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

Iberia, LEVEL, and Lufthansa are the most popular carriers operating from London Heathrow to Boston Logan Intl

What airlines fly to Boston?

British Airways, Delta and American Airlines are the top three most popular airlines that fly to Boston from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 9 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

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

Wednesday is statistically the day of the week which experiences the fewest number of 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, Air Canada have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

Which layover airport offers the lowest fares from London Heathrow Airport to Boston?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $478.

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

As of October 2025, there are 119 flights per week flying from London Heathrow Airport to Boston. The most common day of the week flights depart is Wed, with 27% of flights taking off on this day.

How often are flights from London to Boston delayed?

Historically, on average around 9% 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 151 minutes.

Which layover airport has the shortest travel time from London Heathrow Airport to Boston?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 55m.

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

17 flights are operational daily from London Heathrow Airport to Boston as of October 2025. The most popular departure time for this route is 9:00AM, with 39% of flights per day taking off in the afternoon.

Which airport is the most popular layover for flights between London Heathrow Airport and Boston?

Shannon (SNN) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from London Heathrow Airport to Boston?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 46m.

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

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

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 many operators does momondo search for flights from London Heathrow Airport to Boston Logan Intl Airport?

As of October 2025, there are 9 operators available to choose from 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?

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 Heathrow Airport to Boston Logan Intl Airport.

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

The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$402 Cheap Flights from London Heathrow Airport to Boston in 2025/26

