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Cheap Flights from Boston Logan International to London Heathrow

Compare Boston Logan International to London Heathrow flight deals

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

Book the best London Heathrow fare with no extra fees

Flight deals from Boston Logan International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to London Heathrow Airport? If you want to travel next month, return fares start from R 10,621. Find the lowest prices on one-way and return tickets right here.
London.R 3,315 per passenger.Departing Thu, 22 Oct.One-way flight with LEVEL.Outbound indirect flight with LEVEL, departs from Boston Logan International on Thu, 22 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 3,315, select.
London.R 3,643 per passenger.Departing Tue, 17 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Tue, 17 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 3,643, select.
London.R 3,791 per passenger.Departing Mon, 21 Sep.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Mon, 21 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 3,791, select.
London.R 3,997 per passenger.Departing Wed, 7 Apr.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Wed, 7 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 3,997, select.
London.R 3,997 per passenger.Departing Tue, 2 Feb.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Tue, 2 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 3,997, select.
London.R 4,034 per passenger.Departing Thu, 21 Jan.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Thu, 21 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 4,034, select.
London.R 4,039 per passenger.Departing Fri, 4 Dec.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Fri, 4 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 4,039, select.
London.R 4,039 per passenger.Departing Mon, 1 Mar.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Mon, 1 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 4,039, select.
London.R 4,145 per passenger.Departing Tue, 11 May.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Boston Logan International on Tue, 11 May, arriving in London Heathrow.Price includes taxes and charges.From R 4,145, select.
London.R 4,428 per passenger.Departing Fri, 2 Oct.One-way flight with Virgin Atlantic.Outbound direct flight with Virgin Atlantic departs from Boston Logan International on Fri, 2 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 4,428, select.
London.R 4,471 per passenger.Departing Tue, 17 Nov.One-way flight with Iberia.Outbound direct flight with Iberia departs from Boston Logan International on Tue, 17 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 4,471, select.
London.R 4,524 per passenger.Departing Mon, 21 Sep.One-way flight with Virgin Atlantic.Outbound direct flight with Virgin Atlantic departs from Boston Logan International on Mon, 21 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 4,524, select.
London.R 4,550 per passenger.Departing Mon, 17 Aug.One-way flight with Virgin Atlantic.Outbound indirect flight with Virgin Atlantic, departs from Boston Logan International on Mon, 17 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 4,550, select.
London.R 4,565 per passenger.Departing Mon, 17 Aug.One-way flight with Virgin Atlantic.Outbound direct flight with Virgin Atlantic departs from Boston Logan International on Mon, 17 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 4,565, select.
London.R 4,746 per passenger.Departing Tue, 16 Mar.One-way flight with Finnair.Outbound direct flight with Finnair departs from Boston Logan International on Tue, 16 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 4,746, select.
London.R 4,780 per passenger.Departing Tue, 2 Feb.One-way flight with Iberia.Outbound direct flight with Iberia departs from Boston Logan International on Tue, 2 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 4,780, select.

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 October.
Jul
from R 6,703
Aug
from R 4,550
Sep
from R 3,791
Oct
from R 3,315
Nov
from R 3,643
Dec
from R 4,039
Jan
from R 4,034
Feb
from R 3,997
Mar
from R 4,039
Apr
from R 3,997
May
from R 4,145
Jun
from R 6,398

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.

London City

12km from central London
Closest
from R 4,941
Search flights

London Heathrow

23km from central London
from R 3,315
Search flights

London Gatwick

40km from central London
from R 3,315
Search flights

London Luton

45km from central London
from R 3,462
Search flights

London Stansted

49km from central London
Cheapest
from R 3,307
Search flights

London Southend

57km from central London
from R 4,363
Search flights

Boston to London: Flight information

The things to know before you go.
Cheapest flight foundR 3,315
Cheapest month to flyOctober
Average flight time6 hrs, 42 mins
Most popular airlineAmerican Airlines
Average flights per week305

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

The best price we found for a return flight from Boston Logan International to London Heathrow is R 9,104. 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 42 minutes is the average flight time from Boston Logan International to London Heathrow.
American Airlines, Finnair and Iberia fly direct from Boston Logan International to London Heathrow.
As of July 2026, there are 305 flights per week flying from Boston Logan International to London Heathrow.
The cheapest month to fly from Boston Logan International to London Heathrow 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 Heathrow Airport on Friday, 5 March 2027.
Yes – the average flight time is 6 hours and 42 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 is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Scandinavian Airlines and jetBlue offer the cheapest flight tickets to London Heathrow.

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

  • Around 6 hours 40 minutes is how long you'll be travelling on a direct flight from Boston Logan International Airport to London Heathrow Airport.

  • London's timezone is UTC+0, making London five hours ahead of Boston.

  • Flights from BOS to LHR start from 07:15 — the first with British Airways. The last service of the day is at 23:00 with British Airways. In total, you can choose from 52 weekly Boston Logan International Airport to London Heathrow Airport flights.

  • Give yourself plenty of time to make your BOS to LHR flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures will help ensure a smooth travel experience.

  • There are plenty of direct flights from Boston Logan International Airport to London Heathrow Airport to choose from. When planning your London trip, these carriers can fly you nonstop to this unmissable part of the United Kingdom:

  • The airline most travellers prefer to fly with on this route is British Airways.

  • Delta stands out as the most punctual carrier for BOS to LHR flights, with 88.59% of services arriving on schedule.

  • Consider adding a stopover when booking your ticket from Boston Logan International Airport to London Heathrow Airport. Just deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here are some options between BOS and LHR:

    • Amsterdam Schiphol Airport

    • New York John F. Kennedy Airport

    • Dublin Airport

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

  • The cheapest price we've seen for a one-way Boston Logan International Airport to London Heathrow Airport flight is R 3,315. A round-trip plane ticket is currently R 9,104. Depending on the availability and when you book, these fares can change.

  • To get cheap tickets from BOS to LHR, book your journey two months before your planned departure.

  • Schedule your trip for July. That's the cheapest month for flights from Boston Logan International Airport to London Heathrow Airport. If you're flexible with your dates, try out the 'Whole month' tool to find the lowest price across each month.

  • Picking up cheap flights from BOS to LHR is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when a new deal comes up.

  • Tailor your trip with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Boston Logan International Airport to London Heathrow Airport.

Handy information about Boston Logan International Airport (BOS)

  • You'll find BOS at One Harborside Drive.

  • When it comes to the on-time performance of Boston Logan International Airport, 75% of flights complete their journey on time.

  • Central Boston to Boston Logan International Airport is approximately 8 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • The journey on public transport will take about 25 minutes.

  • Booked an early flight from Boston Logan International Airport to London Heathrow Airport? Avoid the last-minute rush to the airport (and get some extra shut-eye) by picking one of these stays close to BOS:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to central London has a drive time of around 45 minutes. It's approximately 24 kilometres away.

  • It'll take around 25 minutes if you're travelling by public transport.

When to fly to London Heathrow Airport (LHR)

  • July is the most popular month for flights from Boston Logan International Airport to London Heathrow Airport. To avoid the crowds, travel to London in March.

  • Lock in your flight from Boston Logan International Airport to London Heathrow Airport for July if you want to visit London during its warmest month. You can expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

  • Look for cheap tickets from BOS to LHR in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of the United Kingdom

  • Manchester is just one of the many places in the United Kingdom waiting to be explored after you've experienced London. Around 257 kilometres away to the north-west, check out popular attractions including Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

  • If you're eager to discover another major stop in the United Kingdom, consider Birmingham, about 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among the biggest draws.

Plan the rest of your trip from Boston to London

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.