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

Return flights

19 Aug - 28 Aug	Volaris Costa Rica	direct
19 Aug - 01 Sep	Volaris Costa Rica	direct
27 Aug - 03 Sep	Volaris	direct
28 Aug - 01 Sep	Volaris Costa Rica	direct
21 Aug - 28 Aug	Volaris Costa Rica	direct
31 Aug - 06 Sep	Volaris Costa Rica
30 Aug - 06 Sep	Volaris
23 Aug - 27 Aug	Volaris	direct
18 Aug - 22 Aug	Volaris	direct
18 Aug - 23 Aug	Volaris	direct
22 Aug - 26 Aug	Copa
20 Aug - 27 Aug	Copa
20 Aug - 27 Aug	Volaris	direct
22 Aug - 25 Aug	Copa
28 Aug - 30 Aug	Copa
29 Aug - 01 Sep	Avianca
31 Aug - 05 Sep	Avianca
26 Aug - 02 Sep	Avianca

Also check the deals for one-way flights from San Jose to Cancun in August.

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 San Jose to Cancun in August from 181€

Return flights