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

Return flights

03 Sep - 12 Sep	Volaris	direct
26 Sep - 03 Oct	Volaris	direct
24 Sep - 08 Oct	Volaris	direct
20 Sep - 30 Sep	Volaris	direct
20 Sep - 24 Sep	Volaris	direct
02 Sep - 08 Sep	Volaris	direct
09 Sep - 13 Sep	Volaris	direct
29 Sep - 04 Oct	Volaris	direct
02 Sep - 06 Sep	Volaris
03 Sep - 06 Sep	Volaris
08 Sep - 12 Sep	Volaris	direct
01 Sep - 09 Sep	Volaris	direct
01 Sep - 10 Sep	Volaris	direct
23 Sep - 11 Oct	Avianca
29 Sep - 02 Oct	Avianca
30 Sep - 02 Oct	Avianca
23 Sep - 01 Oct	Copa
27 Sep - 02 Oct	Copa
28 Sep - 09 Oct	Copa
26 Sep - 01 Oct	Copa

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

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 September from 134€

Return flights