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

Return flights

30 Oct - 18 Nov	Viva
30 Oct - 08 Nov	Viva
30 Oct - 15 Nov	Viva
02 Oct - 05 Oct	Aeromexico
16 Oct - 17 Oct	Aeromexico
05 Oct - 10 Oct	Aeromexico
15 Oct - 19 Oct	Aeromexico
02 Oct - 08 Oct	Aeromexico
31 Oct - 14 Nov	Aeromexico
19 Oct - 26 Oct	Aeromexico
10 Oct - 10 Nov	Aeromexico
19 Oct - 20 Oct	Aeromexico
12 Oct - 22 Oct	Aeromexico

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

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 October from 213€

Return flights