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

Return flights

21 Aug - 28 Aug	Avianca
08 Aug - 24 Aug	Avianca
07 Aug - 26 Aug	Avianca
23 Aug - 30 Aug	Copa
16 Aug - 21 Aug	Avianca
18 Aug - 23 Aug	Copa
20 Aug - 24 Aug	Copa
19 Aug - 23 Aug	Copa
12 Aug - 16 Aug	Copa
19 Aug - 24 Aug	Copa
23 Aug - 04 Sep	Avianca

Also check the deals for one-way flights from San Jose to Sao Paulo in August.

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 Sao Paulo in August from 318€

Return flights