Cheap flights from London Heathrow Airport to Boston from €314

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 Heathrow Airport to Boston departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Heathrow Airport to Boston

Cheap return flights

SWISS Logo
06:00 - 15:25LHR-BOS
14h 25m1 stop
SWISS Logo
17:05 - 11:25BOS-LHR
13h 20m1 stop
€377SWISS
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Sat, 6 Sep - Mon, 15 Sep
United Airlines Logo
08:40 - 15:25LHR-BOS
11h 45m1 stop
United Airlines Logo
16:25 - 07:15BOS-LHR
9h 50m1 stop
€382United Airlines
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Fri, 12 Sep - Tue, 16 Sep
 Logo
13:50 - 20:20LHR-BOS
11h 30m1 stop
 Logo
14:21 - 06:40BOS-LHR
11h 19m1 stop
€384
Find Deal
Thu, 13 Nov - Thu, 20 Nov
Lufthansa Logo
07:25 - 17:40LHR-BOS
15h 15m1 stop
Lufthansa Logo
19:08 - 10:40BOS-LHR
10h 32m1 stop
€385Lufthansa
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Tue, 30 Sep - Wed, 8 Oct
Lufthansa Logo
11:10 - 18:35LHR-BOS
12h 25m1 stop
Lufthansa Logo
14:16 - 06:40BOS-LHR
11h 24m1 stop
€386Lufthansa
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Sat, 10 Jan - Sat, 17 Jan
Austrian Airlines Logo
06:00 - 18:55LHR-BOS
17h 55m2 stops
Austrian Airlines Logo
14:40 - 10:40BOS-LHR
15h 00m1 stop
€390Austrian Airlines
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Mon, 8 Sep - Thu, 18 Sep
Austrian Airlines Logo
06:00 - 13:50LHR-BOS
12h 50m1 stop
Austrian Airlines Logo
12:40 - 05:55BOS-LHR
12h 15m1 stop
€391Austrian Airlines
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Sat, 27 Sep - Sun, 5 Oct
Scandinavian Airlines Logo
13:55 - 15:35LHR-BOS
54h 40m2 stops
Scandinavian Airlines Logo
17:40 - 16:25BOS-LHR
41h 45m2 stops
€396Scandinavian Airlines
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Sat, 6 Sep - Mon, 15 Sep
Scandinavian Airlines Logo
21:05 - 15:35LHR-BOS
23h 30m2 stops
Scandinavian Airlines Logo
17:40 - 16:25BOS-LHR
17h 45m2 stops
€400Scandinavian Airlines
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Mon, 15 Sep - Mon, 20 Oct
 Logo
06:30 - 13:20LHR-BOS
11h 50m1 stop
 Logo
19:20 - 07:05BOS-LHR
6h 45mdirect
€414
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Wed, 3 Dec - Tue, 9 Dec

United Airlines flights from London Heathrow Airport to Boston

Our best United Airlines deals on London Heathrow Airport to Boston flight tickets
United Airlines
12 Sept
LHR08:40London Heathrow
11h 45m
1 stop
BOS15:25Boston Logan Intl
16 Sept
BOS16:25Boston Logan Intl
9h 50m
1 stop
LHR07:15London Heathrow
United Airlines
13 Nov
LHR07:40London Heathrow
15h 22m
2 stops
BOS18:02Boston Logan Intl
20 Nov
BOS11:59Boston Logan Intl
13h 41m
2 stops
LHR06:40London Heathrow
United Airlines
6 Sept
LHR07:25London Heathrow
15h 15m
1 stop
BOS17:40Boston Logan Intl
15 Sept
BOS19:12Boston Logan Intl
10h 28m
1 stop
LHR10:40London Heathrow

JetBlue flights from London Heathrow Airport to Boston

Our best JetBlue deals on London Heathrow Airport to Boston flight tickets
JetBlue
12 Sept
LHR08:25London Heathrow
7h 32m
BOS10:57Boston Logan Intl
15 Sept
BOS05:15Boston Logan Intl
10h 30m
1 stop
LHR20:45London Heathrow
JetBlue
15 Aug
LHR08:25London Heathrow
7h 39m
BOS11:04Boston Logan Intl
18 Aug
BOS05:14Boston Logan Intl
10h 31m
1 stop
LHR20:45London Heathrow
JetBlue
5 Nov
LHR09:20London Heathrow
7h 50m
BOS12:10Boston Logan Intl
17 Nov
BOS13:40Boston Logan Intl
14h 50m
1 stop
LHR09:30London Heathrow

See travel insights to Boston from

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport and Boston?

What is the cheapest month to fly to Boston?

The month of February is, on average, the cheapest month to fly to Boston from London Heathrow Airport, with most prices found around €460. The month of September is another great option to travel to Boston, with average flight prices from London Heathrow Airport averaging around €462.

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

The cheapest day to depart from London Heathrow Airport to Boston is on a Tuesday when prices can be found for as low as €777. Flights from London Heathrow Airport to Boston on a Monday will generally be more expensive and average around €1,059. 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 Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as €513 when looking at flights departing in the morning. Flights in the evening are often more expensive, with an average ticket price of €1,047.

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

Fly from London Heathrow to Boston Logan Intl for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around €535 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 Heathrow Airport for as low as €490 on momondo.

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

There are 2 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Boston flights?

You could potentially save up to 42% on your flight if you consider stops on a London Heathrow Airport to Boston flight.

How have London Heathrow Airport to Boston flight prices changed over time?

As of July 2025, prices for London Heathrow Airport to Boston flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Boston (LHR to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Boston

Best price found

€314

Fastest flight time

7h 32m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from London Heathrow Airport in the past 72 hours is €314. The best return flight deal from London Heathrow Airport to Boston found on momondo in the last 72 hours is €377.
The fastest flight from London Heathrow Airport to Boston takes 7h 32m
Direct flights go from London Heathrow Airport to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)

  • How far is London Heathrow to Boston Logan Intl by plane?

    The straight-line distance from London Heathrow to Boston Logan Intl is 5240.1 km. By plane, this route typically takes 7h 32m.

  • When did momondo last update prices for flights from London Heathrow Airport to Boston Logan Intl Airport?

    Prices for flights from London Heathrow Airport to Boston Logan Intl Airport are updated daily.

  • How old do you have to be to fly from London Heathrow Airport to Boston Logan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport 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 Heathrow Airport to Boston?


Travelling to a place near Boston?

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

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?

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?

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.


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