Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London to Boston from £144

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 18/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

'This year, momondo is the #1 place for airfares on the internet.'
Voted winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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.
07:00 - 17:00LTN-BOS
15h 00m1 stop
18:20 - 13:30BOS-LTN
14h 10m1 stop
Tue, 28 Jan - Wed, 29 Jan
07:45 - 17:00LTN-BOS
14h 15m1 stop
19:20 - 14:10BOS-LTN
14h 50m1 stop
Wed, 5 Mar - Thu, 20 Mar
11:00 - 17:00STN-BOS
11h 00m1 stop
18:20 - 10:00BOS-STN
10h 40m1 stop
£299PLAY
Find Deal
Wed, 29 Jan - Sat, 8 Feb
11:00 - 17:00STN-BOS
11h 00m1 stop
18:20 - 10:00BOS-STN
10h 40m1 stop
£300PLAY
Find Deal
Thu, 23 Jan - Sat, 1 Feb
17:35 - 16:35LHR-BOS
28h 00m1 stop
20:10 - 07:55BOS-LHR
6h 45mdirect
£357Virgin Atlantic
Find Deal
Mon, 27 Jan - Mon, 10 Feb
11:25 - 14:00LHR-BOS
7h 35mdirect
18:25 - 05:55BOS-LHR
6h 30mdirect
£372British Airways
Find Deal
Mon, 27 Jan - Thu, 6 Feb
14:35 - 17:30LHR-BOS
7h 55mdirect
18:45 - 13:45BOS-LHR
14h 00m1 stop
£378Virgin Atlantic
Find Deal
Mon, 13 Jan - Mon, 20 Jan
10:35 - 13:25LHR-BOS
7h 50mdirect
19:50 - 20:00BOS-LHR
19h 10m1 stop
£381Finnair
Find Deal
Tue, 21 Jan - Tue, 28 Jan
11:25 - 14:00LHR-BOS
7h 35mdirect
07:25 - 18:55BOS-LHR
6h 30mdirect
£386British Airways
Find Deal
Mon, 27 Jan - Wed, 14 May
10:35 - 13:25LHR-BOS
7h 50mdirect
19:36 - 10:25BOS-LHR
9h 49m1 stop
£387Finnair
Find Deal
Mon, 13 Jan - Mon, 20 Jan
09:10 - 21:40LGW-BOS
16h 30m1 stop
£144Vueling
Find Deal
Tue, 18 Mar
21:05 - 21:40LGW-BOS
28h 35m1 stop
£151Vueling
Find Deal
Mon, 10 Mar
11:00 - 17:00STN-BOS
11h 00m1 stop
£186PLAY
Find Deal
Tue, 14 Jan
11:00 - 17:00STN-BOS
11h 00m1 stop
£189PLAY
Find Deal
Tue, 11 Feb
17:00 - 19:35LHR-BOS
7h 35mdirect
£410British Airways
Find Deal
Wed, 22 Jan
17:00 - 19:35LHR-BOS
7h 35mdirect
£413Finnair
Find Deal
Tue, 11 Feb
17:00 - 19:35LHR-BOS
7h 35mdirect
£415Finnair
Find Deal
Tue, 28 Jan
20:05 - 15:52LCY-BOS
24h 47m2 stops
£538Virgin Atlantic
Find Deal
Tue, 11 Feb
10:00 - 19:15LCY-BOS
14h 15m1 stop
£569Virgin Atlantic
Find Deal
Fri, 27 Dec
08:35 - 19:53LCY-BOS
16h 18m2 stops
£595British Airways
Find Deal
Mon, 24 Feb
19:30 - 15:50LHR-BOS
25h 20m1 stop
17:45 - 16:00BOS-LHR
17h 15m1 stop
£513Scandinavian Airlines
