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

Reykjavik (KEF) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

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

SWISS, Air Canada, and British Airways are the most popular carriers operating from London to Boston Logan Intl

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

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 33m.

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

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

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

Saturday is statistically the day of the week which experiences the fewest number of 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 to Boston on average per day?

As of November 2025, there are 26 flights per day flying from London to Boston. The most common time of day flights depart is 9:00AM, with 41% of flights taking off in the afternoon.

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.

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

182 flights are operational weekly from London to Boston as of November 2025. The most popular departure day for this route is Wed, with 16% of flights per week 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 155 minutes.

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

According to our data, United Airlines 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 has the shortest connection time from London to Boston?

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

What airlines fly to Boston?

British Airways, Delta and American Airlines are the top three most popular airlines that fly to Boston from London according to our data. British Airways is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 10 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

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 are updated daily.

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

As of November 2025, there are 10 operators available to choose from 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?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$336 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 $558 to $856. The lowest price recently found on this route was $481.

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12:15 pm - 10:35 amLHR-BOS

27h 20m1 stop

11:35 am - 10:50 amBOS-LHR

18h 15m1 stop

$481Icelandair

Find Deal

Sat, Dec 6 - Sun, Dec 14

2:00 pm - 2:38 pmLGW-BOS

29h 38m1 stop

12:10 pm - 10:00 amBOS-LGW

16h 50m1 stop

$481Multiple Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

7:00 am - 8:55 pmLGW-BOS

18h 55m1 stop

12:57 pm - 10:00 amBOS-LGW

16h 03m1 stop

$482Multiple Airlines

Find Deal

Thu, Dec 11 - Sun, Dec 14

12:15 pm - 5:50 pmLHR-BOS

10h 35m1 stop

7:50 pm - 10:50 amBOS-LHR

10h 00m1 stop

$483Icelandair

Find Deal

Sat, Feb 7 - Sat, Feb 21

11:55 am - 5:50 pmLGW-BOS

10h 55m1 stop

12:35 pm - 10:55 amBOS-LGW

18h 20m1 stop

$483Icelandair

Find Deal

Thu, Feb 12 - Thu, Mar 12

8:15 am - 8:10 pmLHR-BOS

16h 55m1 stop

10:45 pm - 5:30 pmBOS-LHR

13h 45m1 stop

$484TAP AIR PORTUGAL

Find Deal

Thu, Dec 11 - Thu, Jan 8

9:15 am - 8:00 pmLCY-BOS

15h 45m1 stop

9:50 pm - 5:05 pmBOS-LCY

14h 15m1 stop

$546SWISS

Find Deal

Tue, Jan 13 - Tue, Jan 20

6:50 am - 1:55 pmLCY-BOS

12h 05m1 stop

9:15 pm - 12:40 pmBOS-LCY

10h 25m1 stop

$547British Airways

Find Deal

Tue, Jan 13 - Tue, Feb 3

1:30 pm - 9:20 pmLCY-BOS

11h 50m1 stop

11:10 pm - 12:55 pmBOS-LCY

9h 45m1 stop

$559SWISS

Find Deal

Wed, Mar 18 - Mon, Mar 23

6:50 am - 1:55 pmLCY-BOS

12h 05m1 stop

9:15 pm - 12:40 pmBOS-LCY

10h 25m1 stop

$568British Airways

Find Deal

Mon, Jan 19 - Mon, Jan 26

British Airways flights from London to Boston

Our best British Airways deals on London to Boston flight tickets

British Airways

Jan 13

LCY6:50 amLondon City

12h 05m

1 stop

BOS1:55 pmBoston Logan Intl

