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Cheap Flights from Boston (BOS) to London (LOND)

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Compare Boston Logan International to London flight deals

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

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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.$432 per passenger.Departing Thu, 30 Oct, returning Mon, 10 Nov.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Boston Logan International on Thu, 30 Oct, arriving in London City.Inbound indirect flight with SWISS, departs from London Gatwick on Mon, 10 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $432, select.
London.$445 per passenger.Departing Mon, 5 May, returning Mon, 12 May.Return flight with Condor and Wizz Air UK.Outbound indirect flight with Condor, departs from Boston Logan International on Mon, 5 May, arriving in London Gatwick.Inbound indirect flight with Wizz Air UK, departs from London Gatwick on Mon, 12 May, arriving in Boston Logan International.Price includes taxes and charges.From $445, select.
London.$638 per passenger.Departing Sat, 1 Nov, returning Thu, 6 Nov.Return flight with Fly Play and easyJet.Outbound indirect flight with Fly Play, departs from Boston Logan International on Sat, 1 Nov, arriving in London Gatwick.Inbound indirect flight with easyJet, departs from London Gatwick on Thu, 6 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $638, select.
London.$639 per passenger.Departing Sat, 17 Jan, returning Sun, 25 Jan.Return flight with Fly Play and easyJet.Outbound indirect flight with Fly Play, departs from Boston Logan International on Sat, 17 Jan, arriving in London Gatwick.Inbound indirect flight with easyJet, departs from London Gatwick on Sun, 25 Jan, arriving in Boston Logan International.Price includes taxes and charges.From $639, select.
London.$651 per passenger.Departing Fri, 14 Nov, returning Mon, 1 Dec.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from Boston Logan International on Fri, 14 Nov, arriving in London Stansted.Inbound indirect flight with Fly Play, departs from London Stansted on Mon, 1 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $651, select.
London.$659 per passenger.Departing Tue, 9 Sep, returning Mon, 15 Sep.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from Boston Logan International on Tue, 9 Sep, arriving in London Stansted.Inbound indirect flight with Fly Play, departs from London Stansted on Mon, 15 Sep, arriving in Boston Logan International.Price includes taxes and charges.From $659, select.
London.$668 per passenger.Departing Tue, 7 Oct, returning Tue, 14 Oct.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from Boston Logan International on Tue, 7 Oct, arriving in London Stansted.Inbound indirect flight with Fly Play, departs from London Stansted on Tue, 14 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $668, select.
London.$675 per passenger.Departing Thu, 4 Dec, returning Sat, 13 Dec.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from Boston Logan International on Thu, 4 Dec, arriving in London Stansted.Inbound indirect flight with Fly Play, departs from London Stansted on Sat, 13 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $675, 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 May.
May
from $445
Jun
from $850
Jul
from $935
Aug
from $697
Sep
from $659
Oct
from $668
Nov
from $638
Dec
from $675
Jan
from $639
Feb
from $790
Mar
from $698
Apr
from $898

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$432
Cheapest month to flyOctober
Average flight time6 hrs, 43 mins
Most popular airlineFinnair
Average flights per week326

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 $432. 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, American Airlines and Iberia fly direct from Boston Logan International to London.
As of May 2025, there are 326 flights per week flying from Boston Logan International to London.
The cheapest month to fly from Boston Logan International to London is usually May 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 $432.
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 Thursday, 30 October 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 May, the average temperature is usually around 12°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 Iberia offer the cheapest flight tickets to London.

Flying from Logan International Airport (BOS) to London: what you need to know

  • Approximately 7 hours 43 minutes is how long you'll be travelling on a direct flight from Logan International Airport to London.

  • Logan International Airport is located in Boston. Based in the UTC+0 timezone, London is 4 hours ahead of Boston.

  • With 141 flights a week between the two airports, Logan International Airport (BOS) to London Heathrow Airport (LHR) is the busiest route. British Airways operates the earliest flight at 07:15. If you prefer to make the most of your day before jetting off, the latest departure from BOS to LHR is with Virgin Atlantic at 23:20.

  • Give yourself enough time to make your flight from BOS to London. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a popular month like August, make your way to the airport even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. You can expect lines to be longer during high seasons like Thanksgiving, Christmas and New Year.

  • You can catch a nonstop flight from Logan International Airport to London that touches down at London Heathrow Airport (LHR).

  • A variety of airlines offer direct flights from Logan International Airport to London. Some of the most well-known are:

  • We make it simple to book a flight from BOS to London that includes a stopover. To see your options, uncheck 'Direct flights only.' Then, select a flight with a stop long enough to tour your chosen city. Some popular stopovers include:

    • Dublin Airport (DUB)

    • Amsterdam Airport Schiphol Airport (AMS)

    • John F. Kennedy International Airport (JFK)

  • You don't need a visa for United Kingdom if you have a passport from United States and are visiting for tourism purposes. Travel documentation and visa requirements can change. So before booking your cheap tickets from Logan International Airport to London, check with your airline and your destination country's local consulate or embassy for the most up-to-date information.

  • The journey from central Boston to BOS takes approximately 23 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 5 kilometres in 12 minutes or so, depending on traffic.

  • Catching an early flight from Logan International Airport to London? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to BOS:

How to find the cheapest flights from Logan International Airport (BOS) to London

  • $284 is the best price for a one-way ticket from Logan International Airport to London. A return flight starts at $432. These prices may change depending on demand and availability.

  • Book 11 months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from BOS to London.

  • July is the cheapest month for tickets from Logan International Airport to London. If you need to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Finding a cheap ticket from BOS to London couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when the price has dropped.

  • Take advantage of the filters to find your ideal journey. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Logan International Airport to London, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to central London is roughly 31 kilometres. It'll take you about 57 minutes to reach the centre driving.

  • If you're travelling on public transport, expect a journey time of about 1 hour and 1 minute.

  • Consider staying in a hotel close to LHR if you have a late flight from Logan International Airport to London. Pick one of these accommodation options and avoid the hassle of a long transfer:

London Gatwick Airport (LGW)

  • The centre of London is located around 80 kilometres from London Gatwick Airport (LGW). As soon as your flight from Logan International Airport to London has hit the runway and you've made your way out of the airport, the drive should be around 1 hour and 19 minutes.

  • If you're travelling on public transport, it'll take approximately 1 hour and 26 minutes.

  • You'll find some great places where you can make a pit stop near LGW. Settle in and get cosy after your flight from BOS to London at one of these perfectly located options:

Best time to go to London

  • It's time to figure out your trip dates for your flight from Logan International Airport to London. July is the most popular month to visit London. If you prefer a more relaxed atmosphere, go in February.

  • When booking your flight from Logan International Airport to London, think about the type of weather you enjoy. July is the warmest month in London, with temperatures ranging from 11ºC to 26ºC.

  • Look for cheap flights from BOS to London in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

More about London

  • Start your London trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Logan International Airport to London, check out our selection of hotels including:

  • Big Ben and The British Museum are just two of the major attractions to add to your London itinerary. Keep the adventure rolling by checking out Buckingham Palace.

Complete your London trip with a car rental

  • Pick one of our car rentals in London and see the sights in your own time. Easily compare companies in one place to find your perfect ride after booking your hotel and cheap flights from Logan International Airport to London.

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.