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

Return flights

21 Aug - 26 Aug	Spirit Airlines
25 Aug - 03 Sep	Spirit Airlines
25 Aug - 04 Sep	Spirit Airlines
20 Aug - 24 Aug	Spirit Airlines
26 Aug - 28 Aug	Spirit Airlines
09 Aug - 13 Aug	Spirit Airlines
20 Aug - 25 Aug	Spirit Airlines
10 Aug - 20 Aug	Spirit Airlines
07 Aug - 14 Aug	Frontier Airlines
22 Aug - 29 Aug	Spirit Airlines
25 Aug - 04 Sep	Air Canada	direct
25 Aug - 03 Sep	Air Canada	direct
17 Aug - 24 Aug	Delta
21 Aug - 26 Aug	Air Canada	direct

Also check the deals for one-way flights from Columbus 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 Columbus to Toronto in August from 255€

Return flights