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Cheap flights from London Heathrow Airport to Boston from £334

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
27 Dez — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Boston Logan Intl are usually found in February or September, booked 50 days in advance, depart on a Wednesday or Thursday and return on a Monday

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 27 November 2025.

Round-trip from

£375

One-way from

£334

Popular in

December

Cheapest in

February

Average price

£444

Good round-trip deal

£488 or less

Good one-way deal

£402 or less
Icelandair
  • Icelandair
  • 9/1-16/1
  • 2 total stops
  • 36h 15m total
  • London to Boston
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Air Canada
  • Air Canada
  • 24/4
  • 2 total stops
  • 30h 07m total
  • London to Boston
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Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in November 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

Enter your travel dates to find the best prices.

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 27 November 2025.

Sa 6/1212:15LHR - BOS
1 stop27h 20mIcelandair
So 14/1211:35BOS - LHR
1 stop18h 15mIcelandair
Deal found 24/11£364
Di 2/1220:35LHR - BOS
1 stop26h 15mIcelandair
Di 9/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£367
Di 2/1220:35LHR - BOS
1 stop26h 15mIcelandair
Sa 6/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£369
So 7/1212:15LHR - BOS
1 stop10h 35mIcelandair
Mi 10/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 23/11£370
Do 4/1220:35LHR - BOS
1 stop26h 15mIcelandair
Di 9/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 24/11£373
Mi 3/1212:15LHR - BOS
1 stop27h 20mIcelandair
Mi 14/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£380
So 14/1220:35LHR - BOS
1 stop26h 15mIcelandair
Mo 5/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£380
So 7/1212:15LHR - BOS
1 stop10h 35mIcelandair
Mi 7/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£383
Mi 24/1209:55LHR - BOS
2 stops34h 55mScandinavian Airlines
Mo 12/117:35BOS - LHR
2 stops35h 00mScandinavian Airlines
Deal found 25/11£386
Mo 15/1220:35LHR - BOS
1 stop26h 15mIcelandair
Mo 5/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 24/11£386
Di 16/1220:35LHR - BOS
1 stop19h 00mIcelandair
Mi 7/119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 25/11£387

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 27 November 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

So 18/1

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Fr 30/1

19:50-19:30

1 stop18h 40m

£390

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mo 2/2

12:15-17:50

1 stop10h 35m

Boston Logan Intl

So 1/3

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

So 8/2

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Fr 27/2

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mi 4/2

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Mi 25/2

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fr 6/2

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Mo 2/3

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Di 3/2

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Do 26/2

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

So 8/2

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Do 26/2

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Di 28/4

08:50-14:40

1 stop10h 50m

Boston Logan Intl

Di 5/5

21:50-09:35

Nonstop6h 45m

£411

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Do 15/1

08:50-13:55

1 stop10h 05m

Boston Logan Intl

Do 22/1

07:30-19:00

Nonstop6h 30m

£423

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mo 12/1

06:50-17:14

2 stops15h 24m

Boston Logan Intl

Mo 19/1

16:15-11:05

1 stop13h 50m

£423

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 23 results
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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 return 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 return flight from Heathrow to Boston. Price data was last updated on 21 November 2025.

The best time to book flights from London Heathrow Airport to Boston is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Boston?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of £321). Flying from London Heathrow Airport to Boston in December is currently the most expensive (average of £382). 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 27 November 2025.

When flying from London Heathrow Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 28% versus a flight in the evening.

What is the cheapest day to fly from London Heathrow Airport to Boston?

Use this chart to determine the cheapest time to fly return from Heathrow to Boston. Price data was last updated on 25 November 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Boston flight should consider departing on Tuesday at midday 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.

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 27 November 2025.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAir France from London Heathrow Airport to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air France
7.4
Good
1,498 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.0
Good
581 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from London Heathrow. On average, Logan Intl has 22 inbound flights from London Heathrow per day from 16 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

    There are many flights that can get you from London Heathrow Airport to Boston in 10h 35m. Fly via Icelandair to get the fastest option. The distance between London Heathrow Airport and Boston is about 3254 mi.

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

    Our cheapest airline available from London Heathrow Airport to Boston is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as £285 on this airline. Additional options worth looking into are Delta and Scandinavian Airlines, starting at £300 and £304 round-trip. TAP AIR PORTUGAL is priced at 39% lower than the current average price of a flight leaving 3 months from now.

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

    Consider Gulf Air (97%), Malaysia Airlines (95%) or Scandinavian Airlines (92%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Boston.

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

    The cheapest flight price from London Heathrow Airport to Boston is £332. On average you can expect to pay £1,360. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for £275.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of £321). Flying from London Heathrow Airport to Boston in December is currently the most expensive (average of £382). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Cambridge
Peabody
Somerville
Quincy
Waltham
Chelmsford

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Fly from Heathrow to Boston on these airlines

Choose from the following airlines for your flight from Heathrow to Boston. Flights are based on user searches made on Cheapflights and were last updated on 27 November 2025.
British Airways flights from London Heathrow to Boston Logan Intl
Virgin Atlantic flights from London Heathrow to Boston Logan Intl
Finnair flights from London Heathrow to Boston Logan Intl

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 858,174 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£287Average£410FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£304Average£455FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£308Average£410FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£335Average£446FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£339Average£390FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£343Average£426FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest£347Average£495FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest£356Average£562FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£357Average£467FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£357Average£482FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Boston?

Cheapflights makes it easy to find Heathrow to Boston flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Boston?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boston from Heathrow.

Can Cheapflights find flights from Heathrow to Boston with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Boston flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Boston become cheaper?

Yes! Start tracking prices for Heathrow to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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