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

Return flights

03 Oct - 11 Oct	Avianca
04 Oct - 11 Oct	Avianca
02 Oct - 11 Oct	Avianca
14 Oct - 18 Oct	Copa
22 Oct - 26 Oct	Copa
16 Oct - 27 Oct	Copa
05 Oct - 11 Oct	Copa
03 Oct - 08 Oct	Copa
23 Oct - 30 Oct	Copa
04 Oct - 09 Oct	Copa
25 Oct - 01 Nov	Copa
27 Oct - 01 Nov	Copa
21 Oct - 01 Nov	Copa
15 Oct - 05 Nov	Copa
31 Oct - 10 Nov	Copa
25 Oct - 06 Nov	Copa
31 Oct - 02 Nov	Avianca
30 Oct - 08 Nov	Avianca
31 Oct - 09 Nov	Avianca
28 Oct - 02 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 $334

Return flights