Cheap flights from Costa Rica to Montreal from C$ 298

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Tuesday when prices can be found for as low as C$ 270. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Costa Rica because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 401.

At noon is the cheapest time of day to fly from Costa Rica to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 252. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around C$ 345. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

There are 3 cabin classes available to choose from on Costa Rica to Montreal Pierre Elliott Trudeau Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 12% 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 124 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.

Saturday 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 10% of their flights experiencing any sort of delay.

As of April 2026, 6 flights take off from Costa Rica and land in Montreal Pierre Elliott Trudeau Intl Airport each week. The most common flight departure day for this route is Wed, with 33% of weekly flights taking off on this day.

The flight from Costa Rica to Montreal Pierre Elliott Trudeau Intl Airport depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Liberia (a popular airport in Costa Rica) to Montreal Pierre Elliott Trudeau Intl Airport (the most popular airport in Montreal Pierre Elliott Trudeau Intl Airport), then the flight time is 5h 30m on average. If you fly from San José (another popular airport in Costa Rica) to Montreal Pierre Elliott Trudeau Intl Airport, then the average flight time is 5h 45m.