AirHint found the following cheapest return flights from Pittsburgh (PIT) to Toronto (YYZ) in August 2025 (see full year).

Return flights

12 Aug - 14 Aug	Spirit Airlines
08 Aug - 10 Aug	Spirit Airlines
09 Aug - 16 Aug	Spirit Airlines
16 Aug - 23 Aug	American Airlines
29 Aug - 01 Sep	Allegiant Air
09 Aug - 16 Aug	Air Canada	direct
12 Aug - 14 Aug	Air Canada	direct
29 Aug - 01 Sep	Air Canada	direct
08 Aug - 10 Aug	Air Canada	direct
01 Aug - 03 Aug	Delta
01 Aug - 03 Aug	Air Canada	direct

Also check the deals for one-way flights from Pittsburgh to Toronto in August.

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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Cheapest return flights from Pittsburgh to Toronto in August from $271

Return flights