Feb 3

BOS9:15 pmBoston Logan Intl

10h 25m

1 stop

LCY12:40 pmLondon City

$547

Find similar

British Airways

Dec 4

LHR8:50 amLondon Heathrow

10h 05m

1 stop

BOS1:55 pmBoston Logan Intl

Dec 9

BOS6:55 pmBoston Logan Intl

6h 35m

LHR6:30 amLondon Heathrow

$567

Find similar

British Airways

Jan 19

LCY6:50 amLondon City

12h 05m

1 stop

BOS1:55 pmBoston Logan Intl

Jan 26

BOS9:15 pmBoston Logan Intl

10h 25m

1 stop

LCY12:40 pmLondon City

$568

Find similar

Iberia flights from London to Boston

Our best Iberia deals on London to Boston flight tickets

Iberia

Dec 4

LHR1:30 pmLondon Heathrow

7h 30m

BOS4:00 pmBoston Logan Intl

Dec 9

BOS7:15 pmBoston Logan Intl

6h 45m

LHR7:00 amLondon Heathrow

$574

Find similar

Iberia

Dec 4

LHR1:30 pmLondon Heathrow

7h 30m

BOS4:00 pmBoston Logan Intl

Dec 9

BOS7:15 pmBoston Logan Intl

6h 45m

LHR7:00 amLondon Heathrow

$579

Find similar

Iberia

Dec 5

LCY7:50 amLondon City

12h 25m

1 stop

BOS3:15 pmBoston Logan Intl

Dec 8

BOS4:45 pmBoston Logan Intl

11h 05m

1 stop

LCY8:50 amLondon City

$600

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 12/6

12:15 pm-10:35 am

1 stop27h 20m

Boston Logan Intl

Sun 12/14

11:35 am-10:50 am

1 stop18h 15m

$481

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 1/12

2:00 pm-2:38 pm

1 stop29h 38m

Boston Logan Intl

Mon 1/19

12:10 pm-10:00 am

1 stop16h 50m

$481

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 12/11

7:00 am-8:55 pm

1 stop18h 55m

Boston Logan Intl

Sun 12/14

12:57 pm-10:00 am

1 stop16h 03m

$482

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 2/7

12:15 pm-5:50 pm

1 stop10h 35m

Boston Logan Intl

Sat 2/21

7:50 pm-10:50 am

1 stop10h 00m

$483

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 2/12

11:55 am-5:50 pm

1 stop10h 55m

Boston Logan Intl

Thu 3/12

12:35 pm-10:55 am

1 stop18h 20m

$483

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 12/11

8:15 am-8:10 pm

1 stop16h 55m

Boston Logan Intl

Thu 1/8

10:45 pm-5:30 pm

1 stop13h 45m

$484

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 1/13

9:15 am-8:00 pm

1 stop15h 45m

Boston Logan Intl

Tue 1/20

9:50 pm-5:05 pm

1 stop14h 15m

$546

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 1/13

6:50 am-1:55 pm

1 stop12h 05m

Boston Logan Intl

Tue 2/3

9:15 pm-12:40 pm

1 stop10h 25m

$547

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 3/18

1:30 pm-9:20 pm

1 stop11h 50m

Boston Logan Intl

Mon 3/23

11:10 pm-12:55 pm

1 stop9h 45m

$559

LondonBoston

LCY - BOS

LCYBOS

London City

Mon 1/19

6:50 am-1:55 pm

1 stop12h 05m

Boston Logan Intl

Mon 1/26

9:15 pm-12:40 pm

1 stop10h 25m

$568

Flights are sorted by cheapest round-trip 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

Delays

Layovers

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?

In general, September is the cheapest month to fly from London to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $526. If you aren’t able to travel during the month of September, then book flights to Boston from London during February instead. Flights to Boston in February, while not as cheap as those in September, still average around $534.

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

The cheapest day to depart from London to Boston is on a Wednesday when prices can be found for as low as $687. 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 $794.

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 to Boston in the afternoon for as low as $714. 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 $757 per ticket.

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 $622 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 $589 on momondo.

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

There are 4 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.

How have London to Boston flight prices changed over time?

