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

33 flights are operational daily from London to Boston as of August 2025. The most popular departure time for this route is 08:00, with 40% of flights per day taking off 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 235 per week as of August 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

LEVEL, JetBlue, and TAP AIR PORTUGAL are the most popular carriers operating from London to Boston Logan Intl

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 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 licence, 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.

$652 Cheap Flights from London to Boston in 2025

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 $812 to $1,151. The lowest price recently found on this route was $748.

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Find the cheapest flights from London to Boston

Round-trip

One-way

Last minute

Direct

Cheap return flights

06:50 - 18:56LHR-BOS

17h 06m2 stops

18:55 - 10:10BOS-LHR

10h 15m1 stop

$748United Airlines

Find Deal

Sat, 27 Sep - Mon, 6 Oct

06:55 - 17:40LHR-BOS

15h 45m1 stop

18:30 - 09:35BOS-LHR

10h 05m1 stop

$749United Airlines

Find Deal

Mon, 8 Sep - Mon, 15 Sep

06:55 - 17:40LHR-BOS

15h 45m1 stop

18:30 - 10:10BOS-LHR

10h 40m1 stop

$751United Airlines

Find Deal

Mon, 8 Sep - Mon, 15 Sep

20:50 - 21:15LHR-BOS

29h 25m1 stop

23:00 - 09:10BOS-LHR

29h 10m1 stop

$754LEVEL

Find Deal

Mon, 13 Oct - Fri, 17 Oct

10:50 - 17:40LHR-BOS

11h 50m1 stop

14:36 - 06:55BOS-LHR

11h 19m1 stop

$757Lufthansa

Find Deal

Sat, 11 Oct - Tue, 21 Oct

08:40 - 15:25LHR-BOS

11h 45m1 stop

21:40 - 13:00BOS-LHR

10h 20m1 stop

$761SWISS

Find Deal

Wed, 8 Oct - Sun, 19 Oct

08:30 - 16:00LHR-BOS

12h 30m1 stop

14:36 - 06:55BOS-LHR

11h 19m1 stop

$764Lufthansa

Find Deal

Sun, 5 Oct - Wed, 15 Oct

06:40 - 15:35LHR-BOS

13h 55m1 stop

17:40 - 14:35BOS-LHR

15h 55m2 stops

$777Scandinavian Airlines

Find Deal

Fri, 10 Oct - Tue, 14 Oct

08:45 - 15:25LHR-BOS

11h 40m1 stop

21:40 - 13:00BOS-LHR

10h 20m1 stop

$792SWISS

Find Deal

Tue, 7 Oct - Mon, 13 Oct

06:40 - 16:50LHR-BOS

14h 10m1 stop

17:35 - 16:00BOS-LHR

17h 25m1 stop

$795Scandinavian Airlines

Find Deal

Fri, 31 Oct - Sun, 2 Nov

United Airlines flights from London to Boston

Our best United Airlines deals on London to Boston flight tickets

United Airlines

27 Sept

LHR06:50London Heathrow

17h 06m

2 stops

BOS18:56Boston Logan Intl

6 Oct

BOS18:55Boston Logan Intl

10h 15m

1 stop

LHR10:10London Heathrow

$748

Find similar

United Airlines

8 Sept

LHR06:55London Heathrow

15h 45m

1 stop

BOS17:40Boston Logan Intl

15 Sept

BOS18:30Boston Logan Intl

10h 05m

1 stop

LHR09:35London Heathrow

$749

Find similar

United Airlines

8 Sept

LHR06:55London Heathrow

15h 45m

1 stop

BOS17:40Boston Logan Intl

15 Sept

BOS18:30Boston Logan Intl

10h 40m

1 stop

LHR10:10London Heathrow

$751

Find similar

Scandinavian Airlines flights from London to Boston

Our best Scandinavian Airlines deals on London to Boston flight tickets

Scandinavian Airlines

10 Oct

LHR06:40London Heathrow

13h 55m

1 stop

BOS15:35Boston Logan Intl

14 Oct

BOS17:40Boston Logan Intl

15h 55m

2 stops

LHR14:35London Heathrow

$777

Find similar

Scandinavian Airlines

31 Oct

LHR06:40London Heathrow

14h 10m

1 stop

BOS16:50Boston Logan Intl

2 Nov

BOS17:35Boston Logan Intl

17h 25m

1 stop

LHR16:00London Heathrow

$795

Find similar

Scandinavian Airlines

9 Oct

LHR21:05London Heathrow

23h 30m

2 stops

BOS15:35Boston Logan Intl

13 Oct

BOS17:40Boston Logan Intl

19h 00m

1 stop

LHR17:40London Heathrow

$825

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 27/9

06:50-18:56

2 stops17h 06m

Boston Logan Intl

Mon 6/10

18:55-10:10

1 stop10h 15m

$748

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/9

06:55-17:40

1 stop15h 45m

Boston Logan Intl

Mon 15/9

18:30-09:35

1 stop10h 05m

$749

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/9

06:55-17:40

1 stop15h 45m

Boston Logan Intl

Mon 15/9

18:30-10:10

1 stop10h 40m

$751

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 13/10

20:50-21:15

1 stop29h 25m

Boston Logan Intl

Fri 17/10

23:00-09:10

1 stop29h 10m

$754

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 11/10

10:50-17:40

1 stop11h 50m

Boston Logan Intl

Tue 21/10

14:36-06:55

1 stop11h 19m

$757

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 8/10

