Boston

$466+ Cheap flights from Heathrow (LHR) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
mai 23 — mai 301
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Find cheap flights from Heathrow to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from London Heathrow to Boston Logan Intl are usually found in September or February, booked 56 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to Boston

Cheapest flights from Heathrow to Boston
Explore the most affordable flight options available from Heathrow to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on avril 23, 2026.

This LEVEL deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/188:50 pm
LHR
-
BOS
1 stop29h 15m
LEVEL
mar. 5/2610:50 pm
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 4/20$553
This LEVEL deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/198:50 pm
LHR
-
BOS
1 stop29h 15m
LEVEL
mer. 7/811:00 pm
BOS
-
LHR
1 stop16h 05m
LEVEL
Deal found 4/19$555
This deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/55:35 pm
LHR
-
BOS
Nonstop7h 30m
British Airways
lun. 9/77:25 am
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 4/20$560
This deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/311:45 am
LHR
-
BOS
1 stop12h 53m
Delta
ven. 5/227:00 pm
BOS
-
LHR
Nonstop6h 45m
Delta
Deal found 4/21$562
This deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/138:10 pm
LHR
-
BOS
Nonstop7h 25m
British Airways
dim. 5/249:55 pm
BOS
-
LHR
Nonstop6h 45m
British Airways
Deal found 4/19$563
This deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/165:35 pm
LHR
-
BOS
Nonstop7h 30m
British Airways
mar. 5/267:25 am
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 4/19$564
This LEVEL deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/279:55 am
LHR
-
BOS
1 stop16h 00m
LEVEL
mar. 11/310:40 pm
BOS
-
LHR
1 stop29h 30m
LEVEL
Deal found 4/19$566
This deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/148:10 pm
LHR
-
BOS
Nonstop7h 25m
British Airways
lun. 5/257:30 pm
BOS
-
LHR
Nonstop6h 40m
British Airways
Deal found 4/22$573
This deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/188:10 pm
LHR
-
BOS
Nonstop7h 25m
British Airways
jeu. 10/227:25 am
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 4/20$574
This deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/154:20 pm
LHR
-
BOS
1 stop12h 17m
Delta
ven. 5/227:00 pm
BOS
-
LHR
Nonstop6h 45m
Delta
Deal found 4/22$575
This LEVEL deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/198:50 pm
LHR
-
BOS
1 stop29h 15m
LEVEL
mar. 5/2610:50 pm
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 4/19$577

Find flight deals from Heathrow to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated avril 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$553
(LEVEL)

One-way from

$466
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$676

Good round-trip deal

$728 or less

Good one-way deal

$576 or less
Provider with most accurate pricing for London Heathrow-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for London Heathrow-Boston Logan Intl flights.
From London Heathrow to Boston Logan Intl
One-way flight from London Heathrow to Boston Logan Intl
Highest demand for flights based on searches. 4% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from London Heathrow to Boston Logan Intl.
Price to beat on a one-way flight from London Heathrow to Boston Logan Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 23, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

