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

Return flights

11 Aug - 21 Aug	Spirit Airlines
21 Aug - 23 Aug	Spirit Airlines
18 Aug - 25 Aug	Spirit Airlines
07 Aug - 09 Aug	Spirit Airlines
01 Aug - 03 Aug	Spirit Airlines
11 Aug - 21 Aug	Air Canada	direct
07 Aug - 09 Aug	Air Canada	direct
01 Aug - 03 Aug	Air Canada	direct
21 Aug - 23 Aug	Air Canada	direct
18 Aug - 25 Aug	Air Canada	direct

Also check the deals for one-way flights from Charleston 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 Charleston to Toronto in August from $260

Return flights