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$455+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 85 days in advance, depart on a Thursday 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 June 12, 2025.

Round-trip from

$498
(American Airlines)

One-way from

$455
(Justfly.com)

Popular in

July

Cheapest in

February

Average price

$625

Good round-trip deal

$539 or less

Good one-way deal

$527 or less
From London Heathrow to Boston Logan Intl
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One-way flight from London Heathrow to Boston Logan Intl
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Highest demand for flights based on searches. 16% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/182:10 pmLHR - BOS
1 stop13h 09mAmerican Airlines
Wed 12/32:24 pmBOS - LHR
1 stop11h 26mAmerican Airlines
Deal found 6/10$498
This Finnair deal was found by Cheapflights users on 6/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:55 amLHR - BOS
Nonstop7h 20mMultiple Airlines
Mon 6/237:40 pmBOS - LHR
1 stop10h 25mMultiple Airlines
Deal found 6/11$500
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/811:30 amLHR - BOS
1 stop13h 20mBritish Airways
Tue 9/304:30 pmBOS - LHR
1 stop9h 20mBritish Airways
Deal found 6/11$501
This TravelUp deal was found by Cheapflights users on 6/10. 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.
Mon 7/146:15 pmLHR - BOS
Nonstop7h 45mVirgin Atlantic
Mon 7/2110:45 pmBOS - LHR
Nonstop6h 45mVirgin Atlantic
Deal found 6/10$502
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:30 amLHR - BOS
1 stop12h 00mDelta
Mon 12/17:20 pmBOS - LHR
Nonstop6h 45mDelta
Deal found 6/10$504
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:55 amLHR - BOS
1 stop16h 20mIberia
Wed 9/108:10 pmBOS - LHR
Nonstop6h 40mIberia
Deal found 6/11$505
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:10 pmLHR - BOS
2 stops34h 34mFinnair
Mon 11/1010:00 pmBOS - LHR
Nonstop6h 30mFinnair
Deal found 6/10$506
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:30 pmLHR - BOS
1 stop25h 05mScandinavian Airlines
Tue 9/305:40 pmBOS - LHR
1 stop19h 00mScandinavian Airlines
Deal found 6/10$507
This Austrian Airlines deal was found by Cheapflights users on 6/12. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/116:00 amLHR - BOS
1 stop12h 50mAustrian Airlines
Fri 7/251:02 pmBOS - LHR
1 stop12h 43mAustrian Airlines
Deal found 6/12$546
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:50 amLHR - BOS
2 stops12h 40mAir Canada
Wed 10/2912:55 pmBOS - LHR
2 stops14h 15mAir Canada
Deal found 6/11$557
This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/191:30 pmLHR - BOS
1 stop11h 40mLufthansa
Sat 7/55:50 pmBOS - LHR
1 stop10h 50mLufthansa
Deal found 6/12$564
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:40 pmLHR - BOS
1 stop18h 55mIcelandair
Mon 1/58:00 pmBOS - LHR
1 stop9h 50mIcelandair
Deal found 6/10$577

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 June 12, 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 6/23

9:45 am-5:17 pm

1 stop12h 32m

Boston Logan Intl

Mon 7/14

7:10 am-9:40 pm

1 stop9h 30m

$498

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 9/8

11:30 am-7:50 pm

1 stop13h 20m

Boston Logan Intl

Tue 9/30

4:30 pm-6:50 am

1 stop9h 20m

$501

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 7/14

6:15 pm-9:00 pm

Nonstop7h 45m

Boston Logan Intl

Mon 7/21

10:45 pm-10:30 am

Nonstop6h 45m

$502

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 9/12

9:50 am-3:30 pm

1 stop10h 40m

Boston Logan Intl

Sat 9/20

6:35 pm-9:05 am

1 stop9h 30m

$503

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 9/3

9:55 am-9:15 pm

1 stop16h 20m

Boston Logan Intl

Thu 9/11

7:40 pm-7:20 am

Nonstop6h 40m

$505

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 11/2

6:10 pm-11:44 pm

2 stops34h 34m

Boston Logan Intl

Tue 11/11

10:00 pm-9:30 am

Nonstop6h 30m

$506

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 9/19

5:00 pm-3:35 pm

1 stop27h 35m

Boston Logan Intl

Sun 9/28

5:40 pm-5:40 pm

1 stop19h 00m

$507

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 8/30

6:30 am-1:35 pm

1 stop12h 05m

Boston Logan Intl

Mon 9/29

10:45 pm-10:30 am

Nonstop6h 45m

$511

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 6/23

11:30 am-7:50 pm

1 stop13h 20m

Boston Logan Intl

Fri 7/4

7:40 pm-7:20 am

Nonstop6h 40m

$513

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 9/22

9:00 am-3:05 pm

1 stop11h 05m

Boston Logan Intl

Sat 9/27

7:05 pm-6:45 am

Nonstop6h 40m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 26 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 June 9, 2025.

Booking 85 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 June is currently the most expensive (average of $306). 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 June 12, 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 June 8, 2025.

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

Weekly flight availability from London Heathrow Airport to Boston

Explore weekly flight availability from Heathrow to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from LHR to BOS are scheduled on a Monday (36 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
To help decide which airline to fly from London to Boston, see what other customers have to say about Delta, KLM and Austrian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 12 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.

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

    According to our current data, American Airlines ($498), British Airways ($501), and Virgin Atlantic ($502) offers the cheapest pricing from London Heathrow Airport to Boston. American Airlines is currently priced 21% 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 $455 on Aer Lingus. Other airlines that offer cheap prices include Scandinavian Airlines from $464 and Iberia from $469 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: Scandinavian Airlines (95%), KLM (94%), Air France( 94%).

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

    The cheapest flight price from London Heathrow Airport to Boston is $435. On average you can expect to pay $1,867. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for $414.

  • 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 June is currently the most expensive (average of $306). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

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.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$341Average$535FlexibilityNo cancel feeOn-time77%
FinnairCheapest$404Average$618FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$454Average$558FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$454Average$473FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$486Average$643FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$492Average$630FlexibilityNo cancel feeOn-time71%
KLMCheapest$501Average$584FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$516Average$890FlexibilityNo cancel feeOn-time62%
DeltaCheapest$528Average$732FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$530Average$637FlexibilityNo cancel feeOn-time77%

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