Cheap flights from Ontario to Philadelphia from C$ 264

The cheapest month to fly to Philadelphia from Region of Ontario is in April. Flight prices, which tend to average around C$ 581, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Philadelphia, with average flight prices from Region of Ontario averaging around C$ 607.

Our data shows that Sunday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as C$ 725. Flights from Region of Ontario to Philadelphia on a Monday will generally be more expensive and average around C$ 1,050. 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 Philadelphia is at noon. momondo users have found flights departing from Region of Ontario to Philadelphia at noon for as low as C$ 620. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around C$ 1,380. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Philadelphia from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around C$ 658 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Region of Ontario for as low as C$ 517 on momondo.

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

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

Porter Airlines, Air Canada and Delta are the top three most popular airlines that fly to Philadelphia from Region of Ontario according to our data. Porter Airlines is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Philadelphia. Keep in mind that there are 7 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

17 flights are operational daily from Region of Ontario to Philadelphia as of November 2026. The most popular departure time for this route is 9:00p.m., with 45% of flights per day taking off in the afternoon.

The number of flights available between Region of Ontario and Philadelphia is 121 per week as of November 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.