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Cheap flights from London Heathrow Airport to Boston from £223

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 13/5. 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

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Boston.
06:00 - 15:25LHR-BOS
14h 25m1 stop
21:40 - 13:00BOS-LHR
10h 20m1 stop
£305SWISS
Find Deal
Tue, 6 May - Tue, 13 May
10:50 - 17:40LHR-BOS
11h 50m1 stop
22:00 - 14:40BOS-LHR
11h 40m1 stop
£306Lufthansa
Find Deal
Tue, 6 May - Wed, 14 May
20:10 - 22:30LHR-BOS
7h 20mdirect
07:25 - 18:55BOS-LHR
6h 30mdirect
£316British Airways
Find Deal
Tue, 6 May - Tue, 13 May
20:10 - 22:30LHR-BOS
7h 20mdirect
19:40 - 07:20BOS-LHR
6h 40mdirect
£339British Airways
Find Deal
Thu, 1 May - Mon, 5 May
09:55 - 16:25LHR-BOS
11h 30m1 stop
20:15 - 08:05BOS-LHR
6h 50mdirect
£351KLM
Find Deal
Tue, 6 May - Wed, 14 May
09:55 - 16:25LHR-BOS
11h 30m1 stop
19:00 - 06:45BOS-LHR
6h 45mdirect
£352KLM
Find Deal
Wed, 23 Apr - Tue, 29 Apr
09:00 - 15:05LHR-BOS
11h 05m1 stop
20:15 - 08:05BOS-LHR
6h 50mdirect
£360Virgin Atlantic
Find Deal
Mon, 5 May - Mon, 12 May
11:30 - 20:20LHR-BOS
13h 50m1 stop
20:15 - 08:05BOS-LHR
6h 50mdirect
£365Virgin Atlantic
Find Deal
Mon, 21 Apr - Mon, 28 Apr
17:35 - 20:10LHR-BOS
7h 35mdirect
19:40 - 07:20BOS-LHR
6h 40mdirect
£384Finnair
Find Deal
Mon, 21 Apr - Mon, 28 Apr
20:10 - 22:35LHR-BOS
7h 25mdirect
19:40 - 07:20BOS-LHR
6h 40mdirect
£386Finnair
Find Deal
Mon, 21 Apr - Mon, 28 Apr

Austrian Airlines flights from London Heathrow Airport to Boston

Our best Austrian Airlines deals on London Heathrow Airport to Boston flight tickets
Austrian Airlines
22 Apr
LHR19:30London Heathrow
23h 20m
1 stop
BOS13:50Boston Logan Intl
1 May
BOS17:10Boston Logan Intl
23h 30m
1 stop
LHR21:40London Heathrow
Austrian Airlines
14 May
LHR06:00London Heathrow
12h 50m
1 stop
BOS13:50Boston Logan Intl
21 May
BOS11:07Boston Logan Intl
14h 38m
1 stop
LHR06:45London Heathrow
Austrian Airlines
14 May
LHR19:30London Heathrow
26h 51m
2 stops
BOS17:21Boston Logan Intl
21 May
BOS11:07Boston Logan Intl
15h 08m
1 stop
LHR07:15London Heathrow

SWISS flights from London Heathrow Airport to Boston

Our best SWISS deals on London Heathrow Airport to Boston flight tickets
SWISS
6 May
LHR06:00London Heathrow
14h 25m
1 stop
BOS15:25Boston Logan Intl
13 May
BOS21:40Boston Logan Intl
10h 20m
1 stop
LHR13:00London Heathrow
SWISS
24 Apr
LHR13:45London Heathrow
11h 10m
1 stop
BOS19:55Boston Logan Intl
5 May
BOS17:05Boston Logan Intl
13h 20m
1 stop
LHR11:25London Heathrow
SWISS
23 Apr
LHR13:45London Heathrow
11h 10m
1 stop
BOS19:55Boston Logan Intl
29 Apr
BOS21:40Boston Logan Intl
13h 55m
2 stops
LHR16:35London 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?

In general, February is the cheapest month to fly from London Heathrow Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £415. The month of September is another great option to travel to Boston, with average flight prices from London Heathrow Airport averaging around £422.

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 Wednesday when prices can be found for as low as £512. 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 £624. 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 afternoon. Flights from London Heathrow Airport to Boston during this time can be as low as £519. In the evening is when there is more demand to fly to Boston, so prices are often more expensive at around £701 per ticket.

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 24 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around £495 when searching 24 weeks out.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 £464 on momondo.

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

There are 4 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.

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

As of March 2025, prices for London Heathrow Airport to Boston flights are approximately 12% 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

£223

Fastest flight time

7h 15m

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 £223. The best return flight deal from London Heathrow Airport to Boston found on momondo in the last 72 hours is £305.
The fastest flight from London Heathrow Airport to Boston takes 7h 15m
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?

    A flight from London Heathrow to Boston Logan Intl will travel around 3256.0 mi. Typically, this will take 7h 15m by plane in normal conditions.

  • 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 many operators does momondo search for flights from London Heathrow Airport to Boston Logan Intl Airport?

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek 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?

  • What is the most popular airline from London Heathrow Airport to Boston?


Best airlines flying from London Heathrow Airport to Boston

Compare and see reviews for airlines that fly from London Heathrow Airport to Boston with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom £286Free CancellationRating
6.9
97 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom £291Free CancellationRating
7.1
1,827 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom £321Free CancellationRating
7.3
1,325 reviews
Search Scandinavian Airlines flights
KLMPriceFrom £347Free CancellationRating
7.8
1,321 reviews
Search KLM flights
Air FrancePriceFrom £351Free CancellationRating
7.4
1,424 reviews
Search Air France flights
LufthansaPriceFrom £352Free CancellationRating
6.7
6,956 reviews
Search Lufthansa flights
United AirlinesPriceFrom £355Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
IcelandairPriceFrom £355Free CancellationRating
7.0
476 reviews
Search Icelandair flights
Air CanadaPriceFrom £357Free CancellationRating
7.0
8,986 reviews
Search Air Canada flights
British AirwaysPriceFrom £360Free CancellationRating
6.6
6,713 reviews
Search British Airways flights
  • Delta Flights From London Heathrow Airport to Boston

    Delta flight deals from London Heathrow Airport to Boston start from £470 round-trip. Over the 7 Delta flights for this route in a normal week, average airfare is usually £688 round-trip - but some users have found much cheaper deals with momondo.

  • KLM Flights From London Heathrow Airport to Boston

    Across 1,321 KLM reviews on momondo, the average score is 7.8/10. KLM flies from London Heathrow Airport to Boston about 7 times each week, with ticket deals ranging from £449 to £586. Price data is based on momondo searches in the last 72 hours.


Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Salem
Burlington
Cambridge
Braintree
Needham
Plymouth
South Portland
Everett
York Beach
Brookline
Somerville
Warwick
South Yarmouth
Concord
Revere
Hampton
Amesbury
Hull
Chatham
Laconia

Why use momondo?

Why should I use momondo to find a flight deal from London to Boston?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Boston . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Boston with flexible booking policies on momondo?

Yes. All flights to Boston from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

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.


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