Cheap flights from Ontario to Calgary from C$ 106

The cheapest month to fly to Calgary from Region of Ontario is in January. Flight prices, which tend to average around C$ 195, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Calgary from Region of Ontario during November instead. Flights to Calgary in November, while not as cheap as those in January, still average around C$ 242.

The cheapest day to depart on your flight to Calgary is on a Thursday when prices can be found for as low as C$ 355. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 382.

Our data shows that the cheapest Region of Ontario 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$ 340. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 375 on average. Flights to Calgary from Region of Ontario in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Thunder Bay to Calgary for the best Ontario - Calgary flight prices

You are more likely to see cheaper flights to Calgary from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Region of Ontario for as low as C$ 305 on momondo.

WestJet, Flair Airlines, and Porter Airlines are the most popular carriers operating from Ontario to Calgary

WestJet, Flair Airlines and Porter Airlines are the top three most popular airlines that fly to Calgary from Region of Ontario according to our data. WestJet is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 5 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

The number of flights available between Region of Ontario and Calgary is 91 per day as of May 2026. The most frequent departure time is 6:00p.m., with 38% of daily flights leaving in the evening.

As of May 2026, 642 flights take off from Region of Ontario and land in Calgary each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.