Cheap flights from Philadelphia to Ontario from $140

The month of April is, on average, the cheapest month to fly to Region of Ontario from Philadelphia, with most prices found around $483. If you aren’t able to travel during the month of April, then book flights to Region of Ontario from Philadelphia during January instead. Flights to Region of Ontario in January, while not as cheap as those in April, still average around $529.

According to our data, Friday is the cheapest day to fly to Region of Ontario from Philadelphia. The lowest ticket price found for a Friday departure recently was $771. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Philadelphia to Region of Ontario on a Sunday will generally be more expensive and average around $1,011. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from Philadelphia to Region of Ontario at noon for as low as $581. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,359.

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

You are more likely to see cheaper flights to Region of Ontario from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $565 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Philadelphia for as low as $339 on momondo.

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

Delta, Air Canada, and Porter Airlines are the most popular carriers operating from Philadelphia to Ontario

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from Philadelphia according to our data. Air Canada is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

As of July 2026, there are 29 flights per day flying from Philadelphia to Region of Ontario. The most common time of day flights depart is 4:00PM, with 39% of flights taking off at noon.

The number of flights available between Philadelphia and Region of Ontario is 203 per week as of July 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.