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

Return flights

04 Oct - 09 Oct	Avianca
04 Oct - 18 Oct	Avianca
09 Oct - 19 Oct	Avianca
10 Oct - 18 Oct	Avianca
01 Oct - 09 Oct	Avianca
19 Oct - 25 Oct	Avianca
29 Oct - 10 Nov	Avianca
30 Oct - 11 Nov	Avianca
16 Oct - 25 Oct	Avianca
23 Oct - 31 Oct	Avianca
24 Oct - 31 Oct	Avianca
16 Oct - 28 Oct	Avianca
25 Oct - 01 Nov	Avianca
31 Oct - 09 Nov	Avianca

Also check the deals for one-way flights from Sao Paulo 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 Sao Paulo to San Jose in October from 308€

Return flights