Cheapest return flights from Philadelphia to Toronto in May from $251

Best time to book flights for Philadelphia (PHL) to Toronto (YYZ) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Toronto (YYZ) in May 2025 (see full year).

Return flights

31 May - 01 Jun Spirit Airlines
12 May - 15 May Spirit Airlines
10 May - 12 May Spirit Airlines
16 May - 18 May Spirit Airlines
23 May - 26 May Spirit Airlines
12 May - 15 May Air Canada direct
10 May - 12 May Air Canada direct
16 May - 18 May Air Canada direct
23 May - 26 May Air Canada direct
31 May - 01 Jun Air Canada direct
21 May - 28 May Air Canada direct

Also check the deals for one-way flights from Philadelphia to Toronto in May.

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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