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Cheap Flights from London Heathrow to Montreal

Travellers and cabin class

Compare London Heathrow to Montreal flight deals

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

Book the best Montreal fare with no extra fees

Flight deals from London Heathrow to Montreal

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Montreal? Find the lowest prices on one-way and return tickets right here.
Montreal.SAR 1,274 per passenger.Departing Thu, 29 May.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 29 May, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From SAR 1,274, select.
Montreal.SAR 1,321 per passenger.Departing Sat, 14 Jun.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 14 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From SAR 1,321, select.
Montreal.SAR 1,465 per passenger.Departing Tue, 21 Oct.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Tue, 21 Oct, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From SAR 1,465, select.
Montreal.SAR 1,490 per passenger.Departing Sat, 27 Sep.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Sat, 27 Sep, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From SAR 1,490, select.
Montreal.SAR 1,527 per passenger.Departing Tue, 1 Jul.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 1 Jul, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From SAR 1,527, select.
Montreal.SAR 1,584 per passenger.Departing Mon, 9 Feb.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Mon, 9 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From SAR 1,584, select.
Montreal.SAR 1,589 per passenger.Departing Tue, 9 Dec.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 9 Dec, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From SAR 1,589, select.
Montreal.SAR 1,609 per passenger.Departing Tue, 26 Aug.One-way flight with Air France.Outbound indirect flight with Air France, departs from London Heathrow on Tue, 26 Aug, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From SAR 1,609, select.

Find the cheapest month to fly from London Heathrow to Montreal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Montreal flights are currently cheapest in May.
May
from SAR 1,274
Jun
from SAR 1,321
Jul
from SAR 1,527
Aug
from SAR 1,609
Sep
from SAR 1,490
Oct
from SAR 1,465
Nov
from SAR 1,680
Dec
from SAR 1,589
Jan
from SAR 1,664
Feb
from SAR 1,584
Mar
from SAR 1,737
Apr
from SAR 1,747

Direct flights from London Heathrow to Montreal

Alternative London Heathrow to Montreal routes

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

London to Montreal: Flight information

The things to know before you go.
Cheapest flight foundSAR 1,274
Cheapest month to flyMay
Average flight time7 hrs, 23 mins
Most popular airlineLufthansa
Average flights per week220

Finding cheap flights from London Heathrow to Montreal: Frequently asked questions

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.
The best price we found for a return flight from London Heathrow to Montreal is SAR 1,312. 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.
7 hours and 23 minutes is the average flight time from London Heathrow to Montreal.
Lufthansa, Austrian Airlines and United fly direct from London Heathrow to Montreal.
As of May 2025, there are 220 flights per week flying from London Heathrow to Montreal.
The cheapest month to fly from London Heathrow to Montreal is usually May 2025.
If you're flying from London Heathrow Airport, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the centre of Montreal. We've found flights into this airport from SAR 1,312.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Montreal on Friday, 16 May 2025.
Yes – the average flight time is 7 hours and 23 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 Montreal 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 Montreal 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. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.
Currently, Brussels Airlines and British Airways offer the cheapest flight tickets to Montreal.

How to find cheap flights to Montreal from London Heathrow

Looking for cheap tickets from London Heathrow to Montreal? 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 London Heathrow to Montreal. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Montreal from London Heathrow from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best London Heathrow-Montreal 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 Montreal from London Heathrow.
  • Set up a Price Alert. You can easily track the fare of your cheap London Heathrow-Montreal 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 London Heathrow and Montreal? 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 London Heathrow and Montreal. We scour the internet for the best Business, Premium Economy and First Class flight fares to Montreal, 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 London Heathrow to Montreal 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 Montreal from London Heathrow with hotels and car hire

    Once you've secured your cheap flight ticket from London Heathrow to Montreal, discover the best prices and exclusive rates for hotels in Montreal 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 London to Montreal

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