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

Return flights

15 Oct - 22 Oct	Volaris	direct
11 Oct - 22 Nov	Volaris	direct
10 Oct - 13 Oct	Volaris	direct
02 Oct - 03 Oct	Avianca
06 Oct - 10 Oct	Volaris	direct
01 Oct - 05 Oct	Avianca
16 Oct - 21 Oct	Avianca
22 Oct - 29 Oct	Avianca
31 Oct - 06 Nov	Avianca
02 Oct - 06 Oct	Avianca
23 Oct - 30 Oct	Avianca
10 Oct - 17 Oct	Avianca
29 Oct - 15 Nov	Viva
29 Oct - 08 Nov	Viva
29 Oct - 04 Nov	Viva

Also check the deals for one-way flights from Cancun to San Jose 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 Cancun to San Jose in October from 175€

Return flights