h 00m2 stops

17:35 - 16:00BOS-LHR

17h 25m1 stop

€436Scandinavian Airlines

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Thu, 22 Jan - Fri, 30 Jan

19:50 - 15:50LHR-BOS

25h 00m2 stops

17:35 - 14:35BOS-LHR

16h 00m2 stops

€440Scandinavian Airlines

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Thu, 22 Jan - Fri, 30 Jan

12:15 - 17:50LHR-BOS

10h 35m1 stop

11:35 - 10:50BOS-LHR

18h 15m1 stop

€446Icelandair

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Sat, 6 Dec - Sat, 13 Dec

12:15 - 17:50LHR-BOS

10h 35m1 stop

19:50 - 10:50BOS-LHR

10h 00m1 stop

€447Icelandair

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Sun, 18 Jan - Fri, 30 Jan

20:35 - 17:50LHR-BOS

26h 15m1 stop

19:50 - 10:50BOS-LHR

10h 00m1 stop

€449Icelandair

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Fri, 5 Dec - Tue, 9 Dec

06:30 - 13:55LHR-BOS

12h 25m1 stop

19:15 - 07:00BOS-LHR

6h 45mdirect

€450British Airways

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Mon, 12 Jan - Mon, 19 Jan

12:15 - 17:50LHR-BOS

10h 35m1 stop

19:50 - 10:50BOS-LHR

10h 00m1 stop

€451Icelandair

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Wed, 14 Jan - Thu, 29 Jan

07:05 - 15:50LHR-BOS

13h 45m2 stops

17:35 - 16:25BOS-LHR

17h 50m2 stops

€452Scandinavian Airlines

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Tue, 13 Jan - Tue, 20 Jan

Scandinavian Airlines flights from London Heathrow Airport to Boston

Our best Scandinavian Airlines deals on London Heathrow Airport to Boston flight tickets

Scandinavian Airlines

22 Jan

LHR19:50London Heathrow

25h 00m

2 stops

BOS15:50Boston Logan Intl

30 Jan

BOS17:35Boston Logan Intl

17h 25m

1 stop

LHR16:00London Heathrow

€436

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Scandinavian Airlines

22 Jan

LHR19:50London Heathrow

25h 00m

2 stops

BOS15:50Boston Logan Intl

30 Jan

BOS17:35Boston Logan Intl

16h 00m

2 stops

LHR14:35London Heathrow

€440

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Scandinavian Airlines

13 Jan

LHR07:05London Heathrow

13h 45m

2 stops

BOS15:50Boston Logan Intl

20 Jan

BOS17:35Boston Logan Intl

17h 50m

2 stops

LHR16:25London Heathrow

€452

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British Airways flights from London Heathrow Airport to Boston

Our best British Airways deals on London Heathrow Airport to Boston flight tickets

British Airways

12 Jan

LHR06:30London Heathrow

12h 25m

1 stop

BOS13:55Boston Logan Intl

19 Jan

BOS19:15Boston Logan Intl

6h 45m

LHR07:00London Heathrow

€450

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British Airways

12 Jan

LHR06:30London Heathrow

12h 25m

1 stop

BOS13:55Boston Logan Intl

19 Jan

BOS21:15Boston Logan Intl

9h 10m

1 stop

LHR11:25London Heathrow

€467

Find similar

British Airways

12 Jan

LHR19:10London Heathrow

7h 45m

BOS21:55Boston Logan Intl

19 Jan

BOS07:30Boston Logan Intl

6h 30m

LHR19:00London Heathrow

€469

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momondo Fare Finder

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LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 12/1

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Mon 19/1

19:50-10:50

1 stop10h 00m

€423

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 13/2

20:50-20:55

1 stop29h 05m

Boston Logan Intl

Sat 21/2

22:40-09:10

1 stop29h 30m

€431

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 22/1

19:50-15:50

2 stops25h 00m

Boston Logan Intl

Fri 30/1

17:35-16:00

1 stop17h 25m

€436

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 22/1

19:50-15:50

2 stops25h 00m

Boston Logan Intl

Fri 30/1

17:35-14:35

2 stops16h 00m

€440

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 6/12

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Sat 13/12

11:35-10:50

1 stop18h 15m

€446

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 18/1

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Fri 30/1

19:50-10:50

1 stop10h 00m

€447

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 5/12

20:35-17:50

1 stop26h 15m

Boston Logan Intl

Tue 9/12

19:50-10:50

1 stop10h 00m

€449

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 12/1

06:30-13:55

1 stop12h 25m

Boston Logan Intl

Mon 19/1

19:15-07:00

Nonstop6h 45m

€450

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 14/1

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Thu 29/1

19:50-10:50

1 stop10h 00m

€451

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 13/1

07:05-15:50

2 stops13h 45m

Boston Logan Intl

Tue 20/1

17:35-16:25

2 stops17h 50m

€452

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How to get the cheapest flight ticket from London Heathrow Airport 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

Delays

Other information

What is the cheapest month to fly to Boston?

