Cheap flights from Ottawa to Toronto from C$ 127

The cheapest month to fly to Toronto Island Airport from Ottawa is in August. Flight prices, which tend to average around C$ 291, are often lower during this time because this is during the off-season. If you aren’t able to travel to Toronto Island Airport during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 305.

On average, the least expensive day to fly to Toronto Island Airport from Ottawa is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 436. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 469. These prices are subject to change though, so be sure to set up a Price Alert for flights to Toronto Island Airport.

Flying to Toronto Island Airport from Ottawa in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 443 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Toronto Island Airport is in the evening when prices are around C$ 664.

Fly from Ottawa to Toronto Island for the best Ottawa - Toronto Island flight prices

You are more likely to see cheaper flights to Toronto Island Airport from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Island Airport for around C$ 390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Island Airport from Ottawa for as low as C$ 285 on momondo.

Porter Airlines is the most popular carrier operating from Ottawa to Toronto Island

Porter Airlines, Air Canada and Air Transat are the top three most popular airlines that fly to Toronto Island Airport from Ottawa according to our data. Porter Airlines is the first choice among our users, with 82% of people opting to fly with this airline when travelling to Toronto Island Airport. Keep in mind that there are 3 different airlines that fly to Toronto Island Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Ottawa and Toronto have experienced a delay on any given week. The average delay length over the past 12 months has been 98 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. 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 18% of their flights experiencing any sort of delay.

As of May 2026, there are 16 flights per day flying from Ottawa to Toronto Island Airport. The most common time of day flights depart is 5:00p.m., with 44% of flights taking off in the afternoon.

As of May 2026, there are 116 flights per week flying from Ottawa to Toronto Island Airport. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.