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8:15 am - 8:10 pmLHR-BOS

16h 55m1 stop

10:45 pm - 5:30 pmBOS-LHR

13h 45m1 stop

$448TAP AIR PORTUGAL

Find Deal

Thu, Nov 20 - Sun, Nov 30

12:25 pm - 8:10 pmLHR-BOS

12h 45m1 stop

6:05 pm - 12:40 pmBOS-LHR

13h 35m1 stop

$449TAP AIR PORTUGAL

Find Deal

Fri, Dec 5 - Mon, Dec 8

8:00 am - 8:45 pmLHR-BOS

17h 45m1 stop

10:45 pm - 6:50 pmBOS-LHR

15h 05m1 stop

$451TAP AIR PORTUGAL

Find Deal

Wed, Apr 1 - Thu, Apr 9

7:55 pm - 2:35 pmLHR-BOS

23h 40m1 stop

10:45 pm - 5:30 pmBOS-LHR

13h 45m1 stop

$452TAP AIR PORTUGAL

Find Deal

Thu, Dec 4 - Sun, Dec 7

8:00 am - 8:05 pmLHR-BOS

17h 05m1 stop

10:45 pm - 3:35 pmBOS-LHR

11h 50m1 stop

$453TAP AIR PORTUGAL

Find Deal

Tue, Mar 31 - Wed, Apr 8

12:15 pm - 5:50 pmLHR-BOS

10h 35m1 stop

7:50 pm - 7:30 pmBOS-LHR

18h 40m1 stop

$477Icelandair

Find Deal

Mon, Dec 8 - Mon, Dec 15

12:15 pm - 10:35 amLHR-BOS

27h 20m1 stop

7:50 pm - 7:30 pmBOS-LHR

18h 40m1 stop

$480Icelandair

Find Deal

Fri, Nov 14 - Wed, Nov 19

9:55 am - 8:55 pmLHR-BOS

16h 00m1 stop

10:40 pm - 9:10 amBOS-LHR

29h 30m1 stop

$506LEVEL

Find Deal

Tue, Jan 27 - Tue, Feb 3

6:40 am - 3:50 pmLHR-BOS

14h 10m2 stops

5:35 pm - 2:35 pmBOS-LHR

16h 00m2 stops

$509Scandinavian Airlines

Find Deal

Thu, Jan 29 - Tue, Feb 3

6:40 am - 3:50 pmLHR-BOS

14h 10m2 stops

5:35 pm - 2:35 pmBOS-LHR

16h 00m2 stops

$510Scandinavian Airlines

Find Deal

Thu, Jan 29 - Tue, Feb 3

Icelandair flights from London Heathrow Airport to Boston

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

Icelandair

Dec 8

LHR12:15 pmLondon Heathrow

10h 35m

1 stop

BOS5:50 pmBoston Logan Intl

Dec 15

BOS7:50 pmBoston Logan Intl

18h 40m

1 stop

LHR7:30 pmLondon Heathrow

$477

Find similar

Icelandair

Nov 14

LHR12:15 pmLondon Heathrow

27h 20m

1 stop

BOS10:35 amBoston Logan Intl

Nov 19

BOS7:50 pmBoston Logan Intl

18h 40m

1 stop

LHR7:30 pmLondon Heathrow

$480

Find similar

Icelandair

Nov 12

LHR12:15 pmLondon Heathrow

27h 20m

1 stop

BOS10:35 amBoston Logan Intl

Nov 20

BOS11:35 amBoston Logan Intl

26h 55m

1 stop

LHR7:30 pmLondon Heathrow

$481

Find similar

Scandinavian Airlines flights from London Heathrow Airport to Boston

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

Scandinavian Airlines

Jan 29

LHR6:40 amLondon Heathrow

14h 10m

2 stops

BOS3:50 pmBoston Logan Intl

Feb 3

BOS5:35 pmBoston Logan Intl

16h 00m

2 stops

LHR2:35 pmLondon Heathrow

$509

Find similar

Scandinavian Airlines

Jan 29

LHR6:40 amLondon Heathrow

14h 10m

2 stops

BOS3:50 pmBoston Logan Intl

Feb 3

BOS5:35 pmBoston Logan Intl

16h 00m

2 stops

LHR2:35 pmLondon Heathrow

$510

Find similar

Scandinavian Airlines

Jan 11

LHR5:00 pmLondon Heathrow

27h 50m

1 stop

BOS3:50 pmBoston Logan Intl

Jan 18

BOS5:35 pmBoston Logan Intl

17h 25m

1 stop

LHR4:00 pmLondon Heathrow

$512

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momondo Fare Finder

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

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Route

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Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 11/20

8:15 am-8:10 pm

1 stop16h 55m

Boston Logan Intl

Sun 11/30

10:45 pm-5:30 pm

1 stop13h 45m

$448

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 12/5

12:25 pm-8:10 pm

1 stop12h 45m

Boston Logan Intl

Mon 12/8

6:05 pm-12:40 pm

1 stop13h 35m

$449

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 4/1

8:00 am-8:45 pm

1 stop17h 45m

Boston Logan Intl

Thu 4/9

10:45 pm-6:50 pm

1 stop15h 05m

$451

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 12/4

7:55 pm-2:35 pm

1 stop23h 40m

Boston Logan Intl

Sun 12/7

10:45 pm-5:30 pm

1 stop13h 45m

$452

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 3/31

8:00 am-8:05 pm

1 stop17h 05m

Boston Logan Intl

Wed 4/8

10:45 pm-3:35 pm

1 stop11h 50m

$453

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 12/8

12:15 pm-5:50 pm

1 stop10h 35m

Boston Logan Intl

Mon 12/15

7:50 pm-7:30 pm

1 stop18h 40m

$477

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 11/14

12:15 pm-10:35 am

1 stop27h 20m

Boston Logan Intl

Wed 11/19

7:50 pm-7:30 pm

1 stop18h 40m

$480

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 1/27

9:55 am-8:55 pm

1 stop16h 00m

Boston Logan Intl

Tue 2/3

10:40 pm-9:10 am

1 stop29h 30m

$506

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/29

6:40 am-3:50 pm

2 stops14h 10m

Boston Logan Intl

Tue 2/3

5:35 pm-2:35 pm

2 stops16h 00m

$509

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/29

6:40 am-3:50 pm

2 stops14h 10m

Boston Logan Intl

Tue 2/3

5:35 pm-2:35 pm

2 stops16h 00m

$510

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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

Layovers

Other information

What is the cheapest month to fly to Boston?

In general, February is the cheapest month to fly from London Heathrow Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $537. If you aren’t able to travel during the month of February, then book flights to Boston from London Heathrow Airport during September instead. Flights to Boston in September, while not as cheap as those in February, still average around $544.

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 Wednesday when prices can be found for as low as $685. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $795.

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

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Boston in the afternoon for as low as $713. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Boston, so prices are often more expensive at around $754 per ticket.

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 $621 when searching weeks out. 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 $573 on momondo.

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

There are 4 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.

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

As of October 2025, prices for London Heathrow Airport to Boston flights are approximately 11% 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 round-trip 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	$523
Fastest flight time	7h 25m
Direct flights	Every day
Airports in Boston	1 airport

The best one-way flight to Boston from London Heathrow Airport in the past 72 hours is $523. The best round-trip flight deal from London Heathrow Airport to Boston found on momondo in the last 72 hours is $600.

