Heathrow

$208+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
Feb 7 — Feb 141
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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 August, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 January 8, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$498
(Cheapflightsfares)

One-way from

$208
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$579

Good round-trip deal

$528 or less

Good one-way deal

$289 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 ($108 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in January 2026
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.

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 January 8, 2026.

This Iberia deal was found by Cheapflights users on 1/6. 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.
Thu 9/108:15 pmBOS - LHR
Nonstop6h 45mIberia
Fri 9/189:15 amLHR - BOS
1 stop11h 55mIberia
Deal found 1/6$498
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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.
Sun 4/269:55 pmBOS - LHR
Nonstop6h 45mBritish Airways
Tue 5/128:10 pmLHR - BOS
Nonstop7h 25mBritish Airways
Deal found 1/6$499
This United Airlines deal was found by Cheapflights users on 1/7. 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 2/136:15 amBOS - LHR
1 stop19h 15mUnited Airlines
Tue 2/179:00 amLHR - BOS
1 stop16h 20mUnited Airlines
Deal found 1/7$500
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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.
Wed 4/226:35 pmBOS - LHR
1 stop9h 30mBritish Airways
Tue 4/285:35 pmLHR - BOS
Nonstop7h 30mBritish Airways
Deal found 1/6$501
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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.
Wed 4/153:17 pmBOS - LHR
1 stop11h 03mBritish Airways
Wed 4/2211:00 amLHR - BOS
Nonstop7h 35mBritish Airways
Deal found 1/7$502
This FlightHub deal was found by Cheapflights users on 1/7. 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.
Fri 3/66:40 pmBOS - LHR
1 stop20h 55mAir Canada
Thu 3/126:50 amLHR - BOS
2 stops16h 22mAir Canada
Deal found 1/7$503
This KLM deal was found by Cheapflights users on 1/8. 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.
Wed 5/67:00 pmBOS - LHR
Nonstop6h 45mKLM
Thu 5/149:55 amLHR - BOS
1 stop11h 38mKLM
Deal found 1/8$504
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/126:55 pmBOS - LHR
1 stop11h 25mUnited Airlines
Thu 2/1911:10 amLHR - BOS
1 stop12h 25mUnited Airlines
Deal found 1/6$505
This JetBlue deal was found by Cheapflights users on 1/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/67:12 pmBOS - LHR
Nonstop6h 43mJetBlue
Sun 2/89:20 amLHR - BOS
Nonstop8h 00mJetBlue
Deal found 1/7$506
This JetBlue deal was found by Cheapflights users on 1/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/237:12 pmBOS - LHR
Nonstop6h 43mJetBlue
Mon 3/99:20 amLHR - BOS
Nonstop7h 56mJetBlue
Deal found 1/8$507
This United Airlines deal was found by Cheapflights users on 1/6. 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 4/176:40 pmBOS - LHR
1 stop21h 20mUnited Airlines
Mon 4/2012:10 pmLHR - BOS
1 stop32h 20mUnited Airlines
Deal found 1/6$508
This KLM deal was found by Cheapflights users on 1/7. 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.
Thu 3/128:10 pmBOS - LHR
Nonstop6h 40mKLM
Wed 3/189:40 amLHR - BOS
Nonstop7h 45mKLM
Deal found 1/7$509

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 January 8, 2026.
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

Thu 3/19

3:35 pm-7:10 am

1 stop11h 35m

London Heathrow

Tue 3/24

11:10 am-7:35 pm

1 stop12h 25m

$500

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 3/8

10:15 am-7:10 am

1 stop16h 55m

London Heathrow

Fri 3/20

1:25 pm-9:27 pm

1 stop12h 02m

$501

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 3/8

10:15 am-7:10 am

1 stop16h 55m

London Heathrow

Tue 3/24

1:25 pm-9:27 pm

1 stop12h 02m

$501

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 2/20

7:15 pm-6:50 am

Nonstop6h 35m

London Heathrow

Fri 2/27

6:20 am-1:40 pm

1 stop12h 20m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 2/2

7:15 pm-6:50 am

Nonstop6h 35m

London Heathrow

Mon 2/9

6:20 am-1:40 pm

1 stop12h 20m

$502

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 3/2

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

Mon 3/9

9:00 am-5:20 pm

1 stop12h 20m

$503

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 2/1

7:15 pm-6:50 am

Nonstop6h 35m

London Heathrow

Sun 2/8

6:30 am-1:25 pm

1 stop11h 55m

$504

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 2/8

7:12 pm-6:55 am

Nonstop6h 43m

London Heathrow

Sun 2/15

9:20 am-12:20 pm

Nonstop8h 00m

$506

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 2/24

7:12 pm-6:55 am

Nonstop6h 43m

London Heathrow

Wed 3/4

9:20 am-12:19 pm

Nonstop7h 59m

$506

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 2/24

7:12 pm-6:55 am

Nonstop6h 43m

London Heathrow

Fri 2/27

9:20 am-12:19 pm

Nonstop7h 59m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 23 results
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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 January.
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
OvagoPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 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 January 2, 2026.

Booking 69 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, October is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of $435). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of $593). 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 January 8, 2026.

When flying from Boston to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Boston to London Heathrow Airport?

The best insider tips for Boston to London Heathrow Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your 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 January 8, 2026.
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.

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

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.

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

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.

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

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.

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

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.

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

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.

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

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 35m. Fly via United Airlines or Virgin Atlantic to get the fastest option. Airlines will cover a distance of 3254 mi. This flight may include one or multiple stops.

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

    According to our current data, JetBlue ($264), SWISS ($320), and TAP AIR PORTUGAL ($367) offers the cheapest pricing from Boston to London Heathrow Airport. JetBlue is 58% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Boston to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $149. Icelandair flights start at $166 while deals on JetBlue start at $183 one-way.

  • 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: Malaysia Airlines (91%), KLM (84%), Air France( 84%).

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

    The cheapest flight price from Boston to London Heathrow Airport is $223. On average you can expect to pay $1,976. The most popular route, (Boston Logan Intl - London Heathrow), can usually be booked for $363.

  • 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 $52 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, October is the cheapest month in which you can book a flight from Boston to London Heathrow Airport (average of $435). Flying from Boston to London Heathrow Airport in June is currently the most expensive (average of $593). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$311Average$616FlexibilityNo cancel feeOn-time62%
SWISSCheapest$320Average$622FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$367Average$450FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$393Average$657FlexibilityNo cancel feeOn-time77%
KLMCheapest$426Average$627FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$459Average$630FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$465Average$525FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$466Average$651FlexibilityNo cancel feeOn-time76%
FinnairCheapest$466Average$620FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$467Average$616FlexibilityNo cancel feeOn-time77%

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