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

Return flights

08 Dec - 20 Dec	Viva
15 Dec - 20 Dec	Viva
28 Dec - 05 Jan	Copa
08 Dec - 14 Dec	Aeromexico
24 Dec - 29 Dec	Viva
23 Dec - 26 Dec	Copa
23 Dec - 02 Jan	Copa
24 Dec - 02 Jan	Copa
15 Dec - 26 Dec	Volaris
26 Dec - 02 Jan	Copa
22 Dec - 02 Jan	Viva

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 230€

Return flights