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

Return flights

08 Dec - 15 Dec	Flair Airlines
01 Dec - 08 Dec	Flair Airlines	direct
01 Dec - 16 Dec	Flair Airlines
11 Dec - 18 Dec	WestJet
14 Dec - 21 Dec	Flair Airlines
17 Dec - 24 Dec	WestJet
12 Dec - 19 Dec	WestJet
16 Dec - 11 Jan	Air Transat
22 Dec - 30 Dec	Flair Airlines
15 Dec - 22 Dec	WestJet
16 Dec - 09 Jan	Air Transat
09 Dec - 29 Dec	WestJet
17 Dec - 09 Jan	WestJet
19 Dec - 16 Jan	WestJet
18 Dec - 17 Jan	Flair Airlines
05 Dec - 02 Jan	Aeromexico
19 Dec - 12 Jan	WestJet
19 Dec - 18 Jan	WestJet
25 Dec - 04 Jan	Aeromexico
16 Dec - 09 Jan	Air Canada	direct

Also check the deals for one-way flights from Toronto to Guadalajara 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 Toronto to Guadalajara in December from $360

Return flights