Cheap flights from Toronto Island Airport to Montreal from C$ 104

The cheapest month to fly to Montreal from Toronto Island Airport is in November. Flight prices, which tend to average around C$ 329, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Montreal from Toronto Island Airport during August instead. Flights to Montreal in August, while not as cheap as those in November, still average around C$ 344.

Our data shows that Friday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 750. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Toronto Island Airport to Montreal for around C$ 1,061.

Our data shows that the cheapest Toronto Island Airport to Montreal flights are usually those with departure times in the evening. Our users have found flights to Montreal in the evening for as low as C$ 682. Flights at noon are often more expensive with an average ticket price of C$ 1,007.

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

There are 4 cabin classes available to choose from on Toronto Island to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, prices for Toronto Island Airport to Montreal flights are approximately 21% more expensive when compared to flights at the same time last year.

Porter Airlines is the most popular carrier operating from Toronto Island to Montreal

Porter Airlines, Air Canada and Air Transat are the top three most popular airlines that fly to Montreal from Toronto Island Airport according to our data. Porter Airlines is the first choice among our users, with 78% of people opting to fly with this airline when travelling to Montreal. Keep in mind that there are 3 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Toronto and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada has had the least delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of March 2026, there are 11 flights per day flying from Toronto Island Airport to Montreal. The most common time of day flights depart is 8:00a.m., with 45% of flights taking off in the afternoon.

81 flights are operational weekly from Toronto Island Airport to Montreal as of March 2026. The most popular departure day for this route is Thu, with 32% of flights per week taking off on this day.