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$408+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Boston Logan Intl are usually found in February or September, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 September 16, 2025.

Round-trip from

$455
(The Travel House)

One-way from

$408
(Ovago)

Popular in

December

Cheapest in

February

Average price

$549

Good round-trip deal

$545 or less

Good one-way deal

$568 or less
From London Heathrow to Boston Logan Intl
Search Deals
One-way flight from London Heathrow to Boston Logan Intl
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Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from London Heathrow to Boston Logan Intl.
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Price to beat on a one-way flight from London Heathrow to Boston Logan Intl.
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Find 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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:30 amLHR - BOS
1 stop11h 55mUnited Airlines
Sun 11/303:40 pmBOS - LHR
1 stop10h 30mUnited Airlines
Deal found 9/16$453
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:00 amLHR - BOS
1 stop12h 50mAustrian Airlines
Fri 10/312:10 pmBOS - LHR
1 stop13h 35mAustrian Airlines
Deal found 9/16$454
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:10 amLHR - BOS
1 stop12h 25mUnited Airlines
Mon 1/1212:08 pmBOS - LHR
2 stops14h 02mUnited Airlines
Deal found 9/16$455
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:45 amLHR - BOS
1 stop11h 40mMultiple Airlines
Tue 9/306:30 pmBOS - LHR
1 stop10h 05mMultiple Airlines
Deal found 9/15$456
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:40 amLHR - BOS
1 stop16h 15mUnited Airlines
Tue 9/303:15 pmBOS - LHR
1 stop13h 20mUnited Airlines
Deal found 9/16$457
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:45 amLHR - BOS
1 stop11h 40mUnited Airlines
Mon 10/138:02 pmBOS - LHR
1 stop10h 23mUnited Airlines
Deal found 9/15$458
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:50 amLHR - BOS
2 stops15h 57mUnited Airlines
Mon 9/298:02 pmBOS - LHR
1 stop10h 23mUnited Airlines
Deal found 9/15$459
This Netflights deal was found by Cheapflights users on 9/15. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:25 amLHR - BOS
Nonstop7h 57mJetBlue
Mon 10/136:13 pmBOS - LHR
Nonstop7h 17mJetBlue
Deal found 9/15$460
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:50 amLHR - BOS
1 stop11h 50mUnited Airlines
Wed 10/110:20 amBOS - LHR
1 stop15h 10mUnited Airlines
Deal found 9/16$461
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:30 amLHR - BOS
1 stop11h 25mUnited Airlines
Wed 10/226:30 pmBOS - LHR
1 stop10h 05mUnited Airlines
Deal found 9/15$462
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:30 amLHR - BOS
1 stop11h 55mUnited Airlines
Tue 11/184:20 pmBOS - LHR
2 stops13h 30mUnited Airlines
Deal found 9/15$463
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:10 pmLHR - BOS
1 stop12h 45mUnited Airlines
Mon 10/612:15 pmBOS - LHR
2 stops13h 15mUnited Airlines
Deal found 9/16$464

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 September 16, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Boston that are best for you.

Fly from

Heathrow

Fly to

Boston

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 10/6

6:00 am-1:50 pm

1 stop12h 50m

Boston Logan Intl

Mon 10/13

5:10 pm-2:20 pm

1 stop16h 10m

$460

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 9/26

8:30 am-4:00 pm

1 stop12h 30m

Boston Logan Intl

Fri 10/17

10:20 am-9:35 am

1 stop18h 15m

$462

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 10/29

7:30 am-6:48 pm

2 stops15h 18m

Boston Logan Intl

Wed 11/5

11:59 am-7:10 am

2 stops14h 11m

$469

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 12/11

8:30 am-11:41 pm

2 stops20h 11m

Boston Logan Intl

Tue 12/16

6:00 am-8:35 pm

1 stop9h 35m

$469

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 3/3

12:05 pm-8:20 pm

1 stop13h 15m

Boston Logan Intl

Fri 3/6

6:25 pm-2:05 pm

1 stop14h 40m

$469

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 3/1

7:30 am-5:21 pm

2 stops14h 51m

Boston Logan Intl

Thu 3/12

2:16 pm-10:50 am

1 stop16h 34m

$470

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 2/28

7:30 am-5:21 pm

2 stops14h 51m

Boston Logan Intl

Sat 3/7

6:00 am-6:40 am

1 stop19h 40m

$470

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 9/29

6:50 am-4:22 pm

2 stops14h 32m

Boston Logan Intl

Mon 10/6

6:00 am-8:40 pm

1 stop9h 40m

$470

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 10/31

7:30 am-6:48 pm

2 stops15h 18m

Boston Logan Intl

Fri 11/7

7:54 pm-11:05 am

1 stop10h 11m

$470

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 11/5

6:30 am-1:20 pm

1 stop11h 50m

Boston Logan Intl

Wed 11/12

7:10 pm-6:50 am

Nonstop6h 40m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 results
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The best insider tips for London Heathrow Airport to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Boston trip
Airlines
British Airways

World Traveller Plus offers extra seat width and legroom, ideal for more comfort.


Club Suite features solo pods with a door for privacy, available on most 777s and A350s.

Read more about British Airwaysby Gabriel Leigh
Virgin Atlantic

Economy Delight offers extra legroom, priority boarding, and a checked bag included.


Upper Class provides lie-flat beds and a four-course meal for a premium experience.

Read more about Virgin Atlanticby Blane Bachelor
Airports
LHR

Heathrow's strict security means long lines. Ensure liquids are in one bag and remove suspicious items to avoid delays.

Read more about LHRby Ramsey Qubein
BOS

BOS offers easy access to downtown Boston via rideshares, public transit, and a unique water taxi service.

Read more about BOSby Paul Rubio
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

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

Blane Bachelor

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

Ramsey Qubein

Ramsey Qubein

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

Paul Rubio

Paul Rubio

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

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 September 12, 2025.

Booking 50 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of $218). Flying from London Heathrow Airport to Boston in July is currently the most expensive (average of $311). 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 September 16, 2025.

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 in the afternoon could potentially save you up to 14% 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 September 14, 2025.

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

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 September 16, 2025.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and American 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
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Virgin Atlantic
7.4
Good
664 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
JetBlue
7.2
Good
2,912 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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. 11 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 Austrian Airlines and United Airlines fly from London Heathrow Airport to Boston in about 12h 30m. The time it takes to get you to your destination can typically vary by up to 20m. 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, Scandinavian Airlines ($341), Aer Lingus ($412), and Finnair ($431) offers the cheapest pricing from London Heathrow Airport to Boston. Scandinavian Airlines is currently priced 44% below the average price you’ll pay for this route.

  • 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: Scandinavian Airlines (90%), Gulf Air (89%), KLM( 86%).

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

    The cheapest flight price from London Heathrow Airport to Boston is $482. On average you can expect to pay $2,063. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for $399.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of $218). Flying from London Heathrow Airport to Boston in July is currently the most expensive (average of $311). 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
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Old Orchard Beach
Brockton
Waltham

Browse thousands of different options on Cheapflights for your next trip

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$341Average$535FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$412Average$731FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$431Average$679FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$445Average$477FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$464Average$543FlexibilityNo cancel feeOn-time69%
DeltaCheapest$481Average$765FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$482Average$636FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$488Average$870FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$494Average$638FlexibilityNo cancel feeOn-time71%
IberiaCheapest$545Average$637FlexibilityNo cancel feeOn-time77%

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