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

Return flights

07 Oct - 12 Oct	Arajet
07 Oct - 14 Oct	Arajet
02 Oct - 08 Oct	Arajet
16 Oct - 22 Oct	Arajet
22 Oct - 07 Nov	Viva
06 Oct - 27 Oct	Viva
25 Oct - 02 Nov	Viva
06 Oct - 11 Oct	Viva
23 Oct - 26 Oct	Viva
03 Oct - 11 Oct	Viva
02 Oct - 09 Oct	Arajet
21 Oct - 27 Oct	Arajet
30 Oct - 03 Nov	Arajet
23 Oct - 03 Nov	Viva
30 Oct - 17 Nov	WestJet
30 Oct - 16 Nov	WestJet
18 Oct - 02 Nov	Volaris
25 Oct - 09 Nov	Viva
26 Oct - 01 Nov	Viva
24 Oct - 09 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 264€

Return flights