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

Return flights

25 Dec - 31 Dec	Arajet
02 Dec - 07 Dec	Arajet
25 Dec - 11 Jan	Arajet
02 Dec - 09 Dec	Arajet
01 Dec - 05 Dec	Viva
25 Dec - 06 Jan	Arajet
04 Dec - 07 Dec	WestJet
08 Dec - 15 Dec	Volaris
28 Dec - 08 Jan	Volaris
13 Dec - 22 Jan	Viva
07 Dec - 13 Dec	Volaris
15 Dec - 25 Dec	Aeromexico
21 Dec - 14 Jan	Viva
07 Dec - 12 Dec	Volaris
16 Dec - 16 Dec	Viva
30 Dec - 10 Jan	Volaris
19 Dec - 03 Jan	Viva
29 Dec - 09 Jan	Viva
22 Dec - 02 Jan	Viva
20 Dec - 02 Jan	Viva

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 296€

Return flights