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Cheap flights from London Heathrow Airport to Boston from C$ 665

LHR — BOS
24 Nov — 1 Dec1
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

Sat 31/1012:15 p.m. -
1 stop10h 35m
Mon 9/117:50 p.m. -
1 stop18h 40m
Deal found 23/10C$ 801
Fri 30/1012:15 p.m. -
1 stop10h 35m
Tue 1/127:50 p.m. -
1 stop18h 40m
Deal found 22/10C$ 802
Sun 1/118:35 p.m. -
1 stop26h 15m
Tue 10/117:50 p.m. -
1 stop10h 00m
Deal found 23/10C$ 804
Sat 31/1012:15 p.m. -
1 stop10h 35m
Fri 11/127:50 p.m. -
1 stop18h 40m
Deal found 23/10C$ 829
Wed 18/1112:15 p.m. -
1 stop10h 35m
Mon 30/117:50 p.m. -
1 stop10h 00m
Deal found 25/10C$ 830
Mon 23/118:35 p.m. -
1 stop26h 15m
Sun 29/117:50 p.m. -
1 stop18h 40m
Deal found 25/10C$ 832
Tue 24/118:35 p.m. -
1 stop26h 15m
Sun 29/117:50 p.m. -
1 stop10h 00m
Deal found 23/10C$ 833
Sun 27/128:35 p.m. -
1 stop26h 15m
Wed 6/17:50 p.m. -
1 stop10h 00m
Deal found 22/10C$ 835
Sat 31/1012:15 p.m. -
1 stop10h 35m
Wed 25/117:50 p.m. -
1 stop18h 40m
Deal found 22/10C$ 850
Tue 15/128:35 p.m. -
1 stop26h 15m
Tue 29/127:50 p.m. -
1 stop10h 00m
Deal found 25/10C$ 853
Sat 7/118:50 a.m. -
1 stop10h 05m
Sat 14/115:15 p.m. -
1 stop10h 50m
Deal found 20/10C$ 854
Sat 31/108:50 a.m. -
1 stop10h 05m
Sat 14/115:15 p.m. -
1 stop10h 50m
Deal found 23/10C$ 858

Find flight deals from Heathrow to Boston

Round-trip from

C$ 801

One-way from

C$ 665

Popular in

June

Cheapest in

February

Average price

C$ 986
Icelandair
  • Icelandair
  • 10/4-29/5
  • 2 total stops
  • 27h 05m total
  • London to Boston
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 22/11-31/12
  • 1 total stop
  • 13h 00m total
  • London to Boston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 84 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 24 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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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 24/12

6:00 p.m.-2:59 p.m.

2 stops25h 59m

Boston Logan Intl

Wed 31/12

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

Nonstop0h 00m

C$ 668

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sun 6/12

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$ 681

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 5/1

8:35 p.m.-5:50 p.m.

1 stop26h 15m

Boston Logan Intl

Wed 31/12

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

Nonstop0h 00m

C$ 686

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Sat 6/2

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

Nonstop8h 00m

Boston Logan Intl

Wed 31/12

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

Nonstop0h 00m

C$ 689

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 5/1

6:00 p.m.-10:37 p.m.

1 stop33h 37m

Boston Logan Intl

Wed 31/12

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

Nonstop0h 00m

C$ 692

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 17/12

7:00 a.m.-8:20 p.m.

2 stops18h 20m

Boston Logan Intl

Wed 31/12

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

Nonstop0h 00m

C$ 717

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 31/12

11:10 a.m.-6:35 p.m.

1 stop12h 25m

Boston Logan Intl

Wed 31/12

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

Nonstop0h 00m

C$ 756

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Tue 29/12

11:10 a.m.-6:35 p.m.

1 stop12h 25m

Boston Logan Intl

Wed 31/12

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

Nonstop0h 00m

C$ 758

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 5/11

7:25 a.m.-7:41 p.m.

1 stop17h 16m

Boston Logan Intl

Wed 31/12

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

Nonstop0h 00m

C$ 816

LondonBoston

LHR London Heathrow - BOS Boston Logan Intl

LHRBOS

London Heathrow

Thu 12/11

8:35 p.m.-5:50 p.m.

1 stop26h 15m

Boston Logan Intl

Mon 16/11

7:50 p.m.-10:50 a.m.

1 stop10h 00m

C$ 832

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

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$ 794). Flying from London Heathrow Airport to Boston in June is currently the most expensive (average of C$ 1,171). 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 17% 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 below average for this route at the moment.

London Heathrow Airport to Boston flights typically cost between C$ 877 and C$ 1,136 in April.
The cheapest round-trip price found within the last 5 days was C$ 801 on Icelandair (10 Apr-30 May).

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 8 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 13h 15m. 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 JetBlue (82%), TAP AIR PORTUGAL (82%) or Scandinavian Airlines (80%) 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$ 794). Flying from London Heathrow Airport to Boston in June is currently the most expensive (average of C$ 1,171). 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
Old Orchard Beach
Cape Elizabeth
Hampton
Merrimack
Ogunquit
Saugus
Braintree
Milford
Revere
Waltham
Warwick
Lawrence
Pawtucket
Seekonk
Foxborough
Nashua
Kittery

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

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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