Cheap flights from London to Boston

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The best prices from London to Boston are usually found in November or February, booked 60 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

How to find the cheapest flight from
London (LON) to Boston (BOS)

LON - BOS
Price
£336 - £716
BOS
Temperature
4 - 29 °C
BOS
Rainfall
70 - 99 mm
Popular in July High demand for flights, 35% potential price rise
Cheapest in November Best time to find cheap flights, 28% potential price drop
Round-trip from £336 From London to Boston
One-way from £166 One-way flight from London to Boston
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to Boston?

Flights from London to Boston are generally found to be more expensive on Saturday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boston.

How far in advance should I book a flight from London to Boston?

To save on the cost of your flight from London to Boston, book at least 61 days before your planned departure. Booking around this time can save you about 59% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £400 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £476.

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

The best pricing can be found in the month of November. Prices to Boston from London average £375. You can even find prices in November for less than £375, as users have found deals to Boston from as low as £241. The month of July appears to be one of the more expensive times to travel to Boston from London. Flying in the targeted month can save you up to 53%.

Cheap flights from London to Boston in July, August 2020

The best prices found for LON to BOS flights in July, August
27 Jun - 23 Jul
£467pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Virgin Atlantic
Direct
LHR
London Heathrow
8 Jul - 11 Aug
£475pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
1 Jul - 16 Jul
£477pp
LHR
London Heathrow
Icelandair
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Icelandair
 
1 STOP
LHR
London Heathrow

London to Boston 2020 flight deals

Cheap flights to Boston from London found for this year
7 Nov - 7 Dec
£295pp
LGW
London Gatwick
Multiple airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
12 Nov - 15 Nov
£296pp
LGW
London Gatwick
Multiple airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
9 Nov - 16 Nov
£298pp
LGW
London Gatwick
Multiple airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick

Direct flights to Boston from London

Save time with London to Boston direct flight deals
9 Nov - 16 Nov
£348pp
LHR
London Heathrow
Multiple airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
KLM
Direct
LHR
London Heathrow
9 Nov - 16 Nov
£349pp
LHR
London Heathrow
Virgin Atlantic
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Virgin Atlantic
Direct
LHR
London Heathrow
2 Nov - 12 Nov
£352pp
LHR
London Heathrow
Virgin Atlantic
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Virgin Atlantic
Direct
LHR
London Heathrow

Last-minute flights from London to Boston

Late deals on return flights to Boston from London, departing today and this week
27 Jun - 23 Jul
£467pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Virgin Atlantic
Direct
LHR
London Heathrow
26 Jun - 15 Sep
£486pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Virgin Atlantic
Direct
LHR
London Heathrow
26 Jun - 4 Jul
£505pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow

One-way flights to Boston from London

The cheapest one-way flights from London to Boston
09:45 - 17:55
TAP AIR PORTUGAL
1 stop
13h 10m
LHR - BOS
TAP AIR PORTUGAL
£134
mytrip.com
16:35 - 17:10
Multiple Airlines
1 stop
29h 35m
STN - BOS
Multiple Airlines
£143
Kiwi.com
16:35 - 17:10
Multiple Airlines
1 stop
29h 35m
STN - BOS
Multiple Airlines
£144
Kiwi.com

Related info for your journey

Useful info, stats and facts about London to Boston flights.

Flight FAQs

From London to Boston

Are flight prices decreasing from London to Boston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Boston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from London to Boston for under £300 on Cheapflights?

Yes, there are multiple flights from London to Boston for under £300. The cheapest flight booked recently is on Multiple Airlines for just £294, but on average you can expect to pay £324.

Are there direct flights from London to Boston for under £400 on Cheapflights?

Cheapflights has 20 direct flights from London to Boston under £400. A good price for a direct flight from London to Boston is less than £363.

Are there last-minute flights available from London to Boston for under £500?

There are currently 20+ open flights from London to Boston within the next 7 days for less than £500.

How popular is this flight route?

Flights from London to Boston Logan Intl have been viewed 672 times in the past calendar month.

What is the cheapest airline for this route?

The cheapest airline for this route is British Airways. When flying this airline from London to Boston, you can expect to find 79 flights per day available for this route, on average.

Is London weather warmer or cooler than Boston?

With an average temperature of 29 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in Boston are hotter than in London.

Alternative routes for London to Boston

Destination information for Boston

Things to know before you go. Useful info for your trip from London to Boston
Today's exchange rate
£1 = $1.25
Flight duration
7h 00m
Average temperature for July in Boston
29.0 °C
Avg rainfall for July in Boston
81.0 mm

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Airports servicing Boston

Hourly flight availability from London to Boston

Afternoon Midday to 6 PM 100% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Morning 6 AM to midday 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from London to Boston
Sunday
5 daily flights
Monday
4 daily flights
Tuesday
4 daily flights
Wednesday
5 daily flights
Thursday
5 daily flights
Friday
5 daily flights
Saturday
5 daily flights