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Cheap Flights from Boston Logan International to London

Travellers and cabin class

Compare Boston Logan International to London flight deals

Find the cheapest month or even day of the year to fly to London

Book the best London fare with no extra fees

Flight deals from Boston Logan International to London

Looking for a cheap last-minute deal or the best return flight from Boston Logan International to London? Find the lowest prices on one-way and return tickets right here.
London.£136 per passenger.Departing Sun, 10 Aug.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Boston Logan International on Sun, 10 Aug, arriving in London Gatwick.Price includes taxes and charges.From £136, select.
London.£140 per passenger.Departing Mon, 20 Oct.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Boston Logan International on Mon, 20 Oct, arriving in London Gatwick.Price includes taxes and charges.From £140, select.
London.£144 per passenger.Departing Fri, 25 Jul.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Fri, 25 Jul, arriving in London Gatwick.Price includes taxes and charges.From £144, select.
London.£147 per passenger.Departing Mon, 22 Sep.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Boston Logan International on Mon, 22 Sep, arriving in London Gatwick.Price includes taxes and charges.From £147, select.
London.£153 per passenger.Departing Tue, 29 Apr.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Tue, 29 Apr, arriving in London Heathrow.Price includes taxes and charges.From £153, select.
London.£153 per passenger.Departing Sun, 11 May.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Sun, 11 May, arriving in London Gatwick.Price includes taxes and charges.From £153, select.
London.£163 per passenger.Departing Fri, 7 Nov.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departs from Boston Logan International on Fri, 7 Nov, arriving in London Gatwick.Price includes taxes and charges.From £163, select.
London.£163 per passenger.Departing Tue, 3 Feb.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departs from Boston Logan International on Tue, 3 Feb, arriving in London Luton.Price includes taxes and charges.From £163, select.

Find the cheapest month to fly from Boston Logan International to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to London flights are currently cheapest in August.
Apr
from £153
May
from £153
Jun
from £195
Jul
from £144
Aug
from £136
Sep
from £147
Oct
from £140
Nov
from £163
Dec
from £180
Jan
from £212
Feb
from £163
Mar
from £178

Direct flights from Boston Logan International to London

Alternative Boston Logan International to London routes

Looking for the cheapest, fastest or easiest route from Boston Logan International to London? You could fly into the following airports instead.

Boston to London: Flight information

The things to know before you go.
Cheapest flight found£136
Cheapest month to flyAugust
Average flight time6 hrs, 43 mins
Most popular airlineFinnair
Average flights per week290

Finding cheap flights from Boston Logan International to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Boston Logan International to London is £214. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 43 minutes is the average flight time from Boston Logan International to London.
Finnair, KLM and Iberia fly direct from Boston Logan International to London.
As of April 2025, there are 290 flights per week flying from Boston Logan International to London.
The cheapest month to fly from Boston Logan International to London is usually April 2025.
If you're flying from Boston Logan International Airport, the cheapest airport near London is London City – which is 12.2 km away from the centre of London. We've found flights into this airport from £214.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to London on Tuesday, 6 May 2025.
Yes – the average flight time is 6 hours and 43 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 9°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, SWISS and jetBlue offer the cheapest flight tickets to London.

How to find cheap flights to London from Boston Logan International

Looking for cheap tickets from Boston Logan International to London? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Boston Logan International to London. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to London from Boston Logan International from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best Boston Logan International-London ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to London from Boston Logan International.
  • Set up a Price Alert. You can easily track the fare of your cheap Boston Logan International-London flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Boston Logan International and London? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Boston Logan International and London. We scour the internet for the best Business, Premium Economy and First Class flight fares to London, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Boston Logan International to London flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to London from Boston Logan International with hotels and car hire

    Once you've secured your cheap flight ticket from Boston Logan International to London, discover the best prices and exclusive rates for hotels in London or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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Plan the rest of your trip from Boston to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.