AirHint found the following cheapest return flights from Toronto (YTZ) to Cancun (CUN) in October 2025 (see full year).

Return flights

05 Oct - 14 Oct	Air Canada
01 Oct - 07 Oct	Air Transat
29 Oct - 03 Nov	Air Transat
28 Oct - 04 Nov	Air Transat
13 Oct - 20 Oct	Air Transat
05 Oct - 12 Oct	Air Transat
26 Oct - 05 Nov	Air Transat
26 Oct - 29 Oct	Air Transat
29 Oct - 01 Nov	Air Transat
28 Oct - 01 Nov	Air Transat
14 Oct - 18 Oct	Air Transat
05 Oct - 11 Oct	Air Transat
28 Oct - 31 Oct	Air Transat
22 Oct - 26 Oct	Air Transat
03 Oct - 07 Oct	Air Canada
26 Oct - 02 Nov	Air Transat
31 Oct - 04 Nov	Air Transat
30 Oct - 07 Nov	Air Transat
31 Oct - 11 Nov	Air Transat
20 Oct - 10 Nov	Air Transat

Also check the deals for one-way flights from Toronto to Cancun 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 Toronto to Cancun in October from $304

Return flights