Cheap flights from Montreal to Cancún from $180

If you don’t want to visit Cancún in October, then you should wait until September to fly from Montreal, when ticket prices are also cheap, with an average price of $435.

The cheapest day to depart from Montreal to Cancún is on a Wednesday when prices can be found for as low as $518. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $611. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

Our most recent data shows that the best time of day to fly to Cancún is in the afternoon. Flights from Montreal to Cancún during this time can be as low as $473. Flights to Cancún are more costly at noon, with an average ticket price of $592. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Montreal Pierre Elliott Trudeau Intl to Cancun for the best Montreal - Cancun flight prices

You are more likely to see cheaper flights to Cancún from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $482 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Montreal for as low as $453 on momondo.

There are 3 cabin classes available to choose from on Montreal to Cancún flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 20% on your flight if you consider stops on a Montreal to Cancún flight.

As of June 2026, prices for Montreal to Cancún flights are approximately 8% cheaper when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Montreal to Cancun

Air Transat, Air Canada and WestJet are the top three most popular airlines that fly to Cancún from Montreal according to our data. Air Transat is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Cancún. Keep in mind that there are 6 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Montreal and Cancún have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Transat have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

Panama City (PTY) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Panama City (PTY) offer the lowest average round-trip price of $497.

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 10h 00m.

Toronto (YYZ) has the shortest average layover time for this route: 4h 23m.

The number of flights available between Montreal and Cancún is 2 per day as of June 2026. The most frequent departure time is 8:00AM, with 88% of daily flights leaving at noon.

15 flights are operational weekly from Montreal to Cancún as of June 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.