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

Return flights

13 Dec - 09 Jan	Air Transat
08 Dec - 07 Jan	Flair Airlines
06 Dec - 09 Jan	WestJet
05 Dec - 07 Jan	WestJet
04 Dec - 05 Dec	Aeromexico
09 Dec - 07 Jan	WestJet
10 Dec - 07 Jan	WestJet
13 Dec - 05 Jan	Flair Airlines
04 Dec - 05 Dec	Air Canada	direct
06 Dec - 02 Jan	WestJet
13 Dec - 07 Jan	Flair Airlines
06 Dec - 04 Jan	WestJet
19 Dec - 24 Dec	WestJet
24 Dec - 31 Dec	WestJet
19 Dec - 26 Dec	Flair Airlines	direct
22 Dec - 29 Dec	Flair Airlines	direct
23 Dec - 30 Dec	WestJet
20 Dec - 25 Dec	WestJet
21 Dec - 28 Dec	Flair Airlines
20 Dec - 27 Dec	WestJet

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 $439

Return flights