Cheap flights from Montreal to Ottawa from C$ 180

The month of June is, on average, the cheapest month to fly to Ottawa from Montreal, with most prices found around C$ 0. If you aren’t able to travel to Ottawa during the month of June, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 0.

Our data shows that Wednesday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 554. Flights from Montreal to Ottawa on a Thursday will generally be more expensive and average around C$ 775. 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 at noon. Flights from Montreal to Ottawa during this time can be as low as C$ 580. In the evening is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 736 per ticket.

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

Historically, on average around 28% of flights between Montreal and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 94 minutes.

Generally, flights departing in the morning 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. Wednesday 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 27% of their flights experiencing any sort of delay.

The number of flights available between Montreal and Ottawa is 7 per day as of November 2026. The most frequent departure time is 6:00p.m., with 44% of daily flights leaving in the evening.

49 flights are operational weekly from Montreal to Ottawa as of November 2026. The most popular departure day for this route is Wed, with 27% of flights per week taking off on this day.