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Cheap flights from London to Boston from $139

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 2/11. 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

Cheap round-trip flights

These are some of the best round-trip flight deals from London to Boston that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Boston.

Cheap last minute flights

Planning a quick getaway from London to Boston? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Boston, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London to Boston

Find recent round-trip train or bus tickets from London to Boston.

All round-trip flight deals to Boston

The cheapest plane tickets to Boston found on KAYAK recently.
7:00 am - 5:00 pmLTN-BOS
15h 00m1 stop
7:20 pm - 1:30 pmBOS-LTN
14h 10m1 stop
Tue, Feb 11 - Wed, Mar 26
7:00 am - 5:00 pmLTN-BOS
15h 00m1 stop
7:20 pm - 1:55 pmBOS-LTN
14h 35m1 stop
Tue, Mar 4 - Mon, Mar 24
11:00 am - 5:00 pmSTN-BOS
11h 00m1 stop
6:20 pm - 10:00 amBOS-STN
10h 40m1 stop
$348PLAY
Find Deal
Tue, Feb 4 - Tue, Feb 11
11:00 am - 5:00 pmSTN-BOS
11h 00m1 stop
7:20 pm - 10:00 amBOS-STN
10h 40m1 stop
$351PLAY
Find Deal
Wed, Mar 5 - Wed, Mar 26
11:25 am - 2:00 pmLHR-BOS
7h 35mnonstop
10:00 pm - 9:30 amBOS-LHR
6h 30mnonstop
$469British Airways
Find Deal
Mon, Feb 3 - Mon, Feb 10
10:35 am - 2:05 pmLHR-BOS
7h 30mnonstop
7:25 am - 6:55 pmBOS-LHR
6h 30mnonstop
$474British Airways
Find Deal
Wed, Mar 26 - Wed, Apr 2
6:15 am - 1:35 pmLHR-BOS
12h 20m1 stop
7:00 pm - 6:45 amBOS-LHR
6h 45mnonstop
$502Delta
Find Deal
Mon, Apr 14 - Thu, May 1
6:30 am - 1:35 pmLHR-BOS
12h 05m1 stop
8:10 pm - 7:55 amBOS-LHR
6h 45mnonstop
$503Delta
Find Deal
Tue, Feb 4 - Sun, Feb 9
3:05 pm - 10:37 pmLGW-BOS
12h 32m1 stop
5:45 pm - 8:10 amBOS-LGW
9h 25m1 stop
$571American Airlines
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Thu, Jun 19 - Tue, Jul 15
3:05 pm - 10:37 pmLGW-BOS
12h 32m1 stop
5:32 pm - 8:10 amBOS-LGW
33h 38m2 stops
$574American Airlines
Find Deal
Tue, Jun 24 - Sun, Jul 6
9:10 am - 9:40 pmLGW-BOS
17h 30m1 stop
$139Vueling
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Tue, Feb 11
9:05 pm - 9:40 pmLGW-BOS
29h 35m1 stop
$149Vueling
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Wed, Feb 12
11:00 am - 6:00 pmSTN-BOS
11h 00m1 stop
$232PLAY
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Tue, Mar 11
11:00 am - 5:00 pmSTN-BOS
11h 00m1 stop
$233PLAY
Find Deal
Tue, Feb 11
10:00 am - 4:50 pmLHR-BOS
11h 50m1 stop
$434Aer Lingus
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Wed, Jan 22
12:10 pm - 6:59 pmLHR-BOS
11h 49m1 stop
$437Aer Lingus
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Tue, Jan 21
7:45 am - 1:35 pmLCY-BOS
10h 50m1 stop
$465Virgin Atlantic
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Thu, Jan 30
9:20 am - 8:04 pmLCY-BOS
15h 44m2 stops
$491Virgin Atlantic
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Wed, Jan 22
