Cheap flights from Montreal to Calgary from C$ 156

The cheapest month to fly to Calgary from Montreal is in May. Flight prices, which tend to average around C$ 330, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Calgary from Montreal during April instead. Flights to Calgary in April, while not as cheap as those in May, still average around C$ 385.

The cheapest day to depart on your flight to Calgary is on a Thursday when prices can be found for as low as C$ 474. 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 Montreal because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 564.

Our data shows that the cheapest Montreal to Calgary flights are usually those with departure times in the evening. Our users have found flights to Calgary in the evening for as low as C$ 478. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 566 on average. Flights to Calgary from Montreal at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Calgary from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Montreal for as low as C$ 356 on momondo.

You could potentially save up to 30% on your flight if you consider stops on a Montreal to Calgary flight.

As of May 2026, prices for Montreal to Calgary flights are approximately 70% more expensive when compared to flights at the same time last year.

Porter Airlines and WestJet are the most popular carriers operating from Montreal to Calgary

WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to Calgary from Montreal 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 Calgary. Keep in mind that there are 4 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% of flights between Montreal and Calgary have experienced a delay on any given week. The average delay length over the past 12 months has been 148 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening 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. 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 25% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 98% of momondo users choosing one-stop flights on this route connected there.

Flights via Toronto (YYZ) offer the lowest average round-trip price of C$ 386.

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 7h 31m.

Vancouver (YVR) has the shortest average layover time for this route: 1h 03m.

22 flights are operational daily from Montreal to Calgary as of May 2026. The most popular departure time for this route is 1:00p.m., with 44% of flights per day taking off in the afternoon.

154 flights are operational weekly from Montreal to Calgary as of May 2026. The most popular departure day for this route is Sun, with 17% of flights per week taking off on this day.