The month of February is, on average, the cheapest month to fly to Boston from London Heathrow Airport, with most prices found around €466. The month of September is another great option to travel to Boston, with average flight prices from London Heathrow Airport averaging around €470.

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

The cheapest day to depart from London Heathrow Airport to Boston is on a Tuesday when prices can be found for as low as €666. Flights from London Heathrow Airport to Boston on a Monday will generally be more expensive and average around €1,073. 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 Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as €601 when looking at flights departing in the morning. Flights in the evening are often more expensive, with an average ticket price of €1,073.

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

Fly from London Heathrow to Boston Logan Intl for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around €539 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 Heathrow Airport for as low as €511 on momondo.

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

There are 2 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Boston flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Boston.

How have London Heathrow Airport to Boston flight prices changed over time?

As of November 2025, prices for London Heathrow Airport to Boston flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Boston

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

Estimated return price

Cheap London Heathrow Airport to Boston (LHR to BOS) flight deals and tips

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

Fastest flight time	7h 50m
Direct flights	Every day
Airports in Boston	1 airport

The fastest flight from London Heathrow Airport to Boston takes 7h 50m

Direct flights go from London Heathrow Airport to Boston every day.

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

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How far is London Heathrow to Boston Logan Intl by plane?
The straight-line distance from London Heathrow to Boston Logan Intl is 5240.1 km. By plane, this route typically takes 7h 25m.
When did momondo last update prices for flights from London Heathrow Airport to Boston Logan Intl Airport?
Prices for flights from London Heathrow Airport to Boston Logan Intl Airport are updated daily.
How old do you have to be to fly from London Heathrow Airport to Boston Logan Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport 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 Heathrow Airport to Boston?
Based on momondo bookings for flights between London Heathrow Airport and Boston, the leading plane model is Boeing 777-200/200ER, making up 26.24% of the total bookings. Other popular models include Airbus A330-900neo with 18.49%, Boeing 777 with 16.87%, and Boeing 787-9 Dreamliner with 9.73%.

Everett

Brookline

Quincy

Cambridge

Medford

Warwick

Woburn

Why use momondo?

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

It is quick and easy to find London to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits 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 you have performed a search for London to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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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 Heathrow Airport to Boston from €384

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 Heathrow Airport to Boston departing on 23/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from London Heathrow Airport to Boston

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Our best British Airways deals on London Heathrow Airport to Boston flight tickets

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

See travel insights to Boston from

How to get the cheapest flight ticket from London Heathrow Airport 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 month of February is, on average, the cheapest month to fly to Boston from London Heathrow Airport, with most prices found around €466. The month of September is another great option to travel to Boston, with average flight prices from London Heathrow Airport averaging around €470.

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 Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as €601 when looking at flights departing in the morning. Flights in the evening are often more expensive, with an average ticket price of €1,073.

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

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

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

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

There are 2 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Boston flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Boston.

How have London Heathrow Airport to Boston flight prices changed over time?

As of November 2025, prices for London Heathrow Airport to Boston flights are approximately 12% more expensive when compared to flights at the same time last year.

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

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

How often are flights from London to Boston delayed?

Historically, on average around 8% 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.

What is the most punctual flight time for London to Boston flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Boston flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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

As of November 2025, 21 flights take off from London Heathrow Airport and land in Boston each day. The most common flight departure time for this route is 09:00, with 41% of daily flights taking off in the afternoon.

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

As of November 2025, 152 flights take off from London Heathrow Airport and land in Boston each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

When to book flights from London Heathrow Airport to Boston

Cheap London Heathrow Airport to Boston (LHR to BOS) flight deals and tips

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

Fastest flight time

Direct flights

Airports in Boston

How far is London Heathrow to Boston Logan Intl by plane?

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

How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport 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