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Cheap flights from London to Boston from $528

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Boston departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Easily compare return flights from London to Boston

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Boston by changing tabs
TAP AIR PORTUGAL
22 Oct
LHR19:50London Heathrow
23h 20m
1 stop
BOS14:10Boston Logan Intl
29 Oct
BOS19:10Boston Logan Intl
13h 30m
1 stop
LHR12:40London Heathrow
KLM
17 Sept
LHR09:55London Heathrow
11h 45m
1 stop
BOS16:40Boston Logan Intl
26 Sept
BOS19:25Boston Logan Intl
6h 40m
LHR07:05London Heathrow
British Airways
17 Sept
LHR14:30London Heathrow
7h 20m
BOS16:50Boston Logan Intl
23 Sept
BOS07:35Boston Logan Intl
6h 20m
LHR18:55London Heathrow
Finnair
18 Sept
LHR09:35London Heathrow
7h 25m
BOS12:00Boston Logan Intl
23 Sept
BOS22:05Boston Logan Intl
6h 30m
LHR09:35London Heathrow
Scandinavian Airlines
31 May
LHR20:30London Heathrow
24h 30m
1 stop
BOS16:00Boston Logan Intl
3 June
BOS18:05Boston Logan Intl
16h 55m
1 stop
LHR16:00London Heathrow
Multiple Airlines
18 Sept
LHR13:30London Heathrow
11h 45m
1 stop
BOS20:15Boston Logan Intl
23 Sept
BOS17:10Boston Logan Intl
9h 45m
1 stop
LHR07:55London Heathrow

Find the cheapest one-way flights from London to Boston

If you're looking for one-way flights from London to Boston, view some of our deals below provided by Azores Airlines, British Airways and TAP AIR PORTUGAL
Multiple Airlines
12 June
LHR10:30London Heathrow
15h 45m
1 stop
BOS21:15Boston Logan Intl
TAP AIR PORTUGAL
20 May
LHR18:45London Heathrow
24h 25m
1 stop
BOS14:10Boston Logan Intl
Azores Airlines
19 Oct
LHR19:50London Heathrow
52h 45m
2 stops
BOS19:35Boston Logan Intl

Search last-minute flights to Boston from London

Find and compare return flight prices for your last-minute flight from London to Boston
Scandinavian Airlines
23 May
LHR06:40London Heathrow
14h 20m
1 stop
BOS16:00Boston Logan Intl
4 June
BOS18:05Boston Logan Intl
16h 55m
1 stop
LHR16:00London Heathrow
British Airways
21 May
LHR14:30London Heathrow
7h 20m
BOS16:50Boston Logan Intl
29 May
BOS07:20Boston Logan Intl
6h 35m
LHR18:55London Heathrow
KLM
22 May
LHR09:55London Heathrow
11h 35m
1 stop
BOS16:30Boston Logan Intl
27 May
BOS19:13Boston Logan Intl
10h 02m
1 stop
LHR10:15London Heathrow
Delta
20 May
LHR06:30London Heathrow
15h 00m
1 stop
BOS16:30Boston Logan Intl
27 May
BOS10:42Boston Logan Intl
16h 23m
1 stop
LHR08:05London Heathrow
Virgin Atlantic
20 May
LHR17:10London Heathrow
30h 20m
1 stop
BOS18:30Boston Logan Intl
27 May
BOS19:20Boston Logan Intl
6h 45m
LHR07:05London Heathrow
United Airlines
20 May
LHR06:50London Heathrow
21h 48m
2 stops
BOS23:38Boston Logan Intl
30 May
BOS10:20Boston Logan Intl
15h 10m
1 stop
LHR06:30London Heathrow

KLM flights from London to Boston

Our best KLM deals on London to Boston flight tickets
KLM
17 Sept
LHR09:55London Heathrow
11h 45m
1 stop
BOS16:40Boston Logan Intl
23 Sept
BOS19:25Boston Logan Intl
6h 40m
LHR07:05London Heathrow
KLM
4 Sept
LHR09:55London Heathrow
11h 45m
1 stop
BOS16:40Boston Logan Intl
9 Sept
BOS19:25Boston Logan Intl
6h 40m
LHR07:05London Heathrow
KLM
3 Oct
LHR09:55London Heathrow
11h 45m
1 stop
BOS16:40Boston Logan Intl
7 Oct
BOS19:20Boston Logan Intl
6h 45m
LHR07:05London Heathrow

British Airways flights from London to Boston

Our best British Airways deals on London to Boston flight tickets
British Airways
17 Sept
LHR14:30London Heathrow
7h 20m
BOS16:50Boston Logan Intl
23 Sept
BOS07:35Boston Logan Intl
6h 20m
LHR18:55London Heathrow
British Airways
17 Sept
LHR14:30London Heathrow
7h 20m
BOS16:50Boston Logan Intl
28 Sept
BOS07:35Boston Logan Intl
6h 20m
LHR18:55London Heathrow
British Airways
26 Aug
LHR20:10London Heathrow
7h 30m
BOS22:40Boston Logan Intl
11 Sept
BOS07:35Boston Logan Intl
6h 20m
LHR18:55London Heathrow

How to get the cheapest flight ticket from London to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from London to Boston?

November. The cheapest time of year to fly to Boston from London is November. The most expensive is July.

What is the cheapest day to depart London for Boston?

Sunday. The cheapest day of the week is usually Sunday. The most expensive is usually Friday.

When is the cheapest time to fly from London to Boston?

In the afternoon. London to Boston flights are approximately 11% more expensive in the morning than in the afternoon

What is the cheapest London to Boston flight route?

London Heathrow - Boston Logan Intl. Fly from London Heathrow to Boston Logan Intl for the best London - Boston flight prices

How far in advance should you book London to Boston flights?

55 days before. The cheapest time to buy a flight from London to Boston is approximately 55 days to departure

How many flights depart from London to Boston on average per day?

39 flights are operational weekly from London to Boston as of May 2024. The most popular departure time for this route is 08:00, with 45% of flights per day taking off in the afternoon.

How many flights depart from London to Boston on average per week?

The number of flights available between London and Boston is 273 per week as of May 2024. The most frequent departure day is Friday, with 15% of weekly flights leaving on this day.

Can stopping save me money on London to Boston flights?

You could potentially save up to 8% on your flight if you consider stops on a London to Boston flight.

Cheap London to Boston (LON to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Boston

Best price found

$528

Fastest flight time

7h 15m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from London in the past 72 hours is $528. The best return flight deal from London to Boston found on momondo in the last 72 hours is $650.
The fastest flight from London to Boston takes 7h 15m
Direct flights go from London to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)

  • How far is London to Boston Logan Intl by plane?

    There are 5260.9 km between London and Boston Logan Intl. A reasonable flight in good conditions will take 7h 15m.

  • When did momondo last update prices for flights from London to Boston Logan Intl Airport?

    Prices for flights from London to Boston Logan Intl Airport were last updated today.

  • How old do you have to be to fly from London to Boston Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

Why should I use momondo to find a flight deal from London to Boston?

It is quick and easy to find London to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

Can I find flights from London to Boston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Boston from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Boston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Boston.

I’m not ready to book a flight from London to Boston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Boston from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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