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

Return flights

22 Jul - 30 Jul	Volaris	direct
08 Jul - 22 Jul	Copa
09 Jul - 22 Jul	Copa
10 Jul - 22 Jul	Copa
22 Jul - 28 Jul	Avianca
10 Jul - 21 Jul	Copa
23 Jul - 29 Jul	Avianca
09 Jul - 23 Jul	Avianca
25 Jul - 01 Aug	Copa
10 Jul - 23 Jul	Copa
08 Jul - 23 Jul	Copa
29 Jul - 19 Aug	Avianca
29 Jul - 06 Aug	Avianca
27 Jul - 04 Aug	Copa

Also check the deals for one-way flights from Cancun 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 Cancun to San Jose in July from $223

Return flights