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Cheap flights from London Heathrow Airport to Boston from £273

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
17 Apr — 24 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Boston Logan Intl are usually found in February or September, booked 65 days in advance, depart on a Wednesday 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 12 April 2025.

Round-trip from

£372

One-way from

£273

Popular in

July

Cheapest in

February

Average price

£489

Good round-trip deal

£451 or less

Good one-way deal

£531 or less
Air Canada
  • Air Canada
  • 6/5-20/5
  • 4 total stops
  • 27h 57m total
  • London to Boston
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2/5
  • 2/5
  • 1 total stop
  • 15h 15m total
  • London to Boston
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Highest demand for flights based on searches. 17% potential increase in price (£80 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in April 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 12 April 2025.

Tue 6/506:50LHR - BOS
2 stops12h 42mAir Canada
Tue 13/515:20BOS - LHR
2 stops15h 30mAir Canada
Deal found 11/4£372
Mon 5/508:50LHR - BOS
1 stop10h 50mBritish Airways
Tue 13/507:25BOS - LHR
Nonstop6h 30mBritish Airways
Deal found 11/4£373
Wed 23/408:55LHR - BOS
Nonstop7h 15mMultiple Airlines
Sun 27/420:00BOS - LHR
1 stop20h 40mMultiple Airlines
Deal found 11/4£374
Mon 12/506:30LHR - BOS
1 stop12h 05mDelta
Mon 19/522:45BOS - LHR
Nonstop6h 45mDelta
Deal found 11/4£375
Tue 28/1010:30LHR - BOS
2 stops13h 05mLufthansa
Tue 4/1114:16BOS - LHR
1 stop11h 24mLufthansa
Deal found 11/4£377
Wed 1/1021:25LHR - BOS
1 stop19h 10mIcelandair
Thu 9/1020:50BOS - LHR
1 stop18h 30mIcelandair
Deal found 11/4£379
Fri 25/414:05LHR - BOS
1 stop25h 02mUnited Airlines
Mon 12/512:30BOS - LHR
1 stop13h 25mUnited Airlines
Deal found 11/4£381
Mon 5/508:55LHR - BOS
Nonstop7h 15mIberia
Tue 13/507:25BOS - LHR
Nonstop6h 30mIberia
Deal found 11/4£383
Fri 25/406:30LHR - BOS
1 stop12h 10mKLM
Tue 13/520:15BOS - LHR
Nonstop6h 50mKLM
Deal found 11/4£387
Mon 26/506:00LHR - BOS
1 stop18h 55mSWISS
Mon 2/621:40BOS - LHR
1 stop10h 20mSWISS
Deal found 11/4£391
Mon 12/512:45LHR - BOS
Nonstop7h 55mVirgin Atlantic
Sun 18/520:45BOS - LHR
1 stop28h 40mVirgin Atlantic
Deal found 11/4£393
Thu 8/518:15LHR - BOS
Nonstop7h 45mAir France
Mon 12/520:15BOS - LHR
Nonstop6h 50mAir France
Deal found 11/4£394

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 12 April 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

Tue 6/5

06:50-14:32

2 stops12h 42m

Boston Logan Intl

Tue 20/5

10:20-06:35

2 stops15h 15m

£372

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 5/5

08:50-14:40

1 stop10h 50m

Boston Logan Intl

Tue 13/5

07:25-18:55

Nonstop6h 30m

£373

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 23/4

08:55-11:10

Nonstop7h 15m

Boston Logan Intl

Sun 27/4

20:00-21:40

1 stop20h 40m

£374

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 12/5

08:40-16:25

1 stop12h 45m

Boston Logan Intl

Mon 19/5

22:45-10:30

Nonstop6h 45m

£375

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 8/10

21:25-11:35

1 stop19h 10m

Boston Logan Intl

Sun 12/10

20:50-11:55

1 stop10h 05m

£377

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 25/4

14:05-10:07

1 stop25h 02m

Boston Logan Intl

Mon 12/5

12:30-06:55

1 stop13h 25m

£381

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 5/5

08:55-11:10

Nonstop7h 15m

Boston Logan Intl

Tue 13/5

07:25-18:55

Nonstop6h 30m

£383

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 25/4

06:30-13:40

1 stop12h 10m

Boston Logan Intl

Tue 13/5

20:15-08:05

Nonstop6h 50m

£387

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 23/4

09:40-12:10

Nonstop7h 30m

Boston Logan Intl

Tue 29/4

19:00-06:45

Nonstop6h 45m

£389

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 26/5

06:00-19:55

1 stop18h 55m

Boston Logan Intl

Mon 2/6

21:40-13:00

1 stop10h 20m

£391

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 29 results
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2
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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 4 April 2025.

The best time to book flights from London Heathrow Airport to Boston is 65 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of £10). Flying from London Heathrow Airport to Boston in July is currently the most expensive (average of £724). 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 12 April 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 in the afternoon, 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 30 March 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Boston flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday 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 12 April 2025.

The most flights from LHR to BOS are scheduled on a Monday (35 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (31 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 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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 12 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from London 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
7,912 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,912 reviews
Delta
8.0
Very Good
7,912 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,912 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,912 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
774 reviews
Delta
8.0
Very Good
7,912 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,575 reviews
Delta
8.0
Very Good
7,912 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 33 inbound flights from London Heathrow per day from 17 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • 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 Air Canada. Our recent data shows that you can find tickets from as low as £372 on this airline. Additional options worth looking into are British Airways and Delta, starting at £373 and £375 round-trip. Air Canada is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • 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 £279 on Vueling. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £309 and Aer Lingus from £358 one-way.

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

    Consider Malaysia Airlines (93%), Gulf Air (91%) or American Airlines (86%) 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 £395. On average you can expect to pay £1,521. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for £309.

  • 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Boston (average of £10). Flying from London Heathrow Airport to Boston in July is currently the most expensive (average of £724). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Cambridge
Somerville
Quincy
Chelmsford
Chelsea
Burlington
Kittery

Browse thousands of different options on Cheapflights for your next trip

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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 12 April 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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£283Average£456FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapest£288Average£414FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£317Average£495FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£345Average£445FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£347Average£448FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£349Average£445FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£352Average£424FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£352Average£440FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£357Average£487FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£361Average£503FlexibilityNo 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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