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Cheap flights from London to Boston from $461

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 16/1. 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 return flights

These are some of the best return 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 stopovers.

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.
08:25 - 11:23LHR-BOS
7h 58mdirect
18:10 - 05:55BOS-LHR
6h 45mdirect
$715JetBlue
Find Deal
Wed, 19 Feb - Wed, 26 Feb
08:25 - 11:23LHR-BOS
7h 58mdirect
19:12 - 05:55BOS-LHR
6h 43mdirect
$717JetBlue
Find Deal
Wed, 5 Mar - Tue, 18 Mar
12:15 - 17:45LHR-BOS
10h 30m1 stop
20:00 - 19:30BOS-LHR
18h 30m1 stop
$757Icelandair
Find Deal
Sat, 11 Jan - Mon, 20 Jan
13:05 - 18:50LHR-BOS
10h 45m1 stop
20:50 - 20:20BOS-LHR
18h 30m1 stop
$760Icelandair
Find Deal
Tue, 1 Apr - Sat, 5 Apr
09:55 - 21:40LHR-BOS
16h 45m1 stop
23:25 - 20:05BOS-LHR
15h 40m1 stop
Tue, 21 Jan - Thu, 23 Jan
09:55 - 21:05LHR-BOS
16h 10m1 stop
22:50 - 20:05BOS-LHR
16h 15m1 stop
Wed, 2 Apr - Thu, 10 Apr
06:30 - 22:37LHR-BOS
21h 07m2 stops
14:00 - 06:20BOS-LHR
11h 20m1 stop
$812United Airlines
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Mon, 20 Jan - Thu, 13 Feb
06:00 - 14:10LHR-BOS
13h 10m1 stop
18:30 - 10:20BOS-LHR
10h 50m1 stop
$820TAP AIR PORTUGAL
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Sat, 3 May - Sun, 11 May
13:45 - 20:20LHR-BOS
11h 35m1 stop
20:13 - 10:15BOS-LHR
10h 02m1 stop
$835United Airlines
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Wed, 5 Mar - Thu, 13 Mar
08:15 - 20:05LHR-BOS
16h 50m1 stop
22:50 - 15:30BOS-LHR
11h 40m1 stop
$973TAP AIR PORTUGAL
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Fri, 13 Dec - Sat, 11 Jan
09:55 - 21:40LHR-BOS
16h 45m1 stop
Thu, 16 Jan
09:55 - 20:55LHR-BOS
16h 00m1 stop
Sat, 8 Feb
09:55 - 21:40LHR-BOS
16h 45m1 stop
Thu, 20 Feb
06:00 - 14:30LHR-BOS
13h 30m1 stop
$811TAP AIR PORTUGAL
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Mon, 9 Dec
08:15 - 20:05LHR-BOS
40h 50m3 stops
$814Azores Airlines
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Sun, 2 Feb
06:00 - 20:05LHR-BOS
43h 05m3 stops
$835Azores Airlines
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Wed, 27 Nov
12:05 - 20:20LHR-BOS
13h 15m1 stop
$877SWISS
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Mon, 25 Nov
07:30 - 17:36LHR-BOS
15h 06m2 stops
$895United Airlines
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Fri, 29 Nov
18:30 - 14:25LHR-BOS
24h 55m1 stop
$906TAP AIR PORTUGAL
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Wed, 18 Dec
07:00 - 20:20LHR-BOS
18h 20m2 stops
$923SWISS
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Fri, 29 Nov
10:00 - 16:50LHR-BOS
11h 50m1 stop
19:25 - 09:15BOS-LHR
8h 50m1 stop
$907Aer Lingus
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Thu, 21 Nov - Sat, 30 Nov
19:30 - 15:50LHR-BOS
25h 20m1 stop
12:25 - 09:20BOS-LHR
15h 55m2 stops
$1,118Scandinavian Airlines
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Fri, 22 Nov - Mon, 9 Dec
07:25 - 14:26LHR-BOS
12h 01m1 stop
18:15 - 05:55BOS-LHR
6h 40mdirect
$1,194JetBlue
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Mon, 25 Nov - Tue, 3 Dec
08:25 - 11:25LHR-BOS
8h 00mdirect
18:10 - 05:55BOS-LHR
6h 45mdirect
$1,290JetBlue
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Mon, 25 Nov - Sun, 29 Dec
06:30 - 13:35LHR-BOS
12h 05m1 stop
19:25 - 07:05BOS-LHR
6h 40mdirect
$1,325KLM
Find Deal
Sat, 23 Nov - Tue, 14 Jan
06:00 - 14:30LHR-BOS
13h 30m1 stop
22:55 - 18:55BOS-LHR
15h 00m1 stop
$1,343TAP AIR PORTUGAL
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Sun, 24 Nov - Fri, 29 Nov
08:50 - 11:50LHR-BOS
8h 00mdirect
19:25 - 07:05BOS-LHR
6h 40mdirect
$1,348KLM
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Sat, 23 Nov - Tue, 14 Jan
06:30 - 13:35LHR-BOS
12h 05m1 stop
20:10 - 07:55BOS-LHR
6h 45mdirect
$1,356Delta
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Sat, 23 Nov - Wed, 8 Jan
14:35 - 17:30LHR-BOS
7h 55mdirect
20:10 - 07:55BOS-LHR
6h 45mdirect
$1,382Delta
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Sat, 23 Nov - Wed, 8 Jan
08:25 - 11:25LHR-BOS
8h 00mdirect
18:10 - 15:30BOS-LHR
16h 20m1 stop
$2,442TAP AIR PORTUGAL
Find Deal
Mon, 25 Nov - Wed, 27 Nov
08:25 - 11:23LHR-BOS
7h 58mdirect
18:10 - 05:55BOS-LHR
6h 45mdirect
$717JetBlue
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Wed, 15 Jan - Mon, 20 Jan
08:25 - 11:23LHR-BOS
7h 58mdirect
19:12 - 05:55BOS-LHR
6h 43mdirect
$718JetBlue
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Wed, 5 Mar - Mon, 17 Mar
11:25 - 15:00LHR-BOS
7h 35mdirect
08:30 - 18:55BOS-LHR
6h 25mdirect
$851British Airways
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Mon, 10 Mar - Tue, 18 Mar
08:50 - 11:45LHR-BOS
7h 55mdirect
20:10 - 07:55BOS-LHR
6h 45mdirect
$854Delta
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Wed, 25 Dec - Thu, 9 Jan
14:35 - 17:30LHR-BOS
7h 55mdirect
19:25 - 07:05BOS-LHR
6h 40mdirect
$866Delta
Find Deal
Tue, 24 Dec - Thu, 16 Jan
19:05 - 21:55LHR-BOS
7h 50mdirect
07:30 - 18:55BOS-LHR
6h 25mdirect
$897British Airways
Find Deal
Wed, 4 Dec - Wed, 11 Dec
08:50 - 11:55LHR-BOS
8h 05mdirect
19:25 - 07:05BOS-LHR
6h 40mdirect
$904KLM
Find Deal
Mon, 13 Jan - Fri, 17 Jan
11:25 - 14:00LHR-BOS
7h 35mdirect
23:00 - 09:30BOS-LHR
6h 30mdirect
$917Finnair
Find Deal
Fri, 7 Mar - Mon, 17 Mar
08:50 - 11:35LHR-BOS
7h 45mdirect
20:20 - 07:05BOS-LHR
6h 45mdirect
$964KLM
Find Deal
Fri, 7 Mar - Sun, 16 Mar
10:35 - 13:00LHR-BOS
7h 25mdirect
20:10 - 07:50BOS-LHR
6h 40mdirect
$1,016Finnair
Find Deal
Thu, 5 Dec - Fri, 13 Dec

