Cheap flights from Toronto Island Airport to Montreal from C$ 121

The cheapest month to fly to Montreal from Toronto Island Airport is in October. Flight prices, which tend to average around C$ 81, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Montreal from Toronto Island Airport during November instead. Flights to Montreal in November, while not as cheap as those in October, still average around C$ 160.

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$ 860. 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$ 1,162.

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$ 836. Flights at noon are often more expensive with an average ticket price of C$ 1,080.

Fly from Toronto Island to Montreal St Hubert for the best Toronto Island - Montreal flight prices

There are 4 cabin classes available to choose from on Toronto Island Airport 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 June 2026, prices for Toronto Island Airport to Montreal flights are approximately 18% cheaper when compared to flights at the same time last year.

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 103 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening 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, Porter Airlines 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 June 2026, there are 21 flights per day flying from Toronto Island Airport to Montreal. The most common time of day flights depart is 10:00a.m., with 42% of flights taking off at noon.

150 flights are operational weekly from Toronto Island Airport to Montreal as of June 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.