Cheap flights from London Heathrow Airport to Boston from £314

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
14 Dec — 21 Dec1
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 14 November 2025.

Round-trip from

£352

One-way from

£314

Popular in

December

Cheapest in

February

Average price

£443

Good round-trip deal

£482 or less

Good one-way deal

£387 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 8/2-20/4
  • 3 total stops
  • 33h 25m total
  • London to Boston
7/2
  • 7/2
  • 2 total stops
  • 13h 02m total
  • London to Boston
Highest demand for flights based on searches. 3% potential increase in price (£14 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from London Heathrow to Boston Logan Intl.
Price to beat on a one-way flight from London Heathrow to Boston Logan Intl.

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 14 November 2025.

Sat 6/1212:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Sat 31/118:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 13/11£353
Sun 14/1206:00LHR - BOS
1 stop19h 10mTAP AIR PORTUGAL
Tue 13/118:05BOS - LHR
1 stop18h 25mTAP AIR PORTUGAL
Deal found 13/11£356
Thu 11/1208:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Thu 8/122:45BOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 12/11£357
Mon 8/1220:35LHR - BOS
1 stop26h 15mIcelandair
Mon 15/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 12/11£359
Fri 12/1212:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Thu 8/122:45BOS - LHR
1 stop17h 50mTAP AIR PORTUGAL
Deal found 13/11£364
Sat 22/1112:15LHR - BOS
1 stop27h 20mIcelandair
Mon 8/1219:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 12/11£366
Tue 18/1112:15LHR - BOS
1 stop10h 35mIcelandair
Fri 28/1119:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 11/11£366
Sun 7/1212:15LHR - BOS
1 stop10h 35mIcelandair
Wed 17/1211:35BOS - LHR
1 stop18h 15mIcelandair
Deal found 12/11£367
Wed 26/1112:15LHR - BOS
1 stop10h 35mIcelandair
Sat 29/1111:35BOS - LHR
1 stop18h 15mIcelandair
Deal found 13/11£368
Tue 18/1112:15LHR - BOS
1 stop10h 35mIcelandair
Wed 3/1219:50BOS - LHR
1 stop10h 00mIcelandair
Deal found 11/11£369

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 14 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

Thu 29/1

21:05-15:50

2 stops23h 45m

Boston Logan Intl

Tue 3/2

17:35-16:25

2 stops17h 50m

£401

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 10/12

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Tue 6/1

19:50-19:30

1 stop18h 40m

£405

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 24/12

17:30-15:50

2 stops27h 20m

Boston Logan Intl

Mon 12/1

17:35-14:35

2 stops16h 00m

£429

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 9/12

13:30-16:00

Nonstop7h 30m

Boston Logan Intl

Mon 15/12

15:35-07:50

1 stop11h 15m

£444

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 5/2

19:10-21:55

Nonstop7h 45m

Boston Logan Intl

Sat 7/2

19:34-20:00

1 stop19h 26m

£447

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 10/12

13:30-16:00

Nonstop7h 30m

Boston Logan Intl

Sun 14/12

21:35-09:15

Nonstop6h 40m

£450

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 12/5

17:35-20:05

Nonstop7h 30m

Boston Logan Intl

Tue 19/5

07:25-18:55

Nonstop6h 30m

£454

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 5/12

09:15-19:50

1 stop15h 35m

Boston Logan Intl

Mon 15/12

19:15-07:00

Nonstop6h 45m

£467

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 9/12

15:35-22:54

1 stop12h 19m

Boston Logan Intl

Sun 14/12

21:35-09:15

Nonstop6h 40m

£467

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 16/12

13:30-16:00

Nonstop7h 30m

Boston Logan Intl

Thu 15/1

06:00-20:00

1 stop9h 00m

£467

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 21 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 7 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 £322). Flying from London Heathrow Airport to Boston in July is currently the most expensive (average of £381). 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 14 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 29% 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 2 November 2025.

Travellers 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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from London Heathrow Airport to Boston?

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 14 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.

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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.

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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.

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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.

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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.

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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.

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

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 30 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 7h 30m. Fly via Scandinavian Airlines, Icelandair, or British Airways to get the fastest option. The distance between London Heathrow Airport and Boston is about 3254 mi. This flight may include one or multiple stops.

  • 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 £288 on this airline. Additional options worth looking into are Scandinavian Airlines and Lufthansa, starting at £305 and £309 round-trip. TAP AIR PORTUGAL is priced at 38% 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 £315 on LEVEL. Other airlines that offer cheap prices include British Airways from £321 and JetBlue from £326 one-way.

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

    Consider Gulf Air (92%), KLM (92%) or Scandinavian Airlines (90%) 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 £310. On average you can expect to pay £1,505. The most popular route, (London Heathrow - Boston Logan Intl), can usually be booked for £286.

  • 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 £322). Flying from London Heathrow Airport to Boston in July is currently the most expensive (average of £381). 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 14 November 2025.

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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£288Average£411FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£305Average£457FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£309Average£411FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£336Average£448FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£340Average£392FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£344Average£427FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest£348Average£496FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest£357Average£563FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£358Average£468FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£358Average£484FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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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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