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

Return flights

30 Jul - 31 Aug	Aeromexico
05 Jul - 13 Jul	Copa
05 Jul - 12 Jul	Copa
28 Jul - 04 Aug	Aeromexico
21 Jul - 26 Jul	Aeromexico
21 Jul - 25 Jul	Aeromexico
30 Jul - 04 Aug	Aeromexico
28 Jul - 03 Aug	Aeromexico
07 Jul - 24 Jul	Aeromexico
08 Jul - 29 Jul	Aeromexico
09 Jul - 30 Jul	Aeromexico
25 Jul - 28 Jul	Aeromexico
09 Jul - 13 Jul	Aeromexico
20 Jul - 25 Jul	Aeromexico

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

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 July from 245€

Return flights