Find Deal
Mon, 23 Dec - Wed, 5 Feb
19:30 - 15:50LHR-BOS
25h 20m1 stop
17:45 - 16:00BOS-LHR
17h 15m1 stop
£513Scandinavian Airlines
Find Deal
Mon, 23 Dec - Wed, 5 Feb
11:00 - 17:00STN-BOS
11h 00m1 stop
18:20 - 10:00BOS-STN
10h 40m1 stop
£603PLAY
Find Deal
Sun, 22 Dec - Sun, 29 Dec
11:00 - 17:00STN-BOS
11h 00m1 stop
18:20 - 10:00BOS-STN
10h 40m1 stop
£640PLAY
Find Deal
Mon, 23 Dec - Wed, 5 Feb
14:45 - 16:35LHR-BOS
30h 50m1 stop
20:16 - 06:50BOS-LHR
29h 34m1 stop
£843Virgin Atlantic
Find Deal
Mon, 23 Dec - Sun, 29 Dec
12:15 - 17:45LHR-BOS
10h 30m1 stop
20:00 - 10:50BOS-LHR
9h 50m1 stop
£853Icelandair
Find Deal
Fri, 20 Dec - Fri, 10 Jan
14:45 - 16:35LHR-BOS
30h 50m1 stop
19:15 - 07:05BOS-LHR
6h 50mdirect
£876Virgin Atlantic
Find Deal
Mon, 23 Dec - Sun, 29 Dec
07:25 - 00:18LHR-BOS
21h 53m1 stop
18:10 - 05:55BOS-LHR
6h 45mdirect
£933Icelandair
Find Deal
Sun, 22 Dec - Sun, 29 Dec
08:40 - 19:53LCY-BOS
16h 13m2 stops
13:18 - 18:20BOS-LCY
24h 02m2 stops
£1,383British Airways
Find Deal
Sat, 21 Dec - Thu, 26 Dec
08:40 - 19:53LCY-BOS
16h 13m2 stops
13:18 - 13:25BOS-LCY
19h 07m2 stops
£1,582British Airways
Find Deal
Sat, 21 Dec - Sat, 4 Jan
11:25 - 14:00LHR-BOS
7h 35mdirect
18:25 - 05:55BOS-LHR
6h 30mdirect
£372British Airways
Find Deal
Mon, 27 Jan - Thu, 6 Feb
10:35 - 13:25LHR-BOS
7h 50mdirect
20:20 - 07:50BOS-LHR
6h 30mdirect
£381Finnair
Find Deal
Tue, 21 Jan - Tue, 28 Jan
14:35 - 17:30LHR-BOS
7h 55mdirect
20:10 - 07:55BOS-LHR
6h 45mdirect
£383Virgin Atlantic
Find Deal
Mon, 13 Jan - Mon, 20 Jan
11:25 - 14:00LHR-BOS
7h 35mdirect
07:25 - 18:55BOS-LHR
6h 30mdirect
£386British Airways
Find Deal
Mon, 27 Jan - Wed, 14 May
17:00 - 19:35LHR-BOS
7h 35mdirect
22:00 - 09:30BOS-LHR
6h 30mdirect
£404Finnair
Find Deal
Wed, 5 Feb - Mon, 10 Feb
08:25 - 11:23LHR-BOS
7h 58mdirect
18:10 - 05:55BOS-LHR
6h 45mdirect
£427JetBlue
Find Deal
Mon, 10 Feb - Tue, 18 Feb
14:35 - 17:30LHR-BOS
7h 55mdirect
20:10 - 07:55BOS-LHR
6h 45mdirect
£430Virgin Atlantic
Find Deal
Fri, 17 Jan - Fri, 24 Jan
08:25 - 11:23LHR-BOS
7h 58mdirect
18:10 - 05:55BOS-LHR
6h 45mdirect
£457JetBlue
Find Deal
Thu, 16 Jan - Mon, 27 Jan
12:10 - 14:49LGW-BOS
7h 39mdirect
21:40 - 09:35BOS-LGW
6h 55mdirect
£528Icelandair
Find Deal
Fri, 23 May - Mon, 26 May
12:10 - 14:49LGW-BOS
7h 39mdirect
21:40 - 09:35BOS-LGW
6h 55mdirect
£529Icelandair
Find Deal
Fri, 23 May - Mon, 26 May

