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Cheap flights from London Heathrow Airport to Boston from €382

This is the cheapest return 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 3/11. 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

United Airlines Logo
07:40 - 18:02LHR-BOS
15h 22m2 stops
United Airlines Logo
15:10 - 07:55BOS-LHR
11h 45m1 stop
€382United Airlines
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Mon, 3 Nov - Sat, 8 Nov
United Airlines Logo
08:40 - 15:25LHR-BOS
11h 45m1 stop
United Airlines Logo
10:20 - 06:30BOS-LHR
15h 10m1 stop
€383United Airlines
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Wed, 1 Oct - Fri, 10 Oct
SWISS Logo
06:00 - 15:25LHR-BOS
14h 25m1 stop
SWISS Logo
21:40 - 17:50BOS-LHR
15h 10m1 stop
€385SWISS
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Mon, 6 Oct - Thu, 16 Oct
SWISS Logo
06:00 - 15:25LHR-BOS
14h 25m1 stop
SWISS Logo
21:40 - 16:25BOS-LHR
13h 45m1 stop
€385SWISS
Find Deal
Mon, 6 Oct - Thu, 16 Oct
Austrian Airlines Logo
19:25 - 14:05LHR-BOS
23h 40m1 stop
Austrian Airlines Logo
13:30 - 08:25BOS-LHR
13h 55m1 stop
€386Austrian Airlines
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Mon, 3 Nov - Sun, 9 Nov
Austrian Airlines Logo
06:00 - 17:54LHR-BOS
16h 54m2 stops
Austrian Airlines Logo
12:40 - 11:25BOS-LHR
17h 45m1 stop
€390Austrian Airlines
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Thu, 9 Oct - Mon, 13 Oct
Lufthansa Logo
09:00 - 17:40LHR-BOS
13h 40m1 stop
Lufthansa Logo
20:05 - 15:40BOS-LHR
14h 35m1 stop
€391Lufthansa
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Tue, 2 Sep - Thu, 11 Sep
Scandinavian Airlines Logo
06:40 - 15:35LHR-BOS
13h 55m1 stop
Scandinavian Airlines Logo
17:40 - 14:35BOS-LHR
15h 55m2 stops
€393Scandinavian Airlines
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Mon, 15 Sep - Mon, 20 Oct
Scandinavian Airlines Logo
21:05 - 15:35LHR-BOS
23h 30m2 stops
Scandinavian Airlines Logo
17:40 - 14:35BOS-LHR
15h 55m2 stops
€399Scandinavian Airlines
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Mon, 15 Sep - Mon, 20 Oct
Lufthansa Logo
09:00 - 17:40LHR-BOS
13h 40m1 stop
Lufthansa Logo
20:05 - 20:45BOS-LHR
19h 40m1 stop
€423Lufthansa
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Sat, 30 Aug - Fri, 5 Sep

United Airlines flights from London Heathrow Airport to Boston

Our best United Airlines deals on London Heathrow Airport to Boston flight tickets
United Airlines
3 Nov
LHR07:40London Heathrow
15h 22m
2 stops
BOS18:02Boston Logan Intl
8 Nov
BOS15:10Boston Logan Intl
11h 45m
1 stop
LHR07:55London Heathrow
United Airlines
1 Oct
LHR08:40London Heathrow
11h 45m
1 stop
BOS15:25Boston Logan Intl
10 Oct
BOS10:20Boston Logan Intl
15h 10m
1 stop
LHR06:30London Heathrow
United Airlines
11 Sept
LHR08:40London Heathrow
11h 45m
1 stop
BOS15:25Boston Logan Intl
14 Sept
BOS10:20Boston Logan Intl
15h 10m
1 stop
LHR06:30London Heathrow

SWISS flights from London Heathrow Airport to Boston

Our best SWISS deals on London Heathrow Airport to Boston flight tickets
SWISS
6 Oct
LHR06:00London Heathrow
14h 25m
1 stop
BOS15:25Boston Logan Intl
17 Oct
BOS17:05Boston Logan Intl
19h 45m
1 stop
LHR17:50London Heathrow
SWISS
6 Oct
LHR06:00London Heathrow
14h 25m
1 stop
BOS15:25Boston Logan Intl
16 Oct
BOS21:40Boston Logan Intl
13h 45m
1 stop
LHR16:25London Heathrow
SWISS
28 Aug
LHR06:00London Heathrow
14h 25m
1 stop
BOS15:25Boston Logan Intl
9 Sept
BOS17:05Boston Logan Intl
19h 45m
1 stop
LHR17:50London 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 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 €456. The month of September is another great option to travel to Boston, with average flight prices from London Heathrow Airport averaging around €459.

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 €770. Flights from London Heathrow Airport to Boston on a Monday will generally be more expensive and average around €1,050. 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 €509 when looking at flights departing in the morning. Flights in the evening are often more expensive, with an average ticket price of €1,038.

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 €536 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 €485 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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Boston.

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 4% 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

€513

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 €513. The best return flight deal from London Heathrow Airport to Boston found on momondo in the last 72 hours is €382.
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 45m.

  • 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
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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Fri 11/7
Fri 18/7

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