Cheap Flights from Boston Logan International to London

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.

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.

Boston Logan International to London: Alternative routes

Compare routes from Boston Logan International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London.

Boston to London: Flight information

The things to know before you go.
Cheapest flight foundR 2,644
Cheapest month to flyMay

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

The best price we found for a return flight from Boston Logan International to London is R 7,949. 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.
Currently, there are no airlines that fly direct from Boston Logan International to London. But we found flights with one or more stops from R 7,949.
As of February 2026, there are no flights flying from Boston Logan International to London.
The cheapest month to fly from Boston Logan International to London is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to London Airport on Thursday, 26 March 2026.
No airlines currently offer direct flights between Boston Logan International Airport and London Airport. Most routes have one or more stops.
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.
Currently, Porter Airlines offers the cheapest flight tickets to London.

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

  • Boston and London follow the same timezone, UTC-4.

  • To ensure you get on your BOS to YXU flight, allow plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months such as August, it's best to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during a high season in general.

  • If you'd love to check out another city along the way, look for a flight with a stopover. To see your options for tickets from Logan International Airport to London International Airport, uncheck 'Direct flights only.' Pearson International Airport is a popular stop between BOS and YXU.

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

  • R 2,644 is the best price for a one-way Logan International Airport to London International Airport flight. Return flights start at R 7,949. These prices may change based on demand and availability.

  • It's often best to book early if you're looking for cheap tickets from BOS to YXU. That's because flight prices are based on demand, which tends to rise closer to departure.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll give you the cheapest price in each month when looking for a flight from Logan International Airport to London International Airport.

  • Snapping up cheap flights from BOS to YXU is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when fares go down.

  • Secure the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Logan International Airport to London International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Logan International Airport (BOS)

  • You'll find BOS at One Harborside Drive.

  • When it comes to Logan International Airport's on-time performance, data shows 73.94% of flights arrive within the scheduled timeframe.

  • To get to Logan International Airport from central Boston, it'll take about 10 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 5 kilometres from the airport to the city centre.

  • Expect a journey time of about 25 minutes when using public transport.

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

Arriving at London International Airport (YXU)

Getting from London International Airport (YXU) to central London

  • London International Airport is approximately 11 kilometres from central London. Driving there takes about 20 minutes.

  • If you're taking public transport, expect a journey of about 55 minutes.

When to fly to London International Airport (YXU)

  • The quietest month for a flight from Logan International Airport to London International Airport is November, while August is the most popular. Pick the best time to go to London based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in London is July, with temperatures ranging between 13ºC (55ºF) and 27ºC (81ºF). Lock in your flights from Logan International Airport to London International Airport in this month if you like this kind of weather.

  • If you like cooler conditions, search for a cheap ticket from BOS to YXU in January. Temperatures average between -13ºC (9ºF) and 2ºC (36ºF) then.

Explore more of Canada

  • You've seen London, now it's time to explore more of Canada. Travel around 161 kilometres north-east to Toronto to tick off its popular sights. From CN Tower to Royal Ontario Museum and Go Tours Canada - Distillery District, your itinerary will be busy.

  • Mississauga is another standout destination in Canada and is around 145 kilometres north-east of London. No journey is complete without a visit to Credit Meadows Park, Tree Sculpture - Animal Totem by Jim Menken and Dunn Park.

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