Heathrow

$193+ Cheap flights from Boston (BOS) to Heathrow (LHR)

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
dic. 24 — dic. 311
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Find cheap flights from Boston to Heathrow with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Boston Logan Intl to London Heathrow are usually found in October or January, booked 54 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Find flight deals from Boston to Heathrow

Cheapest flights from Boston to Heathrow
Explore the most affordable flight options available from Boston to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 24, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:15 pmBOS - LHR
Nonstop6h 45mIberia
jue. 12/185:00 pmLHR - BOS
1 stop10h 47mIberia
Deal found 11/24$509
This Delta deal was found by Cheapflights users on 11/24. 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.
mié. 12/318:00 pmBOS - LHR
Nonstop6h 50mDelta
lun. 1/121:05 pmLHR - BOS
Nonstop7h 55mDelta
Deal found 11/24$510
This Delta deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/3011:55 pmBOS - LHR
Nonstop6h 30mDelta
vie. 12/51:05 pmLHR - BOS
Nonstop7h 55mDelta
Deal found 11/22$511
This British Airways deal was found by Cheapflights users on 11/23. 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.
dom. 12/77:15 pmBOS - LHR
Nonstop6h 45mBritish Airways
sáb. 12/135:05 pmLHR - BOS
Nonstop7h 40mBritish Airways
Deal found 11/23$512
This Cheapflightsfares deal was found by Cheapflights users on 11/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/274:45 pmBOS - LHR
1 stop10h 40mIberia
mié. 12/31:30 pmLHR - BOS
Nonstop7h 30mIberia
Deal found 11/24$513
This KLM deal was found by Cheapflights users on 11/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/64:46 pmBOS - LHR
1 stop11h 19mMultiple Airlines
vie. 12/124:00 pmLHR - BOS
Nonstop7h 35mMultiple Airlines
Deal found 11/24$515
This Air Canada deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:15 amBOS - LHR
2 stops18h 05mAir Canada
dom. 1/116:00 pmLHR - BOS
2 stops25h 52mAir Canada
Deal found 11/22$516
This United Airlines deal was found by Cheapflights users on 11/24. 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.
mar. 12/23:40 pmBOS - LHR
1 stop10h 30mUnited Airlines
sáb. 12/69:00 amLHR - BOS
2 stops14h 02mUnited Airlines
Deal found 11/24$517
This United Airlines deal was found by Cheapflights users on 11/23. 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.
mié. 12/246:40 pmBOS - LHR
1 stop20h 55mUnited Airlines
vie. 3/201:45 pmLHR - BOS
1 stop11h 15mUnited Airlines
Deal found 11/23$518
This FlightHub deal was found by Cheapflights users on 11/23. 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.
sáb. 12/132:15 pmBOS - LHR
1 stop15h 35mMultiple Airlines
mié. 12/176:00 amLHR - BOS
1 stop19h 20mMultiple Airlines
Deal found 11/23$519
This Virgin Atlantic deal was found by Cheapflights users on 11/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/307:10 pmBOS - LHR
Nonstop6h 40mVirgin Atlantic
vie. 1/98:00 pmLHR - BOS
1 stop17h 28mVirgin Atlantic
Deal found 11/24$520

Cheap flight deals from Boston to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Heathrow (LHR). 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 noviembre 24, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$509
(Air Canada)

One-way from

$193
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$627

Good round-trip deal

$523 or less

Good one-way deal

$308 or less
Provider with most accurate pricing for Boston Logan Intl-London Heathrow flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-London Heathrow flights.
From Boston Logan Intl to London Heathrow
One-way flight from Boston Logan Intl to London Heathrow
Highest demand for flights based on searches. 14% potential increase in price ($109 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Boston Logan Intl to London Heathrow.
Price to beat on a one-way flight from Boston Logan Intl to London Heathrow.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Heathrow 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 noviembre 24, 2025.
Use the filters below to find and compare flights from Boston to London Heathrow Airport that are best for you.

