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$453+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 Wednesday or Thursday 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 July 3, 2025.

Round-trip from

$497
(Air Canada)

One-way from

$453
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$807

Good round-trip deal

$589 or less

Good one-way deal

$556 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. 12% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Air Canada deal was found by Cheapflights users on 7/2. 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 8/286:50 amLHR - BOS
2 stops12h 45mMultiple Airlines
Sun 9/76:30 pmBOS - LHR
1 stop10h 05mMultiple Airlines
Deal found 7/2$497
This Lufthansa deal was found by Cheapflights users on 7/1. 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.
Sat 8/309:00 amLHR - BOS
1 stop13h 40mLufthansa
Thu 9/48:05 pmBOS - LHR
1 stop16h 00mLufthansa
Deal found 7/1$499
This SmartFares deal was found by Cheapflights users on 7/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:15 pmLHR - BOS
Nonstop7h 45mVirgin Atlantic
Tue 9/210:45 pmBOS - LHR
Nonstop6h 45mVirgin Atlantic
Deal found 7/1$501
This Austrian Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 9/296:00 amLHR - BOS
1 stop12h 50mAustrian Airlines
Fri 10/312:21 pmBOS - LHR
2 stops19h 44mAustrian Airlines
Deal found 7/3$502
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/286:50 amLHR - BOS
2 stops17h 05mUnited Airlines
Thu 9/46:00 amBOS - LHR
1 stop9h 40mUnited Airlines
Deal found 7/1$503
This Travelis deal was found by Cheapflights users on 7/2. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:00 pmLHR - BOS
1 stop10h 59mFinnair
Mon 8/255:59 pmBOS - LHR
1 stop12h 06mFinnair
Deal found 7/2$509
This Air Canada deal was found by Cheapflights users on 7/3. 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 8/286:50 amLHR - BOS
2 stops12h 45mAir Canada
Sun 9/73:15 pmBOS - LHR
1 stop10h 15mAir Canada
Deal found 7/3$511
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/3. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:00 amLHR - BOS
1 stop13h 20mTAP AIR PORTUGAL
Sun 8/3110:20 pmBOS - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 7/3$512
This Netflights deal was found by Cheapflights users on 7/2. 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.
Tue 8/58:55 amLHR - BOS
Nonstop7h 25mBritish Airways
Tue 8/127:45 pmBOS - LHR
Nonstop6h 35mBritish Airways
Deal found 7/2$517
This Delta deal was found by Cheapflights users on 7/1. 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.
Mon 8/258:40 amLHR - BOS
1 stop12h 55mDelta
Tue 9/27:05 pmBOS - LHR
Nonstop6h 40mDelta
Deal found 7/1$523
This Air France deal was found by Cheapflights users on 7/1. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/279:00 amLHR - BOS
1 stop11h 05mAir France
Wed 9/37:05 pmBOS - LHR
Nonstop6h 40mAir France
Deal found 7/1$529
This Brussels Airlines deal was found by Cheapflights users on 7/3. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:50 amLHR - BOS
2 stops18h 20mBrussels Airlines
Mon 10/279:40 pmBOS - LHR
2 stops15h 25mBrussels Airlines
Deal found 7/3$546

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 3, 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

Thu 8/28

6:50 am-2:35 pm

2 stops12h 45m

Boston Logan Intl

Sun 9/7

6:30 pm-9:35 am

1 stop10h 05m

$497

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 8/30

9:00 am-5:40 pm

1 stop13h 40m

Boston Logan Intl

Thu 9/4

8:05 pm-5:05 pm

1 stop16h 00m

$499

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/25

6:15 pm-9:00 pm

Nonstop7h 45m

Boston Logan Intl

Tue 9/2

10:45 pm-10:30 am

Nonstop6h 45m

$501

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 9/29

6:00 am-1:50 pm

1 stop12h 50m

Boston Logan Intl

Thu 10/30

2:21 pm-9:40 pm

2 stops27h 19m

$502

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 8/28

6:50 am-5:34 pm

2 stops15h 44m

Boston Logan Intl

Thu 9/4

6:00 am-8:40 pm

1 stop9h 40m

$503

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/18

5:00 pm-10:59 pm

1 stop10h 59m

Boston Logan Intl

Mon 8/25

5:59 pm-11:05 am

1 stop12h 06m

$509

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 8/28

6:50 am-2:35 pm

2 stops12h 45m

Boston Logan Intl

Sun 9/7

3:15 pm-6:30 am

1 stop10h 15m

$511

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 8/24

6:00 am-2:20 pm

1 stop13h 20m

Boston Logan Intl

Sun 8/31

10:20 pm-6:50 pm

1 stop15h 30m

$512

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 8/5

8:55 am-11:20 am

Nonstop7h 25m

Boston Logan Intl

Tue 8/12

7:45 pm-7:20 am

Nonstop6h 35m

$517

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/25

8:40 am-4:35 pm

1 stop12h 55m

Boston Logan Intl

Tue 9/2

7:05 pm-6:45 am

Nonstop6h 40m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 19 results
1
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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 27, 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 July 3, 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 9% 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 29, 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 July 3, 2025.

The most flights from LHR to BOS are scheduled on a Wednesday (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).

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 3, 2025.
Peruse reviews from past customers who have flown with Delta, Austrian Airlines, and Finnair 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
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
809 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,306 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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 30 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, Lufthansa ($499), Virgin Atlantic ($501), and Austrian Airlines ($502) offers the cheapest pricing from London Heathrow Airport to Boston. Lufthansa is currently priced 20% 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 $466 on Icelandair. Other airlines that offer cheap prices include JetBlue from $468 and Aer Lingus from $471 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 (92%), Air France (92%), Delta( 92%).

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

    The cheapest flight price from London Heathrow Airport to Boston is $476. On average you can expect to pay $2,326. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for $385.

  • 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
Seabrook
Waltham
Framingham
Cranston
Randolph
Chestnut Hill
Chelsea
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea
Lincoln
Quincy

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$341Average$535FlexibilityNo cancel feeOn-time77%
FinnairCheapest$431Average$647FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$452Average$916FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$454Average$558FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$454Average$477FlexibilityNo cancel feeOn-time76%
IberiaCheapest$482Average$635FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$483Average$643FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$488Average$890FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$492Average$634FlexibilityNo cancel feeOn-time71%
KLMCheapest$501Average$578FlexibilityNo cancel feeOn-time75%

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