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

Return flights

02 Oct - 07 Oct	Arajet
02 Oct - 16 Oct	Arajet
02 Oct - 09 Oct	Arajet
02 Oct - 11 Oct	Arajet
02 Oct - 08 Oct	Arajet
30 Oct - 06 Nov	Arajet
10 Oct - 24 Oct	Viva
15 Oct - 11 Nov	Viva
03 Oct - 06 Oct	Volaris
01 Oct - 16 Oct	Viva
09 Oct - 16 Oct	Viva
06 Oct - 20 Oct	Viva
29 Oct - 15 Nov	Flair Airlines	direct
23 Oct - 01 Nov	Viva
28 Oct - 02 Nov	Volaris
26 Oct - 02 Nov	Mexicana
22 Oct - 07 Nov	Viva
29 Oct - 02 Nov	Volaris
31 Oct - 08 Nov	Flair Airlines	direct
17 Oct - 01 Nov	Viva

Also check the deals for one-way flights from Mexico City 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 Mexico City to Toronto in October from $279

Return flights