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

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

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

As of January 2026, 217 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 15% of weekly flights taking off on this day.

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

As of January 2026, 31 flights take off from London Heathrow Airport and land in Boston each day. The most common flight departure time for this route is 13:00, with 39% of daily flights taking off at midday.

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

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

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

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

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

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

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 154 minutes.

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.

€337 Cheap Flights from London Heathrow Airport to Boston in 2026

1 adult

0 bags

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to Boston

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

09:00 - 17:50

LHR

BOS

13h 50m

1 stop

18:25 - 10:25

BOS

LHR

11h 00m

1 stop

€416United Airlines

Sat, 21 Feb - Sat, 28 Feb

09:00 - 17:50

LHR

BOS

13h 50m

1 stop

14:20 - 09:10

BOS

LHR

13h 50m

2 stops

€417United Airlines

Fri, 20 Feb - Sat, 28 Feb

06:30 - 14:10

LHR

BOS

11h 40m

1 stop

18:40 - 21:00

BOS

LHR

21h 20m

1 stop

€418United Airlines

Fri, 13 Mar - Tue, 14 Apr

09:00 - 17:50

LHR

BOS

13h 50m

1 stop

12:05 - 07:10

BOS

LHR

14h 05m

2 stops

€419United Airlines

Fri, 20 Feb - Mon, 23 Feb

13:30 - 16:15

LHR

BOS

7h 45mdirect

06:00 - 20:00

BOS

LHR

9h 00m

1 stop

€420British Airways

Mon, 23 Feb - Wed, 4 Mar

13:25 - 09:32

LHR

BOS

25h 07m

1 stop

18:40 - 20:35

BOS

LHR

20h 55m

1 stop

€421United Airlines

Mon, 2 Feb - Mon, 9 Feb

08:50 - 13:55

LHR

BOS

10h 05m

1 stop

18:55 - 06:30

BOS

LHR

6h 35mdirect

€422British Airways

Mon, 2 Feb - Mon, 9 Feb

08:50 - 13:55

LHR

BOS

10h 05m

1 stop

18:55 - 06:30

BOS

LHR

6h 35mdirect

€422British Airways

Mon, 2 Feb - Mon, 9 Feb

07:30 - 14:10

LHR

BOS

10h 40m

1 stop

17:25 - 07:45

BOS

LHR

10h 20m

1 stop

€423United Airlines

Fri, 20 Mar - Tue, 24 Mar

07:30 - 18:41

LHR

BOS

15h 11m

2 stops

21:40 - 14:45

BOS

LHR

13h 05m

2 stops

€425United Airlines

Sun, 8 Mar - Sun, 15 Mar

Finnair flights from London Heathrow Airport to Boston

Our best Finnair deals on London Heathrow Airport to Boston flight tickets

Finnair

2 Feb

LHR13:30London Heathrow

7h 45m

BOS16:15Boston Logan Intl

9 Feb

BOS19:34Boston Logan Intl

9h 06m

1 stop

LHR09:40London Heathrow

€437

Finnair

26 Apr

LHR18:10London Heathrow

34h 42m

2 stops

BOS23:52Boston Logan Intl

6 May

BOS20:15Boston Logan Intl

6h 45m

LHR08:00London Heathrow

€461

Finnair

26 Apr

LHR16:10London Heathrow

36h 42m

2 stops

BOS23:52Boston Logan Intl

4 May

BOS20:15Boston Logan Intl

6h 45m

LHR08:00London Heathrow

€462

Delta flights from London Heathrow Airport to Boston

Our best Delta deals on London Heathrow Airport to Boston flight tickets

Delta

20 Feb

LHR06:30London Heathrow

11h 55m

1 stop

BOS13:25Boston Logan Intl

1 Mar

BOS20:00Boston Logan Intl

6h 50m

LHR07:50London Heathrow

€448

Delta

29 Jan

LHR06:30London Heathrow

12h 00m

1 stop

BOS13:30Boston Logan Intl

3 Feb

BOS19:15Boston Logan Intl

6h 35m

LHR06:50London Heathrow

€482

Delta

31 Jan

LHR06:30London Heathrow

12h 00m

1 stop

BOS13:30Boston Logan Intl

28 Feb

BOS20:00Boston Logan Intl

6h 50m

LHR07:50London Heathrow

€484

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 21/2

09:00-17:50

1 stop13h 50m

Boston Logan Intl

Sat 28/2

18:25-10:25

1 stop11h 00m

€416

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 20/2

09:00-17:50

1 stop13h 50m

Boston Logan Intl

Sat 28/2

14:20-09:10

2 stops13h 50m

€416

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 13/3

06:30-14:10

1 stop11h 40m

Boston Logan Intl

Tue 14/4

18:40-21:00

1 stop21h 20m

€418

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 20/2

09:00-17:50

1 stop13h 50m

Boston Logan Intl

Mon 23/2

12:05-07:10

2 stops14h 05m

€419

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 23/2

13:30-16:15

Nonstop7h 45m

Boston Logan Intl

Wed 4/3

06:00-20:00

1 stop9h 00m

€420

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/2

13:25-09:32

1 stop25h 07m

Boston Logan Intl

Mon 9/2

18:40-20:35

1 stop20h 55m

€421

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/2

08:50-13:55

1 stop10h 05m

Boston Logan Intl

Mon 9/2

18:55-06:30

Nonstop6h 35m

€422

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/2

08:50-13:55

1 stop10h 05m

Boston Logan Intl

Mon 9/2

18:55-06:30

Nonstop6h 35m

€422

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 20/3

07:30-14:10

1 stop10h 40m

Boston Logan Intl

Tue 24/3

17:25-07:45

1 stop10h 20m

€423

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 8/3

