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

Return flights

14 Aug - 21 Aug	Copa
16 Aug - 23 Aug	Copa
21 Aug - 28 Aug	Avianca
07 Aug - 16 Aug	Avianca
09 Aug - 18 Aug	Avianca
26 Aug - 09 Sep	Avianca
28 Aug - 02 Sep	Avianca
30 Aug - 04 Sep	Avianca
26 Aug - 02 Sep	Copa
30 Aug - 14 Sep	Avianca
17 Aug - 06 Sep	Copa
06 Aug - 10 Aug	Avianca
10 Aug - 19 Aug	Copa
09 Aug - 16 Aug	Avianca
07 Aug - 14 Aug	Avianca
08 Aug - 14 Aug	Avianca
26 Aug - 08 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 312€

Return flights