Cheap Flights from Boston Logan International (BOS) to London Heathrow (LHR)

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Flight deals from Boston Logan International to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Boston Logan International to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.

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

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 Heathrow flights are currently cheapest in January.

Direct flights from Boston Logan International to London Heathrow

Boston Logan International to London Heathrow: 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 Heathrow.

Boston to London: Flight information

The things to know before you go.
Cheapest flight found$478
Cheapest month to flyJanuary
Average flight time6 hrs, 39 mins
Most popular airlineIberia
Average flights per week257

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

The best price we found for a round-trip flight from Boston Logan International to London Heathrow is $478. 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 39 minutes is the average flight time from Boston Logan International to London Heathrow.
Iberia, KLM and American Airlines fly direct from Boston Logan International to London Heathrow.
There are 257 flights per week flying from Boston Logan International to London Heathrow, as of May 2024.
The cheapest month to fly from Boston Logan International to London Heathrow is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to London Heathrow Airport on Friday, January 24, 2025.
Yes – the average flight time is 6 hours and 39 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 Heathrow 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 Heathrow is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Fly Play and Iberia offer the cheapest flight tickets to London Heathrow.

Cheap Flights from Boston Logan International to London Heathrow

If you are looking to head out on a little European adventure, starting in London, then you may be looking for great deals on flights from Boston Logan International Airport to London Heathrow Airport. Lucky for you, Skyscanner is your one-stop shop for flight deals and more.

Flying Out of Boston Logan International

Boston Logan International is one of the busiest airports in the United States and is the largest airport in New England. Because it is such a major international travel hub, you will want to arrive early for security checks and to get through the check-in process. Preferably, you should arrive between two to three hours before your boarding time. Body scanners are used at Boston Logan International Airport, so do not be surprised if you are asked to pass through one, particularly when traveling to England in the aftermath of the terror attack in Manchester in May, 2017.

Once you have made it through security, you can spend your extra time at one of the many shops or restaurants like Ryo Asian Fusion, located in Terminal C. There are also familiar favorites like Dunkin Donuts and Starbucks if you need a quick jolt of caffeine before your flight.

Arriving at London Heathrow

When you arrive at London Heathrow, you will be landing at the busiest and largest airport not only in London but in the country. Be prepared for large crowds and a great deal of hustle and bustle. If you want to cut down on wait times, it is important to consider renting yourself a car ahead of time. Skyscanner has a Car Rental search feature that would allow you to find all of the best deals on rentals right there at London Heathrow Airport so that you can book your car ahead of time and simply pick it up on arrival. If you are not interested in renting a car, the London Underground train runs from several of the Heathrow terminals as do regular aboveground trains. Taxi services are also available.

What to Do in London

London is the capital city of England and as such, there is much to see and do. Head to the London Eye for breathtaking views of the city or if you want to see some of the most impressive antiquities in the world, spend a day or two exploring the British Museum. Other great sites include Big Ben, Westminster Abbey, and of course, Buckingham Palace.


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