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Cheap flights from London to Boston from €202

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 11/2. 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 return train or bus tickets from London to Boston.

All return flight deals to Boston

The cheapest plane tickets to Boston found on KAYAK recently.
07:00 - 17:00LTN-BOS
15h 00m1 stop
19:20 - 13:30BOS-LTN
14h 10m1 stop
€306
Find Deal
Tue, 11 Feb - Wed, 26 Mar
07:00 - 17:00LTN-BOS
15h 00m1 stop
19:20 - 13:55BOS-LTN
14h 35m1 stop
€314
Find Deal
Tue, 4 Mar - Mon, 24 Mar
06:30 - 17:00LTN-BOS
15h 30m1 stop
19:20 - 14:40BOS-LTN
15h 20m1 stop
€318
Find Deal
Thu, 6 Mar - Tue, 18 Mar
11:00 - 17:00STN-BOS
11h 00m1 stop
18:20 - 10:00BOS-STN
10h 40m1 stop
€348PLAY
Find Deal
Tue, 11 Feb - Tue, 25 Feb
11:40 - 18:00STN-BOS
11h 20m1 stop
19:15 - 10:40BOS-STN
10h 25m1 stop
€356PLAY
Find Deal
Tue, 6 May - Tue, 13 May
09:50 - 21:40LGW-BOS
16h 50m1 stop
23:25 - 17:10BOS-LGW
12h 45m1 stop
€373Vueling
Find Deal
Tue, 11 Feb - Tue, 25 Feb
06:00 - 14:30LHR-BOS
13h 30m1 stop
18:10 - 12:40BOS-LHR
13h 30m1 stop
€401TAP AIR PORTUGAL
Find Deal
Tue, 11 Feb - Tue, 25 Feb
11:55 - 17:45LGW-BOS
10h 50m1 stop
11:35 - 10:55BOS-LGW
18h 20m1 stop
€402Icelandair
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Thu, 27 Feb - Thu, 6 Mar
11:55 - 18:45LGW-BOS
10h 50m1 stop
21:00 - 10:55BOS-LGW
9h 55m1 stop
€417Icelandair
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Tue, 18 Mar - Tue, 25 Mar
06:00 - 14:10LHR-BOS
13h 10m1 stop
22:45 - 17:45BOS-LHR
14h 00m1 stop
€508TAP AIR PORTUGAL
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Fri, 4 Apr - Mon, 14 Apr
07:00 - 17:00LTN-BOS
15h 00m1 stop
€202
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Tue, 11 Feb
08:00 - 18:00LGW-BOS
14h 00m1 stop
€209
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Tue, 11 Mar
11:00 - 18:00STN-BOS
11h 00m1 stop
€346PLAY
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Wed, 19 Mar
11:00 - 18:00STN-BOS
11h 00m1 stop
€348PLAY
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Wed, 19 Mar
18:30 - 20:05LHR-BOS
30h 35m2 stops
€521Azores Airlines
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Sun, 26 Jan
06:00 - 19:50LHR-BOS
18h 50m3 stops
€522Azores Airlines
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Thu, 8 May
21:15 - 20:30LGW-BOS
28h 15m1 stop
€523TAP AIR PORTUGAL
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Sun, 18 May
06:00 - 14:10LHR-BOS
13h 10m1 stop
€527TAP AIR PORTUGAL
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Fri, 11 Apr
08:25 - 11:23LHR-BOS
7h 58mdirect
€605JetBlue
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Tue, 11 Feb
08:25 - 11:23LHR-BOS
7h 58mdirect
€608JetBlue
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Tue, 11 Feb
11:00 - 17:00STN-BOS
11h 00m1 stop
18:20 - 10:00BOS-STN
10h 40m1 stop
€470PLAY
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Thu, 16 Jan - Tue, 28 Jan
11:00 - 17:00STN-BOS
11h 00m1 stop
18:20 - 10:00BOS-STN
10h 40m1 stop
€476PLAY
Find Deal
Sat, 18 Jan - Thu, 23 Jan
11:00 - 17:00STN-BOS
11h 00m1 stop
18:20 - 10:00BOS-STN
10h 40m1 stop
€479PLAY
Find Deal
Thu, 16 Jan - Tue, 21 Jan
06:25 - 17:00LTN-BOS
15h 35m1 stop
18:20 - 14:10BOS-LTN
14h 50m1 stop
€487
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Sat, 18 Jan - Thu, 23 Jan
08:50 - 11:56LHR-BOS
8h 06mdirect
20:10 - 07:55BOS-LHR
6h 45mdirect
€499Delta
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Sun, 19 Jan - Thu, 27 Feb
08:50 - 11:56LHR-BOS
8h 06mdirect
20:10 - 07:55BOS-LHR
6h 45mdirect
€501Delta
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Sun, 19 Jan - Thu, 27 Feb
06:25 - 17:00LTN-BOS
15h 35m1 stop
18:20 - 14:10BOS-LTN
14h 50m1 stop
€511
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Sat, 18 Jan - Thu, 23 Jan
17:30 - 16:30LHR-BOS
28h 00m2 stops
17:45 - 17:40BOS-LHR
18h 55m1 stop
€542Scandinavian Airlines
Find Deal
Sat, 18 Jan - Mon, 27 Jan
17:30 - 16:30LHR-BOS
28h 00m2 stops
17:45 - 12:55BOS-LHR
14h 10m2 stops
€548Scandinavian Airlines
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Sat, 18 Jan - Mon, 27 Jan
10:00 - 16:50LHR-BOS
11h 50m1 stop
17:45 - 09:05BOS-LHR
10h 20m1 stop
€565Aer Lingus
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Sat, 18 Jan - Thu, 23 Jan
14:35 - 17:30LHR-BOS
7h 55mdirect
20:10 - 07:55BOS-LHR
6h 45mdirect
€451Virgin Atlantic
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Tue, 11 Feb - Tue, 25 Feb
08:50 - 11:56LHR-BOS
8h 06mdirect
19:25 - 07:05BOS-LHR
6h 40mdirect
€461Virgin Atlantic
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Mon, 27 Jan - Wed, 5 Feb
10:35 - 14:05LHR-BOS
7h 30mdirect
08:30 - 18:55BOS-LHR
6h 25mdirect
€464British Airways
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Mon, 17 Mar - Tue, 25 Mar
11:25 - 14:00LHR-BOS
7h 35mdirect
19:25 - 05:55BOS-LHR
6h 30mdirect
€465British Airways
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Tue, 11 Feb - Wed, 26 Mar
10:35 - 13:25LHR-BOS
7h 50mdirect
20:20 - 07:50BOS-LHR
6h 30mdirect
€468Finnair
Find Deal
Mon, 27 Jan - Wed, 5 Feb
17:00 - 19:35LHR-BOS
7h 35mdirect
20:20 - 07:50BOS-LHR
6h 30mdirect
€470Finnair
Find Deal
Mon, 27 Jan - Wed, 5 Feb
08:50 - 11:57LHR-BOS
8h 07mdirect
21:10 - 07:55BOS-LHR
6h 45mdirect
€482Delta
Find Deal
Mon, 10 Feb - Thu, 27 Mar
10:25 - 13:10LHR-BOS
7h 45mdirect
21:35 - 09:25BOS-LHR
6h 50mdirect
€493Delta
Find Deal
Wed, 16 Apr - Tue, 29 Apr
08:25 - 11:23LHR-BOS
7h 58mdirect
18:10 - 05:55BOS-LHR
6h 45mdirect
€519JetBlue
Find Deal
Tue, 11 Feb - Tue, 25 Feb
12:10 - 14:49LGW-BOS
7h 39mdirect
21:40 - 09:35BOS-LGW
6h 55mdirect
€574JetBlue
Find Deal
Mon, 26 May - Sun, 1 Jun