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

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

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

Search flight deals

How far is London Heathrow to Boston Logan Intl by plane?
Boston Logan Intl is 3256.0 mi away from London Heathrow. Flights usually cover this in 10h 35m, depending on flying conditions and air traffic around both airports.
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 many operators does momondo search for flights from London Heathrow Airport to Boston Logan Intl Airport?
As of October 2025, there are 9 operators available to choose from 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?
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 Heathrow Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to Boston?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Boston is Boeing 777-200/200ER, representing 25.71% of all bookings. The subsequent popular models are Airbus A330-900neo at 18.64%, Boeing 777 at 16.47%, and Boeing 787-9 Dreamliner at 10.03%.
What is the most popular airline from London Heathrow Airport to Boston?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Boston is British Airways, representing 47% of all bookings. The subsequent popular airlines are Delta at 15%, American Airlines at 8%, and JetBlue at 7%.

Best airlines flying from London Heathrow Airport to Boston

Compare and see reviews for airlines that fly from London Heathrow Airport to Boston with momondo

Airline	Rating	Free Cancellation	Price
Finnair	PriceFrom $404	Free Cancellation	Rating 7.6 1,333 reviews	Search Finnair flights
Aer Lingus	PriceFrom $412	Free Cancellation	Rating 7.2 1,361 reviews	Search Aer Lingus flights
Icelandair	PriceFrom $445	Free Cancellation	Rating 7.1 562 reviews	Search Icelandair flights
British Airways	PriceFrom $481	Free Cancellation	Rating 6.7 7,487 reviews	Search British Airways flights
Delta	PriceFrom $481	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
JetBlue	PriceFrom $483	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
American Airlines	PriceFrom $486	Free Cancellation	Rating 7.2 11,033 reviews	Search American Airlines flights
Iberia	PriceFrom $545	Free Cancellation	Rating 7.0 3,001 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom $551	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights

Delta Flights From London Heathrow Airport to Boston
Delta flies from London Heathrow Airport to Boston around 8 times per week, with 7,993 momondo users rating the airline 7.9/10. The cheapest Delta deal from London Heathrow Airport to Boston in the last 72 hours was $481 (round-trip), much lower than the average airfare cost of $743 for Delta flights on this route.
Finnair Flights From London Heathrow Airport to Boston
Finnair (7.6/10 from 1,333 reviews) operates around 14 flights from London Heathrow Airport to Boston in any given week. The average Finnair airfare for this route is around $726, with deals from around $404 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Boston flight searches in the last 72 hours.

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Old Orchard Beach

Hampton

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Plymouth

Kennebunkport

Cambridge

South Yarmouth

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Nashua

Gloucester

Falmouth

Laconia

Brockton

Concord

Everett

Sturbridge

Warwick

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?

Yes. momondo enables you to select and highlight flights to Boston from London with this policy.

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

momondo helps you find the best flight between London and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Boston from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from London Heathrow Airport to Boston from $402

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 12/8. 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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Icelandair flights from London Heathrow Airport to Boston

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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?

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?

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 4 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.

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

As of October 2025, prices for London Heathrow Airport to Boston flights are approximately 11% 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?

Iberia, LEVEL, and Lufthansa are the most popular carriers operating from London Heathrow to Boston Logan Intl

What airlines fly to Boston?

How often are flights from London to Boston delayed?

Historically, on average around 9% 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 151 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights 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 which experiences the fewest number of 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, Air Canada have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

Which airport is the most popular layover for flights between London Heathrow Airport and Boston?

Shannon (SNN) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from London Heathrow Airport to Boston?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $478.

Which layover airport has the shortest travel time from London Heathrow Airport to Boston?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 55m.

Which layover airport has the shortest connection time from London Heathrow Airport to Boston?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 46m.

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

17 flights are operational daily from London Heathrow Airport to Boston as of October 2025. The most popular departure time for this route is 9:00AM, with 39% of flights per day taking off in the afternoon.

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

As of October 2025, there are 119 flights per week flying from London Heathrow Airport to Boston. The most common day of the week flights depart is Wed, with 27% of 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 many operators does momondo search 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?

What is the most popular airline from London Heathrow Airport to Boston?

Best airlines flying from London Heathrow Airport to Boston

Compare and see reviews for airlines that fly from London Heathrow Airport to Boston with momondo

Delta Flights From London Heathrow Airport to Boston

Finnair Flights From London Heathrow Airport to Boston

Traveling 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?