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

Return flights

24 Dec - 13 Jan	Viva
24 Dec - 13 Jan	Flair Airlines	direct
24 Dec - 12 Jan	Volaris
23 Dec - 11 Jan	Volaris
24 Dec - 10 Jan	Volaris
24 Dec - 08 Jan	Volaris
24 Dec - 31 Dec	Volaris
29 Dec - 15 Jan	Viva
25 Dec - 10 Jan	Viva
23 Dec - 30 Dec	Volaris
20 Dec - 10 Jan	Viva
29 Dec - 09 Jan	Viva
23 Dec - 31 Dec	Viva
20 Dec - 30 Dec	Viva
26 Dec - 31 Dec	United
20 Dec - 31 Dec	Viva
23 Dec - 29 Dec	Viva
21 Dec - 30 Dec	Viva
22 Dec - 30 Dec	Viva
23 Dec - 28 Dec	Volaris

Also check the deals for one-way flights from Mexico City to Toronto in December.

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 December from 325€

Return flights