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

Return flights

07 Oct - 13 Oct	Volaris	direct
23 Oct - 28 Oct	Volaris Costa Rica	direct
08 Oct - 15 Oct	Volaris	direct
18 Oct - 25 Oct	Volaris	direct
14 Oct - 21 Oct	Volaris Costa Rica	direct
17 Oct - 21 Oct	Volaris	direct
15 Oct - 18 Oct	Volaris	direct
20 Oct - 25 Oct	Volaris	direct
22 Oct - 26 Oct	Volaris
28 Oct - 02 Nov	Volaris
07 Oct - 14 Oct	Avianca
25 Oct - 04 Nov	Avianca
30 Oct - 03 Nov	Avianca
30 Oct - 02 Nov	Copa
31 Oct - 10 Nov	Viva
31 Oct - 20 Nov	Viva
31 Oct - 13 Nov	Viva
31 Oct - 09 Nov	Viva
31 Oct - 16 Nov	Viva

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

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 October from 166€

Return flights