dim. 9/20

9:55 am-10:05 pm

1 stop17h 10m

Boston Logan Intl

dim. 9/27

11:50 pm-9:10 am

1 stop28h 20m

$588

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

lun. 6/22

8:40 am-6:30 pm

1 stop14h 50m

Boston Logan Intl

mar. 7/7

11:10 pm-10:40 am

Nonstop6h 30m

$720

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

lun. 9/7

7:35 am-11:41 pm

2 stops21h 06m

Boston Logan Intl

mer. 9/9

1:00 pm-9:40 pm

1 stop27h 40m

$724

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

lun. 7/20

4:05 pm-6:50 pm

Nonstop7h 45m

Boston Logan Intl

mer. 9/2

6:00 am-8:10 pm

1 stop9h 10m

$731

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

jeu. 10/1

8:40 am-4:36 pm

1 stop12h 56m

Boston Logan Intl

mar. 10/6

9:30 pm-9:15 am

Nonstop6h 45m

$737

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

jeu. 7/2

6:15 am-2:55 pm

1 stop13h 40m

Boston Logan Intl

lun. 7/6

9:05 am-6:45 am

1 stop16h 40m

$739
Quickest round-trip

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

mar. 6/23

4:05 pm-6:50 pm

Nonstop7h 45m

Boston Logan Intl

mer. 7/1

11:10 pm-10:40 am

Nonstop6h 30m

$745

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

jeu. 9/17

9:40 am-12:17 pm

Nonstop7h 37m

Boston Logan Intl

mar. 9/22

9:30 pm-9:15 am

Nonstop6h 45m

$746

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

dim. 5/24

9:40 am-12:10 pm

Nonstop7h 30m

Boston Logan Intl

dim. 5/31

7:00 pm-6:45 am

Nonstop6h 45m

$749

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

jeu. 8/6

4:05 pm-6:50 pm

Nonstop7h 45m

Boston Logan Intl

mar. 8/11

7:10 pm-6:45 am

Nonstop6h 35m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Heathrow to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Boston in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Boston

How far ahead should I book a flight from London Heathrow Airport to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Boston. Price data was last updated on April 17, 2026.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Boston?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of $541). Flying from London Heathrow Airport to Boston in December is currently the most expensive (average of $735). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to BOS?

Find hourly flight availability from Heathrow to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated avril 23, 2026.

One of the essential ways to save on airfare from London Heathrow Airport to Boston is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 18% on airfare.

What is the cheapest day to fly from London Heathrow Airport to Boston?

Use this chart to determine the cheapest time to fly round-trip from Heathrow to Boston. Price data was last updated on April 18, 2026.

Travelers seeking maximum savings on their London Heathrow Airport to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from London Heathrow Airport to Boston?

The best insider tips for London Heathrow Airport to Boston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Boston trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Blane Bachelor

Blane Bachelor

Expert on Virgin Atlantic

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Ramsey Qubein

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Paul Rubio

Paul Rubio

Expert on BOS

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated avril 23, 2026.
Peruse reviews from past customers who have flown with Delta,Virgin Atlantic, andJetBlue from London Heathrow Airport to Boston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Boston from London Heathrow?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Boston. 10 airlines have flights to Logan Intl from London Heathrow on a regular basis. Booking flights from London Heathrow to Boston Logan Intl should not be difficult; the airport handles an average of 29 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to Boston?

    Airlines like LEVEL, Delta, and British Airways fly from London Heathrow Airport to Boston in about 14h 50m. The time it takes to get you to your destination can typically vary by up to 6h 16m. The distance between London Heathrow Airport and Boston is about 3254 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from London Heathrow Airport to Boston round-trip?

    According to our current data, Finnair ($263), Icelandair ($401), and Iberia ($428) offers the cheapest pricing from London Heathrow Airport to Boston. Finnair is currently priced 59% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to Boston one-way?

    One-way options have recently been found by users for as low as $354 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Icelandair from $390 and American Airlines from $411 one-way.

  • What are the most reliable airlines from London Heathrow Airport to Boston?

    Before booking your flight to Boston from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: KLM (81%), Gulf Air (80%), Scandinavian Airlines( 79%).

  • What are the cheapest flights from London Heathrow Airport to Boston?

    The cheapest flight price from London Heathrow Airport to Boston is $484. On average you can expect to pay $1,549. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for $485.

  • Can I find deals for flights from Heathrow to Boston that include hotel bookings?

    Yes. In addition to deals on Heathrow to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Boston.

  • Can I find deals for business class flights from Heathrow to Boston?

    Yes. Cheapflights offers flight deals from Heathrow to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Boston?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of $541). Flying from London Heathrow Airport to Boston in December is currently the most expensive (average of $735). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
Seabrook
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Waltham
Lowell
Braintree

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to Boston

Discover the top 10 airlines that operate flights from Heathrow to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated avril 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$263Average$584FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$401Average$604FlexibilityNo cancel feeOn-time76%
IberiaCheapest$428Average$643FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$478Average$942FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$481Average$658FlexibilityNo cancel feeOn-time70%
DeltaCheapest$481Average$753FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$486Average$780FlexibilityNo cancel feeOn-time71%
KLMCheapest$517Average$726FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$592Average$792FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$601Average$736FlexibilityNo cancel feeOn-time77%

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