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$451+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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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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Cheapflights Tip: The best prices from London Heathrow to Boston Logan Intl are usually found in February or October, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

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 July 17, 2026.

This oojo deal was found by Cheapflights users on 7/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:15 pm
LHR
-
BOS
1 stop10h 35m
Icelandair
Tue 12/157:50 pm
BOS
-
LHR
1 stop18h 40m
Icelandair
Deal found 7/15$573
This oojo deal was found by Cheapflights users on 7/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:05 pm
LHR
-
BOS
1 stop10h 45m
Icelandair
Tue 10/208:50 pm
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 7/15$574
This oojo deal was found by Cheapflights users on 7/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:35 pm
LHR
-
BOS
1 stop26h 15m
Icelandair
Mon 11/237:50 pm
BOS
-
LHR
1 stop10h 00m
Icelandair
Deal found 7/15$575
This Trip.com deal was found by Cheapflights users on 7/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:20 am
LHR
-
BOS
1 stop14h 00m
TAP AIR PORTUGAL
Sat 10/246:05 pm
BOS
-
LHR
1 stop13h 20m
TAP AIR PORTUGAL
Deal found 7/16$576
This TravelUp deal was found by Cheapflights users on 7/13. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:25 pm
LHR
-
BOS
1 stop26h 25m
Icelandair
Tue 10/138:50 pm
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 7/13$577
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Wed 9/168:50 pm
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 7/15$578
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Tue 9/18:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 7/13$579
This oojo deal was found by Cheapflights users on 7/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:05 pm
LHR
-
BOS
1 stop10h 45m
Icelandair
Thu 10/158:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 7/15$580
This The Travel House deal was found by Cheapflights users on 7/13. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:05 pm
LHR
-
BOS
1 stop13h 40m
Icelandair
Thu 9/108:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 7/13$582
This TravelUp deal was found by Cheapflights users on 7/13. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:05 pm
LHR
-
BOS
1 stop13h 40m
Icelandair
Tue 9/811:00 pm
BOS
-
LHR
1 stop16h 20m
Icelandair
Deal found 7/13$583

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 July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$573
(oojo)

One-way from

$451
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$720

Good round-trip deal

$629 or less

Good one-way deal

$526 or less
Provider with most accurate pricing for London Heathrow-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Boston Logan Intl flights.
Search Deals
From London Heathrow to Boston Logan Intl
Search Deals
One-way flight from London Heathrow to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from London Heathrow to Boston Logan Intl.
Search Deals

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 July 17, 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

Thu 12/10

8:15 am-7:55 pm

1 stop16h 40m

Boston Logan Intl

Sun 12/13

10:45 pm-5:30 pm

2 stops13h 45m

$630

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 10/25

8:05 pm-9:20 pm

1 stop29h 15m

Boston Logan Intl

Sat 10/31

10:50 pm-1:00 pm

1 stop10h 10m

$650

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 10/20

1:50 pm-7:55 pm

1 stop11h 05m

Boston Logan Intl

Sat 10/24

12:36 pm-7:40 am

2 stops14h 04m

$652

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 10/24

8:00 am-8:20 pm

2 stops17h 20m

Boston Logan Intl

Sat 10/31

7:00 pm-11:25 am

1 stop12h 25m

$652

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 8/13

10:50 am-5:40 pm

1 stop11h 50m

Boston Logan Intl

Sun 8/23

5:10 pm-7:55 am

1 stop9h 45m

$656

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 10/6

9:40 am-12:21 pm

Nonstop7h 41m

Boston Logan Intl

Tue 10/20

7:05 pm-6:45 am

Nonstop6h 40m

$667
Quickest round-trip

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 9/7

9:40 am-12:17 pm

Nonstop7h 37m

Boston Logan Intl

Wed 9/16

7:05 pm-6:45 am

Nonstop6h 40m

$668

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 10/7

8:40 am-4:36 pm

1 stop12h 56m

Boston Logan Intl

Fri 10/16

9:30 pm-9:15 am

Nonstop6h 45m

$668

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 9/17

9:55 am-4:35 pm

1 stop11h 40m

Boston Logan Intl

Tue 9/22

7:05 pm-6:45 am

Nonstop6h 40m

$668

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 10/1

8:40 am-4:36 pm

1 stop12h 56m

Boston Logan Intl

Tue 10/6

9:30 pm-9:15 am

Nonstop6h 45m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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?

Booking 58 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of $564). Flying from London Heathrow Airport to Boston in June is currently the most expensive (average of $836). 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 July 17, 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 20% 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 July 11, 2026.

Travelers seeking maximum savings on their London Heathrow Airport to Boston flight should consider departing on Sunday at noon 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.

Read more
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.

Read more
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.

Read more
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.

Read more

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 July 17, 2026.
Peruse reviews from past customers who have flown with Delta,Virgin Atlantic, andAmerican Airlines 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.
Delta
7.8
Good
8,472 reviews

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
7.8
Good
8,472 reviews
Delta
7.8
Good
8,472 reviews

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Virgin Atlantic
7.5
Good
693 reviews
Delta
7.8
Good
8,472 reviews

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.1
Good
11,815 reviews
Delta
7.8
Good
8,472 reviews

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
JetBlue
7.1
Good
3,012 reviews
Delta
7.8
Good
8,472 reviews

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
British Airways
6.7
Okay
8,121 reviews
Delta
7.8
Good
8,472 reviews

Food

7.2

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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 34 inbound flights from London Heathrow per day.

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

    Airlines like TAP AIR PORTUGAL, SWISS, and United Airlines fly from London Heathrow Airport to Boston in about 11h 05m. The time it takes to get you to your destination can typically vary by up to 18h 10m. 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 60% 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 $427 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: SAUDIA (100%), Scandinavian Airlines (98%), JetBlue( 92%).

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

    The cheapest flight price from London Heathrow Airport to Boston is $454. On average you can expect to pay $2,168. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for $457.

  • 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of $564). Flying from London Heathrow Airport to Boston in June is currently the most expensive (average of $836). 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
Waltham
Randolph
Cambridge
Concord
Brockton
Seekonk
Hampton Beach
Cranston
Dedham
Warwick
Peabody
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Sandwich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Boston flights
Stansted to Boston flights
Luton to Boston flights
Heathrow to Hartford flights
Heathrow to Albany flights
Gatwick to Worcester flights

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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$263Average$703FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$401Average$604FlexibilityNo cancel feeOn-time76%
IberiaCheapest$428Average$712FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$478Average$832FlexibilityNo cancel feeOn-time62%
DeltaCheapest$481Average$808FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$486Average$780FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$500Average$689FlexibilityNo cancel feeOn-time70%
KLMCheapest$517Average$761FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$534Average$791FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$601Average$736FlexibilityNo cancel feeOn-time77%

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