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
£264 - £563
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 264 Kč From London to Boston
One-way from 263 Kč 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 £381 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £454.

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 £367. You can even find prices in November for less than £367, as users have found deals to Boston from as low as £236. 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%.

When is the cheapest time to fly from London to Boston (LON - BOS)?

One of the essential ways to save on airfare from London to Boston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

Cheap flights from London to Boston in September, October 2020

The best prices found for LON to BOS flights in September, October
19 Oct - 26 Oct
£339pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
21 Oct - 28 Oct
£345pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Air Canada
 
1 STOP
LHR
London Heathrow
19 Oct - 29 Oct
£354pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Delta
Direct
LHR
London Heathrow

London to Boston 2020 flight deals

Cheap flights to Boston from London found for this year
1 Dec - 15 Dec
£328pp
LHR
London Heathrow
Lufthansa
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
19 Oct - 26 Oct
£339pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
2 Nov - 7 Dec
£343pp
LHR
London Heathrow
KLM
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
KLM
 
1 STOP
LHR
London Heathrow

Direct flights to Boston from London

Save time with London to Boston direct flight deals
2 Mar - 17 Mar
£352pp
LHR
London Heathrow
KLM
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
KLM
Direct
LHR
London Heathrow
2 Nov - 7 Dec
£357pp
LHR
London Heathrow
KLM
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
KLM
Direct
LHR
London Heathrow
9 Nov - 30 Nov
£360pp
LHR
London Heathrow
Multiple airlines
Direct
BOS
Boston Logan Intl
BOS
Boston Logan Intl
KLM
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
1 Oct - 31 Oct
£387pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
30 Sep - 8 Oct
£422pp
STN
London Stansted
Multiple airlines
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
3 Oct - 17 Oct
£423pp
LTN
London Luton
Multiple airlines
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
LTN
London Luton

One-way flights to Boston from London

The cheapest one-way flights from London to Boston
07:45 - 08:51
KLM
1 stop
30h 06m
LHR - BOS
KLM
£207
mytrip.com
11:50 - 14:30
Delta
Direct
7h 40m
LHR - BOS
Delta
£209
Delta

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 £400 on Cheapflights?

Yes, there are multiple flights from London to Boston for under £400. The cheapest flight booked recently is on Lufthansa for just £328, but on average you can expect to pay £345.

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 £381.

Are there last-minute flights available from London to Boston for under £400?

There are currently 20+ open flights from London to Boston within the next 7 days for less than £400.

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.

How long does is the flight from London to Boston?

A quick flight from London to Boston can take about 7h 35m. British Airways provides one of the quickest options available for as low as £278. Generally, flights for this route are direct.

What are the cheapest airlines to flying from London to Boston return?

Cheapflights users have booked flights from London to Boston from £258 return. Other airlines that can offer you cheap pricing are Finnair, from £268, and KLM, from £270. Lufthansa is priced at 29% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London to Boston one-way?

£195 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta, with prices from £209.

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 = $1.28
Flight duration
7h 10m
Average temperature for September in Boston
24.0 °C
Avg rainfall for September in Boston
94.0 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 77% of flight departures
Morning 6 AM to midday 22% of flight departures
Early morning Midnight to 6 AM 1% 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
10 daily flights
Monday
6 daily flights
Tuesday
10 daily flights
Wednesday
6 daily flights
Thursday
10 daily flights
Friday
6 daily flights
Saturday
10 daily flights