As of November 2025, prices for London to Boston flights are approximately 67% 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 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

Best Price Found	$521
Fastest flight time	7h 25m
Direct flights	Every day
Airports in Boston	1 airport

The best one-way flight to Boston from London in the past 72 hours is $521. The best round-trip flight deal from London to Boston found on momondo in the last 72 hours is $580.

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)

Search flight deals

How far is London to Boston Logan Intl by plane?
A flight from London to Boston Logan Intl will travel around 3269.0 mi. By plane, this route typically takes 9h 45m.
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 are updated daily.
How many operators does momondo search for flights from London to Boston Logan Intl Airport?
As of November 2025, there are 10 operators available to choose from 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?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
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 25.08% of all bookings. The subsequent popular models are Airbus A330-900neo at 17.70%, Boeing 777 at 16.54%, and Boeing 787-9 Dreamliner at 9.71%.
What is the most popular airline from London to Boston?
Based on momondo bookings for flights between London and Boston, the leading airline is British Airways, making up 37% of the total bookings. Other popular airlines include Delta with 11%, JetBlue with 10%, and American Airlines with 9%.

Best airlines flying from London to Boston

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

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom $352	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Finnair	PriceFrom $404	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
Aer Lingus	PriceFrom $412	Free Cancellation	Rating 7.2 1,380 reviews	Search Aer Lingus flights
Icelandair	PriceFrom $414	Free Cancellation	Rating 7.0 581 reviews	Search Icelandair flights
JetBlue	PriceFrom $456	Free Cancellation	Rating 7.2 2,903 reviews	Search JetBlue flights
British Airways	PriceFrom $465	Free Cancellation	Rating 6.7 7,535 reviews	Search British Airways flights
Delta	PriceFrom $481	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
American Airlines	PriceFrom $486	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
Iberia	PriceFrom $539	Free Cancellation	Rating 7.0 3,033 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom $551	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights

Delta Flights From London to Boston
Delta flight deals from London to Boston start from $481 round-trip. Over the 17 Delta flights for this route in a normal week, average airfare is usually $739 round-trip - but some users have found much cheaper deals with momondo.
Finnair Flights From London to Boston
Finnair is also a popular choice for this route. Finnair flight deals for London to Boston start from as low as $404 round-trip, depending on your selected dates, with average Finnair deals seen on momondo around $676. Finnair operates 17 flights to Boston from London in an average week. Users have rated it 7.6/10 across 1,334 reviews.

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Plymouth

Kennebunkport

Cambridge

South Yarmouth

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Nashua

Gloucester

Falmouth

Laconia

Brockton

Concord

Everett

Sturbridge

Chatham

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?

Yes. momondo allows you to filter the results for London to Boston flights to just show those with flexible booking policies.

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?

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 to Boston from $440

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 1/9. 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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Find the cheapest flights from London to Boston

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British Airways flights from London to Boston

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Our best Iberia deals on London to Boston flight tickets

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

What is the cheapest month to fly to Boston?

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

The cheapest day to depart from London to Boston is on a Wednesday when prices can be found for as low as $687. 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 $794.

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

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 4 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.

How have London to Boston flight prices changed over time?

As of November 2025, prices for London to Boston flights are approximately 67% 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?

SWISS, Air Canada, and British Airways are the most popular carriers operating from London to Boston Logan Intl

What airlines fly to Boston?

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 155 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?

Saturday is statistically the day of the week which experiences the fewest number of 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 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 and Boston?

Reykjavik (KEF) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 33m.

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

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

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

As of November 2025, there are 26 flights per day flying from London to Boston. The most common time of day flights depart is 9:00AM, with 41% of flights taking off in the afternoon.

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

182 flights are operational weekly from London to Boston as of November 2025. The most popular departure day for this route is Wed, with 16% of flights per week taking off 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

Best Price Found

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 many operators does momondo search 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?

What is the most popular airline from London to Boston?

Best airlines flying from London to Boston

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

Delta Flights From London to Boston

Finnair Flights From London 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?