08:40-15:25

1 stop11h 45m

Boston Logan Intl

Sun 19/10

21:40-13:00

1 stop10h 20m

$761

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 5/10

08:30-16:00

1 stop12h 30m

Boston Logan Intl

Wed 15/10

14:36-06:55

1 stop11h 19m

$764

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 10/10

06:40-15:35

1 stop13h 55m

Boston Logan Intl

Tue 14/10

17:40-14:35

2 stops15h 55m

$777

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 7/10

08:45-15:25

1 stop11h 40m

Boston Logan Intl

Mon 13/10

21:40-13:00

1 stop10h 20m

$792

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 31/10

06:40-16:50

1 stop14h 10m

Boston Logan Intl

Sun 2/11

17:35-16:00

1 stop17h 25m

$795

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?

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 $812. The month of February is another great option to travel to Boston, with average flight prices from London averaging around $822.

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

On average, the least expensive day to fly to Boston from London is on a Thursday. momondo users have found tickets for Thursday departures for as low as $959. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,390. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

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 $904. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to Boston, so prices are often more expensive at around $1,390 per ticket.

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

Fly from London Heathrow 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 $956 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 $875 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 76% 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 August 2025, prices for London to Boston flights are approximately 15% cheaper 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

Best price found	$947
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Boston	1 airport

The best flight deal from London to Boston found on momondo in the last 72 hours is $947

The fastest flight from London to Boston takes 7h 20m

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?
There are 5260.9 km between London and Boston Logan Intl. A reasonable flight in good conditions will take 7h 20m.
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 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 licence, 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 23.30% of all bookings. The subsequent popular models are Airbus A330-900neo at 18.44%, Boeing 777 at 15.79%, and Boeing 787-9 Dreamliner at 10.52%.

Cambridge

Westford

Old Orchard Beach

Salem

Waltham

Chelsea

Seekonk

Sturbridge

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

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

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Cheap flights from London to Boston from $652

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 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from London to Boston

Cheap return flights

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United Airlines flights from London to Boston

Our best United Airlines deals on London to Boston flight tickets

Scandinavian Airlines flights from London to Boston

Our best Scandinavian Airlines 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?

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 to Boston Logan Intl flight route?

Fly from London Heathrow 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 76% 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 August 2025, prices for London to Boston flights are approximately 15% cheaper when compared to flights at the same time last year.

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

LEVEL, JetBlue, and TAP AIR PORTUGAL are the most popular carriers operating from London to Boston Logan Intl

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

33 flights are operational daily from London to Boston as of August 2025. The most popular departure time for this route is 08:00, with 40% of flights per day taking off 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 235 per week as of August 2025. The most frequent departure day is Mon, with 15% 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

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 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