Icelandair flights from London to Boston

Our best Icelandair deals on London to Boston flight tickets
Icelandair
27 Feb
LGW11:55London Gatwick
10h 50m
1 stop
BOS17:45Boston Logan Intl
6 Mar
BOS11:35Boston Logan Intl
18h 20m
1 stop
LGW10:55London Gatwick
Icelandair
18 Mar
LGW11:55London Gatwick
10h 50m
1 stop
BOS18:45Boston Logan Intl
25 Mar
BOS21:00Boston Logan Intl
9h 55m
1 stop
LGW10:55London Gatwick
Icelandair
9 Feb
LGW11:55London Gatwick
10h 50m
1 stop
BOS17:45Boston Logan Intl
26 Mar
BOS21:00Boston Logan Intl
9h 55m
1 stop
LGW10:55London Gatwick

PLAY flights from London to Boston

Our best PLAY deals on London to Boston flight tickets
PLAY
11 Feb
STN11:00London Stansted
11h 00m
1 stop
BOS17:00Boston Logan Intl
25 Feb
BOS18:20Boston Logan Intl
10h 40m
1 stop
STN10:00London Stansted
PLAY
6 May
STN11:40London Stansted
11h 20m
1 stop
BOS18:00Boston Logan Intl
13 May
BOS19:15Boston Logan Intl
10h 25m
1 stop
STN10:40London Stansted
PLAY
6 May
STN11:40London Stansted
11h 20m
1 stop
BOS18:00Boston Logan Intl
13 May
BOS19:15Boston Logan Intl
10h 25m
1 stop
STN10:40London Stansted

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?

The month of September is, on average, the cheapest month to fly to Boston from London, with most prices found around €514. The month of February is another great option to travel to Boston, with average flight prices from London averaging around €518.

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

The cheapest day to depart from London to Boston is on a Monday when prices can be found for as low as €0. Flights from London to Boston on a Thursday will generally be more expensive and average around €559. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Boston from London at midday is the least expensive time of day to depart. momondo users have found prices as low as €0 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of €572.

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?

The ideal time to book your flight to Boston is 60 days in advance, when prices tend to average €619. However, in the past 72 hours, people saw flights from London for as low as €512.

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

There are 3 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 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

€202

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 €202. The best return flight deal from London to Boston found on momondo in the last 72 hours is €306.
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?

    London and Boston Logan Intl are 5260.9 km apart from one another. In terms of flight time, this usually takes a little over 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 necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Boston?


Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Quincy
Brookline

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?

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?

Once all potential London to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to Boston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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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