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

Return flights

05 Dec - 09 Dec	Viva
04 Dec - 09 Dec	Viva
05 Dec - 16 Dec	Viva
11 Dec - 16 Dec	Viva
04 Dec - 16 Dec	Viva
15 Dec - 27 Dec	Viva
14 Dec - 27 Dec	Viva
11 Dec - 27 Dec	Viva
21 Dec - 27 Dec	Viva
05 Dec - 10 Dec	Aeromexico
29 Dec - 05 Jan	Volaris
23 Dec - 07 Jan	Volaris
28 Dec - 05 Jan	Viva
25 Dec - 01 Jan	Copa
26 Dec - 05 Jan	Viva
25 Dec - 04 Jan	Viva
25 Dec - 03 Jan	Viva
24 Dec - 03 Jan	Volaris
29 Dec - 04 Jan	Volaris
21 Dec - 05 Jan	Aeromexico

Also check the deals for one-way flights from Guadalajara to San Jose 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 Guadalajara to San Jose in December from $214

Return flights