Cheap flights from San José to Montreal from C$ 335

The cheapest month to fly to Montreal from San José is in December. Flight prices, which tend to average around C$ 185, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Montreal from San José during November instead. Flights to Montreal in November, while not as cheap as those in December, still average around C$ 186.

Our data shows that Saturday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 244. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from San José to Montreal for around C$ 583.

Our data shows that the cheapest San José to Montreal flights are usually those with departure times in the morning. Our users have found flights to Montreal in the morning for as low as C$ 368. Flights in the evening are often more expensive with an average ticket price of C$ 556.

Fly from San José Juan Santamaria Intl to Montreal Pierre Elliott Trudeau Intl for the best San José Juan Santamaria Intl - Montreal flight prices

You are more likely to see cheaper flights to Montreal from San José when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 725 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from San José for as low as C$ 598 on momondo.

There are 2 cabin classes available to choose from on San José to Montreal 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 23% on your flight if you consider stops on a San José to Montreal flight.

As of May 2026, prices for San José to Montreal flights are approximately 20% more expensive when compared to flights at the same time last year.

Historically, on average around 6% of flights between San José and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

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

Wednesday 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 Transat has had the least delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.