Cheap flights from Calgary to Ottawa from C$ 157

The month of May is, on average, the cheapest month to fly to Ottawa from Calgary, with most prices found around C$ 300. If you aren’t able to travel to Ottawa during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of C$ 303.

Our data shows that Thursday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 383. Flights from Calgary to Ottawa on a Saturday will generally be more expensive and average around C$ 434. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Ottawa is in the afternoon. Flights from Calgary to Ottawa during this time can be as low as C$ 381. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 467 per ticket.

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

You are more likely to see cheaper flights to Ottawa from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from Calgary for as low as C$ 280 on momondo.

There are 4 cabin classes available to choose from on Calgary to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

WestJet is the most popular carrier operating from Calgary to Ottawa

WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to Ottawa from Calgary according to our data. WestJet is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 4 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Calgary and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 146 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.

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

According to our data, Porter Airlines has had the least delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Toronto (YYZ) was the most common stop: 80% 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$ 344.

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 6h 29m.

Toronto (YYZ) has the shortest average layover time for this route: 1h 35m.

The number of flights available between Calgary and Ottawa is 5 per day as of February 2026. The most frequent departure time is 6:00p.m., with 50% of daily flights leaving at noon.

40 flights are operational weekly from Calgary to Ottawa as of February 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.