Fly from

Boston

Fly to

Heathrow

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mar. 12/30

7:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

vie. 1/9

9:40 am-12:30 pm

Nonstop7h 50m

$510

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

lun. 2/2

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

mar. 2/10

6:20 am-1:40 pm

1 stop12h 20m

$511

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

sáb. 12/6

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

jue. 12/11

9:40 am-12:30 pm

Nonstop7h 50m

$511

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

sáb. 1/31

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

jue. 2/12

6:20 am-1:40 pm

1 stop12h 20m

$511

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

dom. 12/7

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

jue. 12/11

1:05 pm-4:00 pm

Nonstop7h 55m

$511

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

dom. 2/22

7:15 pm-6:50 am

Nonstop6h 35m

London Heathrow

sáb. 2/28

8:55 am-4:20 pm

1 stop12h 25m

$512

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mié. 1/28

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

sáb. 2/14

8:55 am-4:20 pm

1 stop12h 25m

$512

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

mié. 12/31

6:05 am-8:10 pm

1 stop9h 05m

London Heathrow

vie. 1/9

9:40 am-12:30 pm

Nonstop7h 50m

$514

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

sáb. 12/6

11:53 am-7:10 am

2 stops14h 17m

London Heathrow

sáb. 12/13

9:00 am-5:50 pm

1 stop13h 50m

$515

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

dom. 2/1

5:05 pm-8:05 am

1 stop10h 00m

London Heathrow

dom. 2/15

11:45 am-6:55 pm

1 stop12h 10m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 24 results
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2
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Compare providers for flights from Boston to Heathrow

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 Boston to Heathrow in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

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

  • Most accurate provider: When it comes to deals on Boston-London Heathrow Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Boston-London Heathrow Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Boston-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-London Heathrow Airport flights, Cheapflights users trust CheapOair the most. CheapOair 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 Boston-London Heathrow Airport 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 Boston to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Boston 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 Boston to London Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Heathrow. Price data was last updated on November 21, 2025.

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to London Heathrow Airport. 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 Boston to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of $387). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of $595). 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 BOS to LHR?

Find hourly flight availability from Boston to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 24, 2025.

When flying from Boston to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 5% versus a flight in the evening.

The best insider tips for Boston to London Heathrow Airport 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 Boston to London Heathrow Airport trip
Airports
BOS

Use the FlyLogan App to pre-order food and access premium Wi-Fi, enhancing your departure experience from BOS.

LHR

Take the Heathrow Express for the fastest route to central London, reaching Paddington Station quickly and conveniently.

Our travel experts
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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated noviembre 24, 2025.
See what other customers who have flown with Delta, Virgin Atlantic, and American Airlines from Boston to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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

Related info for your journey

Find useful and relevant information for your journey from Boston to Heathrow. 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 from for flights from Boston to London Heathrow?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to London Heathrow. 17 airlines have flights from Logan Intl to London Heathrow on a regular basis. Booking flights from Boston Logan Intl to London Heathrow should not be difficult; the airport handles an average of 28 outbound flights to London Heathrow per day.

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

    There are many flights that can get you from Boston to London Heathrow Airport in 6h 40m. Fly via Delta to get the fastest option. Airlines will cover a distance of 3254 mi. All flights are typically nonstop.

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

    According to our current data, SWISS ($290), JetBlue ($332), and TAP AIR PORTUGAL ($367) offers the cheapest pricing from Boston to London Heathrow Airport. SWISS is 54% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to London Heathrow Airport from Boston, check out the most reliable airlines to get you to your destination on time: Air France (87%), Malaysia Airlines (87%), KLM( 87%).

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

    The cheapest flight price from Boston to London Heathrow Airport is $199. On average you can expect to pay $1,921. The most popular route, (Boston Logan Intl - London Heathrow), can usually be booked for $390.

  • Where are the most common layover locations when flying from Boston to London Heathrow Airport?

  • What are some popular things to do or see while on a layover in Reykjavik?

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Hallgrímskirkja, Harpa and Laugardalslaug Geothermal Pool are located about 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $48 per day.

  • Where are the least popular layover locations for Boston to London Heathrow Airport flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Heathrow 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 Boston to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of $387). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of $595). 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Boston to Heathrow

Discover the top 10 airlines that operate flights from Boston to Heathrow. 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 noviembre 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$290Average$622FlexibilityNo cancel feeOn-time79%
JetBlueCheapest$332Average$623FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$367Average$450FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$387Average$584FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$391Average$616FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$393Average$657FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$393Average$622FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$400Average$653FlexibilityNo cancel feeOn-time72%
DeltaCheapest$402Average$676FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$433Average$640FlexibilityNo cancel feeOn-time67%

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