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

Return flights

30 Sep - 02 Oct	Flair Airlines	direct
30 Sep - 04 Oct	Flair Airlines	direct
16 Sep - 20 Sep	Flair Airlines	direct
20 Sep - 25 Sep	Flair Airlines	direct
23 Sep - 04 Oct	Flair Airlines	direct
20 Sep - 27 Sep	Flair Airlines	direct
04 Sep - 20 Sep	Flair Airlines	direct
04 Sep - 18 Sep	Flair Airlines	direct
11 Sep - 13 Sep	Flair Airlines	direct
02 Sep - 20 Sep	Flair Airlines	direct
09 Sep - 13 Sep	Flair Airlines	direct
19 Sep - 23 Sep	WestJet
11 Sep - 15 Sep	Flair Airlines
24 Sep - 05 Oct	WestJet

Also check the deals for one-way flights from Toronto to Guadalajara in September.

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.

Book a cheap hotel in Guadalajara

Cheap car rent in Guadalajara

Cheapest return flights from Toronto to Guadalajara in September from $264

Return flights