Vueling flights from London to Boston

Our best Vueling deals on London to Boston flight tickets
Vueling
16 Jun
LGW21:05London Gatwick
29h 00m
1 stop
BOS21:05Boston Logan Intl
6 Aug
BOS23:00Boston Logan Intl
28h 30m
1 stop
LGW08:30London Gatwick
Vueling
25 Jan
LGW06:45London Gatwick
19h 10m
1 stop
BOS20:55Boston Logan Intl
4 Feb
BOS23:25Boston Logan Intl
12h 45m
1 stop
LGW17:10London Gatwick
Vueling
23 Dec
LGW19:30London Gatwick
31h 10m
1 stop
BOS21:40Boston Logan Intl
28 Dec
BOS22:40Boston Logan Intl
18h 55m
1 stop
LGW22:35London Gatwick

United Airlines flights from London to Boston

Our best United Airlines deals on London to Boston flight tickets
United Airlines
21 Jan
LHR06:30London Heathrow
17h 14m
2 stops
BOS18:44Boston Logan Intl
18 Mar
BOS06:00Boston Logan Intl
10h 35m
1 stop
LHR20:35London Heathrow
United Airlines
27 Dec
LHR15:00London Heathrow
24h 08m
1 stop
BOS10:08Boston Logan Intl
9 Jan
BOS14:45Boston Logan Intl
13h 25m
2 stops
LHR09:10London Heathrow
United Airlines
19 Apr
LHR09:30London Heathrow
10h 27m
1 stop
BOS14:57Boston Logan Intl
30 Apr
BOS15:40Boston Logan Intl
9h 50m
1 stop
LHR06:30London 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 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 £414. The month of February is another great option to travel to Boston, with average flight prices from London averaging around £417.

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

The cheapest day to depart on your flight to Boston is on a Tuesday when prices can be found for as low as £402. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £549. 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?

Our most recent data shows that the best time of day to fly to Boston is in the evening. Flights from London to Boston during this time can be as low as £8. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around £495 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?

The best time to book a flight to Boston from London is 60 days out, which is when prices tend to be around £497. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £333.

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.

Can stopping save me money on London to Boston flights?

You could potentially save up to 63% 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 December 2024, 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

£144

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 £144. The best return flight deal from London to Boston found on momondo in the last 72 hours is £271.
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?

    The distance between London and Boston Logan Intl is about 3269.0 mi. 7h 15m is a normal flight duration for this route.

  • 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 refreshed on a daily basis.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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
Aer LingusPriceFrom £8Free CancellationRating
7.1
1,078 reviews
Search Aer Lingus flights
PLAYPriceFrom £274Free CancellationRating
7.1
91 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom £295Free CancellationRating
7.1
1,878 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom £330Free CancellationRating
7.1
509 reviews
Search Icelandair flights
KLMPriceFrom £353Free CancellationRating
7.8
1,349 reviews
Search KLM flights
Air FrancePriceFrom £354Free CancellationRating
7.4
1,505 reviews
Search Air France flights
British AirwaysPriceFrom £355Free CancellationRating
6.6
6,817 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £358Free CancellationRating
7.5
668 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom £361Free CancellationRating
7.0
8,391 reviews
Search Air Canada flights
DeltaPriceFrom £364Free CancellationRating
8.0
8,604 reviews
Search Delta flights
  • Delta Flights From London to Boston

    Delta is one of the most popular airlines flying from London to Boston, operating 13 flights/week on average for this route. A good Delta flight deal for London to Boston starts from £461 round-trip, up to an average price of £693. Our users have rated Delta at 8.0/10.

  • KLM Flights From London to Boston

    KLM (7.8/10 from 1,349 reviews) operates around 13 flights from London to Boston in any given week. The average KLM airfare for this route is around £577, with deals from around £448 rare but found on momondo. Referenced prices are for round-trip London to Boston flight searches in the last 72 hours.


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?

Flights from London to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from London and alert you when they 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.
1 adult
From?
To?
Tue 24/12
Tue 31/12
Email me momondo's favourite deals

Find better results for your trip to the United States