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

Return flights

11 Oct - 17 Oct	Spirit Airlines
10 Oct - 12 Oct	Spirit Airlines
29 Oct - 12 Nov	Spirit Airlines
19 Oct - 26 Oct	Spirit Airlines
11 Oct - 13 Oct	Spirit Airlines
22 Oct - 08 Nov	Spirit Airlines
10 Oct - 13 Oct	Spirit Airlines
19 Oct - 26 Oct	Air Canada	direct
11 Oct - 17 Oct	Air Canada	direct
15 Oct - 16 Oct	Air Canada	direct
11 Oct - 13 Oct	Air Canada	direct
10 Oct - 12 Oct	Air Canada	direct

Also check the deals for one-way flights from Columbus to Toronto in October.

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 October from $267

Return flights