Cheap Flights from London (LHR) to Montreal (YMX)

Popular airlines from Heathrow Airport (LHR) to Montreal, QC (YMX-Mirabel Intl.)

Flight from London to Montreal route information
Origin airport
Heathrow
Destination airport
Mirabel Intl.
Distance
5188 km

Compare flights from London to Montreal easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Montreal. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Mirabel Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Mirabel Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Mirabel Intl. (YMX)

The easiest way to view the best deals on flights from London to Montreal today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Mirabel Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Montreal
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Montreal flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Mirabel Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Heathrow Airport to YMX?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey between LHR and YMX was . Great fares don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to Montréal International Airport?
Most flights can be cancelled online, but each air carrier has a different set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Heathrow Airport to Mirabel Intl. Airport (YMX) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LHR to Montréal International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LHR to YMX?
With around 5,200 kilometres separating Hounslow and Mirabel, your flight will be a long one. Pack wisely to make your journey comfortable. Little things like a sleep mask and a good neck pillow should be in your carry-on bag.
Which airlines fly direct from LHR to Montréal–Mirabel International Airport?
You won't find any airlines operating directly between Heathrow Airport and YMX, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are LHR to Mirabel Intl. Airport (YMX) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some of the cheapest airfares from London Heathrow to Montréal International Airport cropping up a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines quote prices that far in advance.

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Montreal Airports

Montreal

London to Pierre Elliott Trudeau Intl.
£354.02
*Available to Expedia members.