Cheap flights from San José to Montreal from C$ 396

The cheapest month to fly to Montreal from San José is in November. Flight prices, which tend to average around C$ 564, 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 San José during December instead. Flights to Montreal in December, while not as cheap as those in November, still average around C$ 709.

Our data shows that Thursday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 333. 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$ 675.

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$ 471. Flights in the evening are often more expensive with an average ticket price of C$ 634.

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$ 807 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$ 608 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 8% on your flight if you consider stops on a San José to Montreal flight.

As of October 2026, prices for San José to Montreal flights are approximately 2% more expensive when compared to flights at the same time last year.

Porter Airlines, American Airlines, and Air Canada are the most popular carriers operating from San José Juan Santamaria Intl to Montreal

Air Canada, Avianca and Air Transat are the top three most popular airlines that fly to Montreal from San José according to our data. Air Canada is the first choice among our users, with 51% 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 8% 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 118 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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 Canada has had the least delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.