Cheap flights from Costa Rica to Montreal from C$ 240

The cheapest month to fly to Montreal from Costa Rica is in November. Flight prices, which tend to average around C$ 523, 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 Costa Rica during January instead. Flights to Montreal in January, while not as cheap as those in November, still average around C$ 632.

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$ 210. 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$ 414.

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$ 291. Flights in the afternoon are often more expensive with an average ticket price of C$ 299.

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

There are 2 cabin classes available to choose from on Costa Rica 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 Costa Rica to Montreal flight.

Air Transat, Air Canada, and Copa Airlines are the most popular carriers operating from Costa Rica to Montreal

Air Canada, Avianca and Air Transat are the top three most popular airlines that fly to Montreal from Costa Rica according to our data. Air Canada is the first choice among our users, with 40% 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 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 116 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.

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 11% of their flights experiencing any sort of delay.

As of August 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 60% 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 35m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Montreal.