Cheap flights from Calgary to Montreal from C$ 172

The month of November is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Calgary, with most prices found around C$ 339. The month of April is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Calgary averaging around C$ 368.

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Friday when prices can be found for as low as C$ 561. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Calgary because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 900.

In the afternoon is the cheapest time of day to fly from Calgary to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 468. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around C$ 1,121. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Calgary to Montreal Pierre Elliott Trudeau Intl for the best Calgary - Montreal Pierre Elliott Trudeau Intl flight prices

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around C$ 448 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Calgary for as low as C$ 383 on momondo.

There are 4 cabin classes available to choose from on Calgary 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.

You could potentially save up to 32% on your flight if you consider stops on a Calgary to Montreal Pierre Elliott Trudeau Intl Airport flight.

As of September 2026, prices for Calgary to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 13% more expensive when compared to flights at the same time last year.

Porter Airlines and Air Canada are the most popular carriers operating from Calgary to Montreal Pierre Elliott Trudeau Intl

WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Calgary according to our data. WestJet is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 4 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Calgary and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, WestJet has had the least delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

As of September 2026, 20 flights take off from Calgary and land in Montreal Pierre Elliott Trudeau Intl Airport each day. The most common flight departure time for this route is 6:00a.m., with 47% of daily flights taking off at noon.

As of September 2026, 141 flights take off from Calgary and land in Montreal Pierre Elliott Trudeau Intl Airport each week. The most common flight departure day for this route is Mon, with 23% of weekly flights taking off on this day.