Cheap flights from Ottawa to Calgary from C$ 175

The cheapest month to fly to Calgary from Ottawa is in May. Flight prices, which tend to average around C$ 316, 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 Ottawa during June instead. Flights to Calgary in June, while not as cheap as those in May, still average around C$ 318.

The cheapest day to depart on your flight to Calgary is on a Thursday when prices can be found for as low as C$ 386. 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 Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 446.

Our data shows that the cheapest Ottawa 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$ 368. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 431 on average. Flights to Calgary from Ottawa in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Ottawa to Calgary for the best Ottawa - Calgary flight prices

You are more likely to see cheaper flights to Calgary from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 376 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Ottawa for as low as C$ 290 on momondo.

There are 3 cabin classes available to choose from on Ottawa to Calgary 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 6% on your flight if you consider stops on a Ottawa to Calgary flight.

As of February 2026, prices for Ottawa to Calgary flights are approximately 18% more expensive when compared to flights at the same time last year.

WestJet is the most popular carrier operating from Ottawa to Calgary

WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to Calgary from Ottawa according to our data. WestJet is the first choice among our users, with 52% 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 21% of flights between Ottawa and Calgary have experienced a delay on any given week. The average delay length over the past 12 months has been 141 minutes.

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

Monday 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 18% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 88% of momondo users choosing one-stop flights on this route connected there.

Flights via Edmonton (YEG) offer the lowest average round-trip price of C$ 342.

Flights connecting via Edmonton (YEG) have the shortest average one-way travel time: 6h 35m.

Edmonton (YEG) has the shortest average layover time for this route: 1h 25m.

As of February 2026, there are 7 flights per day flying from Ottawa to Calgary. The most common time of day flights depart is 6:00a.m., with 46% of flights taking off at noon.

As of February 2026, there are 53 flights per week flying from Ottawa to Calgary. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.