AirHint found the following cheapest return flights from Guadalajara (GDL) to San Jose (SJO) in January 2026 (see full year).

Return flights

09 Jan - 15 Jan	Viva
02 Jan - 11 Jan	Viva
15 Jan - 18 Jan	Copa
19 Jan - 23 Jan	Copa
21 Jan - 25 Jan	Copa
02 Jan - 06 Jan	Viva
17 Jan - 21 Jan	Copa
30 Jan - 07 Feb	Copa
30 Jan - 08 Feb	Copa
14 Jan - 21 Jan	Copa
02 Jan - 11 Jan	Volaris Costa Rica	direct
16 Jan - 19 Jan	Copa
31 Jan - 07 Feb	Copa
31 Jan - 01 Feb	Copa

Also check the deals for one-way flights from Guadalajara to San Jose in January.

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 January from 208€

Return flights