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Cheap flights from London Heathrow Airport to Boston from C$ 641

LHR — BOS
9 Oct — 16 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Boston

Mon 5/106:30 a.m. -
1 stop17h 00m
Fri 23/107:05 p.m. -
Nonstop6h 40m
Deal found 9/9C$ 884
Wed 23/96:30 a.m. -
1 stop11h 49m
Sun 4/107:05 p.m. -
Nonstop6h 40m
Deal found 9/9C$ 885
Fri 25/99:55 a.m. -
1 stop13h 35m
Sat 3/107:05 p.m. -
Nonstop6h 40m
Deal found 9/9C$ 887
Fri 25/99:55 a.m. -
1 stop13h 35m
Sat 3/107:35 p.m. -
1 stop11h 30m
Deal found 9/9C$ 888
Fri 25/910:05 a.m. -
Nonstop7h 30m
Thu 8/106:01 a.m. -
1 stop10h 39m
Deal found 9/9C$ 890
Mon 21/1211:25 a.m. -
1 stop12h 00m
Mon 28/126:50 p.m. -
1 stop9h 25m
Deal found 8/9C$ 891
Mon 21/94:05 p.m. -
Nonstop7h 45m
Wed 21/109:30 p.m. -
Nonstop6h 45m
Deal found 7/9C$ 892
Sun 20/92:05 p.m. -
1 stop12h 21m
Sat 24/103:48 p.m. -
1 stop10h 32m
Deal found 7/9C$ 894
Wed 7/109:40 a.m. -
Nonstop7h 41m
Fri 23/107:05 p.m. -
Nonstop6h 40m
Deal found 9/9C$ 895
Sat 19/912:00 p.m. -
1 stop10h 52m
Sat 24/1010:50 p.m. -
1 stop13h 30m
Deal found 7/9C$ 896
Mon 21/99:40 a.m. -
Nonstop7h 37m
Sun 25/108:15 p.m. -
Nonstop6h 35m
Deal found 7/9C$ 898
Fri 18/99:25 p.m. -
1 stop26h 25m
Sat 8/58:50 p.m. -
1 stop10h 05m
Deal found 9/9C$ 899

Find flight deals from Heathrow to Boston

Round-trip from

C$ 884

One-way from

C$ 641

Popular in

June

Cheapest in

February

Average price

C$ 925

Good one-way deal

C$ 1,140 or less
KLM
  • KLM
  • 5/10-21/10
  • 1 total stop
  • 18h 25m total
  • London to Boston
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British Airways
  • British Airways
  • 1/11-31/12
  • 1 total stop
  • 13h 45m total
  • London to Boston
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Highest demand for flights based on searches. 7% potential increase in price (C$ 102 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a one-way flight from London Heathrow to Boston Logan Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 19/11

10:10 a.m.-6:25 p.m.

1 stop13h 15m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 641

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sat 5/12

9:20 a.m.-12:15 p.m.

Nonstop7h 55m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 648

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Mon 9/11

9:20 a.m.-12:15 p.m.

Nonstop7h 55m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 650

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 27/10

11:05 a.m.-10:19 a.m.

2 stops51h 14m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 651
Quickest round-trip

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sun 20/12

1:10 p.m.-4:00 p.m.

Nonstop7h 50m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 670

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 20/10

8:45 a.m.-7:55 p.m.

1 stop16h 10m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 670

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Mon 19/10

8:55 a.m.-7:55 p.m.

2 stops16h 00m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 673

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Wed 30/12

1:00 p.m.-1:26 p.m.

2 stops29h 26m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 680

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 31/12

3:00 p.m.-12:10 p.m.

2 stops26h 10m

Boston Logan Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 764

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 29/10

12:55 p.m.-4:50 p.m.

Nonstop7h 55m

Boston Logan Intl

Wed 4/11

7:15 p.m.-6:50 a.m.

Nonstop6h 35m

C$ 887

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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 round-trip price

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?

The best time to book flights from London Heathrow Airport to Boston is 53 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 C$ 781). Flying from London Heathrow Airport to Boston in June is currently the most expensive (average of C$ 1,153). 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?

It’s optimal to fly from London Heathrow Airport to Boston at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the afternoon.

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

Airfare is typical for this route at the moment.

London Heathrow Airport to Boston flights typically cost between C$ 801 and C$ 1,096 in October.
The cheapest round-trip price found within the last 5 days was C$ 884 on KLM (5 Oct-21 Oct).

Related info for your journey

  • 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 25 inbound flights from London Heathrow per day from 0 airlines. Boston Logan Intl is conveniently located just 4.2 km from Boston’s city centre.

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

    Departing from London Heathrow Airport to Boston will take you 7h 40m. Airlines will cover a distance of 5237 km. This flight may include one or multiple stops.

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

    Consider Scandinavian Airlines (93%), JetBlue (90%) or TAP AIR PORTUGAL (90%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Boston.

  • 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 vacation 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 C$ 781). Flying from London Heathrow Airport to Boston in June is currently the most expensive (average of C$ 1,153). 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?

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Old Orchard Beach
Cape Elizabeth
Hampton
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Revere
Braintree
Milford
Waltham
Watertown
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Lawrence
Pawtucket
Seekonk
Foxborough
Nashua
Kittery

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Boston. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Boston, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boston from Heathrow today and book when prices fit your budget.

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