JetBlue flights from London to Boston

Our best JetBlue deals on London to Boston flight tickets
JetBlue
19 Feb
LHR08:25London Heathrow
7h 58m
BOS11:23Boston Logan Intl
26 Feb
BOS18:10Boston Logan Intl
6h 45m
LHR05:55London Heathrow
JetBlue
5 Mar
LHR08:25London Heathrow
7h 58m
BOS11:23Boston Logan Intl
18 Mar
BOS19:12Boston Logan Intl
6h 43m
LHR05:55London Heathrow
JetBlue
5 Mar
LHR08:25London Heathrow
7h 58m
BOS11:23Boston Logan Intl
17 Mar
BOS19:12Boston Logan Intl
6h 43m
LHR05:55London Heathrow

Icelandair flights from London to Boston

Our best Icelandair deals on London to Boston flight tickets
Icelandair
11 Jan
LHR12:15London Heathrow
10h 30m
1 stop
BOS17:45Boston Logan Intl
20 Jan
BOS20:00Boston Logan Intl
18h 30m
1 stop
LHR19:30London Heathrow
Icelandair
1 Apr
LHR13:05London Heathrow
10h 45m
1 stop
BOS18:50Boston Logan Intl
5 Apr
BOS20:50Boston Logan Intl
18h 30m
1 stop
LHR20:20London Heathrow
Icelandair
3 May
LHR13:05London Heathrow
10h 45m
1 stop
BOS18:50Boston Logan Intl
15 May
BOS20:50Boston Logan Intl
18h 30m
1 stop
LHR20:20London Heathrow

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 from London to Boston?

February. The cheapest time of year to fly to Boston from London is February. The most expensive is August.

What is the cheapest day to depart London for Boston?

Thursday. The cheapest day of the week is usually Thursday. The most expensive is usually Wednesday.

When is the cheapest time to fly from London to Boston?

In the morning. London to Boston flights are approximately 6% more expensive in the afternoon than in the morning

What is the cheapest London to Boston flight route?

London Heathrow - Boston Logan Intl. Fly from London Heathrow to Boston Logan Intl for the best London - Boston flight prices

How far in advance should you book London to Boston flights?

29 days before. The cheapest time to buy a flight from London to Boston is approximately 29 days to departure

Can stopping save me money on London to Boston flights?

You could potentially save up to 50% 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 November 2024, prices for London to Boston flights are approximately 20% more expensive when compared to flights at the same time last year.

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


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

$461

Fastest flight time

7h 15m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from London in the past 72 hours is $461. The best return flight deal from London to Boston found on momondo in the last 72 hours is $715.
The fastest flight from London to Boston takes 7h 15m
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?

    There are 5260.9 km between London and Boston Logan Intl. A reasonable flight in good conditions will take 7h 15m.

  • 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?


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.

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