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

Return flights

30 Jul - 07 Aug	Avianca	direct
30 Jul - 06 Aug	Avianca	direct
31 Jul - 08 Aug	Avianca	direct
31 Jul - 07 Aug	Avianca	direct
29 Jul - 07 Aug	Avianca
30 Jul - 04 Aug	Avianca	direct
29 Jul - 04 Aug	Avianca
29 Jul - 07 Aug	Avianca	direct
29 Jul - 04 Aug	Avianca	direct
31 Jul - 29 Aug	Avianca	direct

Also check the deals for one-way flights from Mexico City 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 Mexico City to San Jose in July from 209€

Return flights