07:30-18:41

2 stops15h 11m

Boston Logan Intl

Sun 15/3

21:40-14:45

2 stops13h 05m

€425

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 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 September is, on average, the cheapest month to fly to Boston from London Heathrow Airport, with most prices found around €457. The month of February is another great option to travel to Boston, with average flight prices from London Heathrow Airport averaging around €462.

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 Saturday when prices can be found for as low as €703. Flights from London Heathrow Airport to Boston on a Monday will generally be more expensive and average around €1,152. 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 €588 when looking at flights departing in the morning. Flights in the evening are often more expensive, with an average ticket price of €1,051.

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 €533 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 €480 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?

You could potentially save up to 63% on your flight if you consider stops on a London Heathrow Airport to Boston flight.

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

As of January 2026, prices for London Heathrow Airport to Boston flights are approximately 5% cheaper 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

Best price found	€477
Fastest flight time	10h 35m
Direct flights	Every day
Airports in Boston	1 airport

The best flight deal from London Heathrow Airport to Boston found on momondo in the last 72 hours is €477

The fastest flight from London Heathrow Airport to Boston takes 10h 35m

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

There is 1 airport in Boston. From London Heathrow Airport there are direct flights to Boston Logan Intl (BOS).

Search flight deals

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 10h 35m.
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 27.73% of the total bookings. Other popular models include Boeing 777 with 19.99%, Airbus A330-900neo with 15.61%, and Boeing 787-9 Dreamliner with 11.70%.

Cambridge

Everett

Quincy

Brookline

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 22/2

Sun 1/3

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Massachusetts

Cape Cod and the Islands Airport

Popular Cities in the United States

Flights to New Yorkfrom €280

Flights to Orlandofrom €371

Flights to Chicagofrom €371

Flights to Miamifrom €372

Flights to Los Angelesfrom €386

Flights to San Franciscofrom €366

Flights to Las Vegasfrom €391

Flights to Anchoragefrom €681

Flights to Washington, D.C.from €340

Flights to Dallasfrom €482

Flights to Denverfrom €326

Flights to Houstonfrom €496

Cheap flights from London Heathrow Airport to Boston from €337

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 15/4. 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

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Boston

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Finnair flights from London Heathrow Airport to Boston

Our best Finnair deals on London Heathrow Airport to Boston flight tickets

Delta flights from London Heathrow Airport to Boston

Our best Delta deals on London Heathrow Airport to Boston flight tickets

momondo Fare Finder

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

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 Heathrow Airport, with most prices found around €457. The month of February is another great option to travel to Boston, with average flight prices from London Heathrow Airport averaging around €462.

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 €588 when looking at flights departing in the morning. Flights in the evening are often more expensive, with an average ticket price of €1,051.

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?

You could potentially save up to 63% on your flight if you consider stops on a London Heathrow Airport to Boston flight.

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

As of January 2026, prices for London Heathrow Airport to Boston flights are approximately 5% cheaper 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, British Airways, and United Airlines 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 154 minutes.

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

Generally, flights departing in the evening 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?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

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

As of January 2026, 31 flights take off from London Heathrow Airport and land in Boston each day. The most common flight departure time for this route is 13:00, with 39% of daily flights taking off at midday.

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

As of January 2026, 217 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 15% 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

Best price found

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