7:15 am - 7:23 pmLCY-BOS
17h 08m2 stops
$567British Airways
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Tue, Jan 21
7:15 am - 7:23 pmLCY-BOS
17h 08m2 stops
$570British Airways
Find Deal
Tue, Jan 21
11:00 am - 5:00 pmSTN-BOS
11h 00m1 stop
6:20 pm - 10:00 amBOS-STN
10h 40m1 stop
$472PLAY
Find Deal
Sat, Jan 18 - Thu, Jan 23
11:00 am - 5:00 pmSTN-BOS
11h 00m1 stop
6:20 pm - 10:00 amBOS-STN
10h 40m1 stop
$478PLAY
Find Deal
Sat, Jan 18 - Sat, Jan 25
7:30 pm - 7:23 pmLHR-BOS
28h 53m2 stops
9:06 pm - 10:10 pmBOS-LHR
20h 04m1 stop
$492British Airways
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Sun, Jan 19 - Sun, Jan 26
8:50 am - 11:56 amLHR-BOS
8h 06mnonstop
8:10 pm - 7:55 amBOS-LHR
6h 45mnonstop
$510Delta
Find Deal
Sun, Jan 19 - Thu, Feb 27
8:50 am - 11:56 amLHR-BOS
8h 06mnonstop
8:10 pm - 7:55 amBOS-LHR
6h 45mnonstop
$512Delta
Find Deal
Sun, Jan 19 - Thu, Feb 27
10:35 am - 1:25 pmLHR-BOS
7h 50mnonstop
9:06 pm - 10:10 pmBOS-LHR
20h 04m1 stop
$520British Airways
Find Deal
Sun, Jan 19 - Sun, Jan 26
2:35 pm - 5:30 pmLHR-BOS
7h 55mnonstop
4:55 pm - 7:55 amBOS-LHR
10h 00m1 stop
$709Virgin Atlantic
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Sat, Jan 18 - Sat, Jan 25
8:50 am - 11:56 amLHR-BOS
8h 06mnonstop
8:10 pm - 7:55 amBOS-LHR
6h 45mnonstop
$710Virgin Atlantic
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Sat, Jan 18 - Sat, Jan 25
8:25 am - 11:23 amLHR-BOS
7h 58mnonstop
7:36 pm - 9:30 amBOS-LHR
9h 54m1 stop
$785JetBlue
Find Deal
Sat, Jan 18 - Tue, Mar 11
8:25 am - 11:23 amLHR-BOS
7h 58mnonstop
6:15 pm - 9:30 amBOS-LHR
10h 15m1 stop
$788JetBlue
Find Deal
Sat, Jan 18 - Thu, Jan 23
8:50 am - 11:56 amLHR-BOS
8h 06mnonstop
8:10 pm - 7:55 amBOS-LHR
6h 45mnonstop
$431KLM
Find Deal
Mon, Jan 27 - Wed, Feb 5
2:35 pm - 5:30 pmLHR-BOS
7h 55mnonstop
8:10 pm - 7:55 amBOS-LHR
6h 45mnonstop
$444KLM
Find Deal
Wed, Jan 29 - Mon, Feb 10
5:00 pm - 7:35 pmLHR-BOS
7h 35mnonstop
10:00 pm - 9:30 amBOS-LHR
6h 30mnonstop
$454British Airways
Find Deal
Wed, Feb 12 - Wed, Feb 19
5:00 pm - 7:35 pmLHR-BOS
7h 35mnonstop
8:00 pm - 7:50 amBOS-LHR
6h 50mnonstop
$455British Airways
Find Deal
Wed, Feb 12 - Tue, Feb 18
10:35 am - 1:25 pmLHR-BOS
7h 50mnonstop
7:25 pm - 5:55 amBOS-LHR
6h 30mnonstop
$488American Airlines
Find Deal
Wed, Feb 12 - Mon, Mar 24
10:25 am - 1:10 pmLHR-BOS
7h 45mnonstop
10:30 pm - 10:15 amBOS-LHR
6h 45mnonstop
$504Delta
Find Deal
Mon, Apr 14 - Tue, Apr 29
2:35 pm - 5:30 pmLHR-BOS
7h 55mnonstop
7:25 pm - 7:05 amBOS-LHR
6h 40mnonstop
$510Delta
Find Deal
Fri, Jan 24 - Wed, Feb 26
11:25 am - 2:00 pmLHR-BOS
7h 35mnonstop
8:30 am - 6:55 pmBOS-LHR
6h 25mnonstop
$524American Airlines
Find Deal
Tue, Feb 11 - Fri, Mar 28
8:25 am - 11:23 amLHR-BOS
7h 58mnonstop
6:10 pm - 5:55 amBOS-LHR
6h 45mnonstop
$530JetBlue
Find Deal
Tue, Feb 11 - Tue, Feb 25
12:10 pm - 2:49 pmLGW-BOS
7h 39mnonstop
9:40 pm - 9:35 amBOS-LGW
6h 55mnonstop
$587JetBlue
Find Deal
Mon, May 26 - Sun, Jun 1

