Cheapest one-way flights from Philadelphia to Toronto in September from $116

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Toronto (YYZ) in September 2025 (see full year).

One-Way flights

23 Sep Spirit Airlines
19 Sep Spirit Airlines
08 Sep Spirit Airlines
14 Sep Spirit Airlines
23 Sep Air Canada direct
27 Sep Air Canada direct
14 Sep Air Canada direct
19 Sep Air Canada direct
08 Sep American Airlines direct

Also check the deals for return flights from Philadelphia to Toronto in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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