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

Return flights

11 Dec - 27 Dec	Alaska Airlines
11 Dec - 27 Dec	Volaris	direct
11 Dec - 19 Dec	Alaska Airlines	direct
11 Dec - 21 Dec	Alaska Airlines	direct
16 Dec - 06 Jan	Volaris
17 Dec - 06 Jan	Volaris
16 Dec - 05 Jan	Volaris
17 Dec - 05 Jan	Volaris
17 Dec - 06 Jan	Volaris	direct
17 Dec - 05 Jan	Volaris	direct
16 Dec - 06 Jan	Volaris	direct
18 Dec - 28 Dec	Alaska Airlines
16 Dec - 05 Jan	Volaris	direct
11 Dec - 03 Jan	Alaska Airlines
18 Dec - 10 Jan	Alaska Airlines

Also check the deals for one-way flights from San Jose 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 San Jose to Guadalajara in December from $554

Return flights