Cheap flights from Ottawa to Toronto from C$ 121

If you aren’t able to travel during the month of August, then book flights to Toronto Pearson Intl Airport from Ottawa during May instead. Flights to Toronto Pearson Intl Airport in May, while not as cheap as those in August, still average around C$ 262.

Our data shows that Friday is the least expensive day to fly to Toronto Pearson Intl Airport. Tickets to fly out on this day can be as low as C$ 702. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to Toronto Pearson Intl Airport for around C$ 822.

Our data shows that the cheapest Ottawa to Toronto Pearson Intl Airport flights are usually those with departure times in the morning. Our users have found flights to Toronto Pearson Intl Airport in the morning for as low as C$ 645. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 1,142 on average. Flights to Toronto Pearson Intl Airport from Ottawa in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Ottawa to Toronto Pearson Intl for the best Ottawa - Toronto Pearson Intl flight prices

You are more likely to see cheaper flights to Toronto Pearson Intl Airport from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Pearson Intl Airport for around C$ 336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Pearson Intl Airport from Ottawa for as low as C$ 194 on momondo.

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

WestJet and Porter Airlines are the most popular carriers operating from Ottawa to Toronto Pearson Intl

WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to Toronto Pearson Intl Airport 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 Toronto Pearson Intl Airport. Keep in mind that there are 4 different airlines that fly to Toronto Pearson Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% 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 112 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.

Wednesday 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, Porter Airlines has had the least delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

As of August 2026, there are 62 flights per day flying from Ottawa to Toronto Pearson Intl Airport. The most common time of day flights depart is 6:00p.m., with 37% of flights taking off at noon.

As of August 2026, there are 437 flights per week flying from Ottawa to Toronto Pearson Intl Airport. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.