Cheap flights from Costa Rica to Montreal from C$ 316

The cheapest month to fly to Montreal from Costa Rica is in December. Flight prices, which tend to average around C$ 183, 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 Costa Rica during November instead. Flights to Montreal in November, while not as cheap as those in December, still average around C$ 185.

Our data shows that Tuesday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 270. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Costa Rica to Montreal for around C$ 400.

Our data shows that the cheapest Costa Rica to Montreal flights are usually those with departure times at noon. Our users have found flights to Montreal at noon for as low as C$ 251. Flights in the afternoon are often more expensive with an average ticket price of C$ 333.

Fly from Liberia to Montreal Pierre Elliott Trudeau Intl for the best Costa Rica - Montreal flight prices

You could potentially save up to 18% on your flight if you consider stops on a Costa Rica to Montreal flight.

Historically, on average around 13% of flights between Costa Rica and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 123 minutes.

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

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Monday 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 9% of their flights experiencing any sort of delay.

As of May 2026, there are 5 flights per week flying from Costa Rica to Montreal. The most common day of the week flights depart is Mon, with 40% of flights taking off on this day.

The average flight duration from Costa Rica to Montreal depends on which airport you fly into and out of. Flying from Liberia to Montreal Pierre Elliott Trudeau Intl Airport is 5h 30m on average, while flying from San José to Montreal Pierre Elliott Trudeau Intl Airport is 5h 40m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Montreal.