Find cheap flights from London Heathrow Airport to Boston

LHR - BOS

Find cheap flights from London Heathrow Airport to Boston

Round-trip
Economy
London (LHR)
Boston Logan Intl
Fri 8/7
Fri 8/14
Any month
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Good to know

Low season

November Best time to beat the crowds with an average 27% drop in price.

High season

July Most popular time to fly with an average 33% increase in price.

Average price of a round-trip

$474 (avg. price over the last 2 weeks)

Good deal for a round-trip

$438 or less

When to book flights from London Heathrow to Boston

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $379 or less.
  • The cheapest flight from London Heathrow Airport to Boston was found 89 days before departure, on average.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be June, July and August. The cheapest month to fly is November.
  • Morning departure is around 31% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking London Heathrow Airport to Boston flights

Which airlines have a flexible cancellation policy for flights from London Heathrow to Boston Logan Intl due to COVID-19?

Which airlines apply social distancing measures on flights from London Heathrow to Boston Logan Intl due to COVID-19?

How long does a flight from London Heathrow Airport to Boston take?

How many flights are there between London Heathrow Airport and Boston?

Which airlines provide the cheapest flights from London Heathrow Airport to Boston?

Do I need a passport to fly between London Heathrow Airport and Boston?

Which airlines fly most frequently between London Heathrow Airport and Boston?

What’s the cheapest day of the week to fly London Heathrow Airport to Boston?

How does KAYAK find such low prices on flights from London Heathrow Airport to Boston?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Boston?

What is the Hacker Fare option on flights from London Heathrow Airport to Boston?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Boston?

Top 5 airlines serving London Heathrow to Boston Logan Intl

Scores according to KAYAK customer reviews

8.1
Virgin Atlantic
Overall score based on 1,566 reviews
8.3
Boarding
7.8
Comfort
8.6
Crew
8.0
Entertainment
7.8
Food
Airline reviews
Read more about Virgin Atlantic

Book cheap flights from London Heathrow Airport to Boston

Recent round-trip flight deals

9/4
Fri
2 stops
Multiple Airlines
27h 05m
LHR - BOS
9/12
Sat
1 stop
Multiple Airlines
14h 15m
BOS - LHR
11/30
Mon
1 stop
Lufthansa
12h 25m
LHR - BOS
12/16
Wed
1 stop
Lufthansa
9h 50m
BOS - LHR
9/4
Fri
1 stop
TAP AIR PORTUGAL
16h 20m
LHR - BOS
9/12
Sat
1 stop
TAP AIR PORTUGAL
14h 15m
BOS - LHR
9/1
Tue
2 stops
Austrian Airlines
39h 37m
LHR - BOS
9/14
Mon
1 stop
Austrian Airlines
25h 40m
BOS - LHR
11/4
Wed
nonstop
Finnair
7h 45m
LHR - BOS
11/9
Mon
nonstop
Finnair
6h 30m
BOS - LHR
11/30
Mon
nonstop
British Airways
7h 45m
LHR - BOS
12/16
Wed
nonstop
British Airways
6h 35m
BOS - LHR
9/3
Thu
2 stops
Multiple Airlines
27h 05m
LHR - BOS
9/12
Sat
1 stop
Multiple Airlines
14h 15m
BOS - LHR
9/1
Tue
1 stop
Lufthansa
14h 35m
LHR - BOS
9/14
Mon
1 stop
Lufthansa
10h 10m
BOS - LHR
8/14
Fri
1 stop
TAP AIR PORTUGAL
32h 35m
LHR - BOS
8/17
Mon
1 stop
TAP AIR PORTUGAL
14h 15m
BOS - LHR
10/14
Wed
1 stop
Multiple Airlines
14h 35m
LHR - BOS
10/20
Tue
1 stop
Multiple Airlines
9h 30m
BOS - LHR
8/18
Tue
2 stops
Austrian Airlines
29h 12m
LHR - BOS
9/10
Thu
1 stop
Austrian Airlines
14h 20m
BOS - LHR
10/14
Wed
nonstop
KLM
7h 40m
LHR - BOS
10/20
Tue
nonstop
KLM
6h 40m
BOS - LHR
8/27
Thu
1 stop
TAP AIR PORTUGAL
32h 35m
LHR - BOS
9/7
Mon
1 stop
TAP AIR PORTUGAL
19h 25m
BOS - LHR
10/13
Tue
1 stop
Lufthansa
12h 35m
LHR - BOS
4/26
Mon
1 stop
Lufthansa
9h 55m
BOS - LHR
9/1
Tue
1 stop
Multiple Airlines
11h 35m
LHR - BOS
9/8
Tue
1 stop
Multiple Airlines
9h 40m
BOS - LHR
Show more results

Recent one-way flight deals

9/13
Sun
2 stops
Multiple Airlines
20h 15m
LHR - BOS
9/18
Fri
1 stop
TAP AIR PORTUGAL
32h 20m
LHR - BOS
8/22
Sat
2 stops
Multiple Airlines
33h 40m
LHR - BOS
9/3
Thu
2 stops
Multiple Airlines
29h 40m
LHR - BOS
9/4
Fri
2 stops
Multiple Airlines
27h 05m
LHR - BOS
8/20
Thu
1 stop
TAP AIR PORTUGAL
27h 35m
LHR - BOS
9/18
Fri
2 stops
Multiple Airlines
34h 30m
LHR - BOS
8/17
Mon
1 stop
TAP AIR PORTUGAL
16h 20m
LHR - BOS
9/12
Sat
2 stops
Multiple Airlines
16h 35m
LHR - BOS
8/14
Fri
1 stop
TAP AIR PORTUGAL
27h 35m
LHR - BOS
9/30
Wed
1 stop
TAP AIR PORTUGAL
23h 35m
LHR - BOS
8/27
Thu
3 stops
Multiple Airlines
54h 45m
LHR - BOS
9/29
Tue
1 stop
TAP AIR PORTUGAL
21h 05m
LHR - BOS
8/17
Mon
3 stops
Multiple Airlines
32h 15m
LHR - BOS
8/30
Sun
1 stop
TAP AIR PORTUGAL
13h 30m
LHR - BOS
8/21
Fri
3 stops
Multiple Airlines
35h 30m
LHR - BOS
8/18
Tue
1 stop
TAP AIR PORTUGAL
13h 30m
LHR - BOS
8/30
Sun
3 stops
Multiple Airlines
32h 00m
LHR - BOS
8/18
Tue
1 stop
TAP AIR PORTUGAL
21h 15m
LHR - BOS
8/30
Sun
3 stops
Multiple Airlines
32h 00m
LHR - BOS
Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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