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

Return flights

04 Dec - 07 Dec	Allegiant Air
08 Dec - 12 Dec	Allegiant Air
06 Dec - 22 Dec	Allegiant Air
07 Dec - 22 Dec	Allegiant Air
08 Dec - 15 Dec	Allegiant Air
08 Dec - 22 Dec	Allegiant Air
09 Dec - 16 Dec	Allegiant Air
08 Dec - 29 Dec	Allegiant Air
25 Dec - 29 Dec	Volaris	direct
13 Dec - 20 Dec	Allegiant Air
22 Dec - 12 Jan	Allegiant Air
23 Dec - 14 Jan	Allegiant Air
22 Dec - 11 Jan	Allegiant Air
24 Dec - 01 Jan	Volaris	direct
17 Dec - 06 Jan	Allegiant Air
27 Dec - 08 Jan	Volaris
19 Dec - 09 Jan	Allegiant Air
13 Dec - 04 Jan	Allegiant Air
23 Dec - 14 Jan	Volaris	direct
22 Dec - 12 Jan	Volaris	direct

Also check the deals for one-way flights from Fresno 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 Fresno to Guadalajara in December from $346

Return flights