KLM flights from London to Boston

Our best KLM deals on London to Boston flight tickets
KLM
Jan 27
LHR6:30 amLondon Heathrow
12h 05m
1 stop
BOS1:35 pmBoston Logan Intl
Feb 5
BOS8:10 pmBoston Logan Intl
6h 45m
LHR7:55 amLondon Heathrow
KLM
Jan 27
LHR8:50 amLondon Heathrow
8h 06m
BOS11:56 amBoston Logan Intl
Feb 5
BOS8:10 pmBoston Logan Intl
6h 45m
LHR7:55 amLondon Heathrow
KLM
Feb 11
LHR2:35 pmLondon Heathrow
7h 55m
BOS5:30 pmBoston Logan Intl
Feb 19
BOS7:25 pmBoston Logan Intl
6h 40m
LHR7:05 amLondon Heathrow

Vueling flights from London to Boston

Our best Vueling deals on London to Boston flight tickets
Vueling
Feb 11
LGW1:10 pmLondon Gatwick
13h 30m
1 stop
BOS9:40 pmBoston Logan Intl
Feb 25
BOS11:25 pmBoston Logan Intl
12h 45m
1 stop
LGW5:10 pmLondon Gatwick
Vueling
Feb 11
LGW1:10 pmLondon Gatwick
13h 30m
1 stop
BOS9:40 pmBoston Logan Intl
Feb 25
BOS11:25 pmBoston Logan Intl
12h 45m
1 stop
LGW5:10 pmLondon Gatwick
Vueling
Feb 18
LGW1:10 pmLondon Gatwick
13h 30m
1 stop
BOS9:40 pmBoston Logan Intl
Feb 25
BOS11:25 pmBoston Logan Intl
15h 50m
1 stop
LGW8:15 pmLondon Gatwick

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 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 $525. 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 $529.

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 $591. 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 $716.

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 evening. momondo users have found flights departing from London to Boston in the evening for as low as $600. 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 morning is when there is more demand to fly to Boston, so prices are often more expensive at around $656 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 60 days ahead of your departure date. In general, you can expect to find flights to Boston for around $633 when searching 60 days 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 $535 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 January 2025, prices for London to Boston flights are approximately 2% 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

$139

Fastest flight time

7h 10m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from London in the past 72 hours is $139. The best round-trip flight deal from London to Boston found on momondo in the last 72 hours is $313.
The fastest flight from London to Boston takes 7h 10m
Direct flights go from London to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)

  • 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 7h 10m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $337Free CancellationRating
7.1
92 reviews
Search PLAY flights
FinnairPriceFrom $357Free CancellationRating
7.6
1,285 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom $407Free CancellationRating
7.1
1,861 reviews
Search TAP AIR PORTUGAL flights
JetBluePriceFrom $420Free CancellationRating
7.4
3,196 reviews
Search JetBlue flights
IcelandairPriceFrom $432Free CancellationRating
7.1
501 reviews
Search Icelandair flights
IberiaPriceFrom $481Free CancellationRating
7.0
2,639 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $483Free CancellationRating
7.5
664 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $487Free CancellationRating
6.6
6,816 reviews
Search British Airways flights
American AirlinesPriceFrom $492Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air FrancePriceFrom $497Free CancellationRating
7.4
1,486 reviews
Search Air France flights
  • Delta Flights From London to Boston

    Delta flight deals from London to Boston start from $518 round-trip. Over the 15 Delta flights for this route in a normal week, average airfare is usually $689 round-trip - but some users have found much cheaper deals with momondo.

  • KLM Flights From London to Boston

    KLM is also a popular choice for this route. KLM flight deals for London to Boston start from as low as $501 round-trip, depending on your selected dates, with average KLM deals seen on momondo around $592. KLM operates 15 flights to Boston from London in an average week. Users have rated it 7.8/10 across 1,336 reviews.


Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
Brockton
Cambridge
Nashua
Plymouth
Laconia
Concord
Warwick
Everett
York Beach
Middletown
Wells
Revere
Gloucester
West Yarmouth
Kennebunkport

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.


An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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