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

Return flights

31 Oct - 03 Nov	Volaris
10 Oct - 16 Oct	Volaris
28 Oct - 07 Nov	Viva
25 Oct - 17 Nov	Volaris
27 Oct - 03 Nov	Volaris
24 Oct - 07 Nov	Volaris
27 Oct - 17 Nov	Volaris
16 Oct - 21 Oct	Volaris
26 Oct - 17 Nov	Viva
22 Oct - 27 Oct	Volaris
24 Oct - 17 Nov	Volaris
30 Oct - 13 Nov	Volaris
02 Oct - 12 Oct	Volaris
04 Oct - 09 Oct	Volaris
12 Oct - 18 Oct	Viva
27 Oct - 06 Nov	Volaris
16 Oct - 23 Oct	Volaris
10 Oct - 16 Oct	Air Canada	direct
22 Oct - 27 Oct	Air Canada	direct

Also check the deals for one-way flights from Monterrey 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 Monterrey to Toronto in October from $366

Return flights