AirHint found the following cheapest return flights from New York (NYC) to Sao Paulo (GRU) in August 2025 (see full year).

Return flights

19 Aug - 14 Sep	Spirit Airlines
13 Aug - 07 Sep	Avianca
07 Aug - 18 Aug	Spirit Airlines
21 Aug - 25 Aug	Spirit Airlines
21 Aug - 11 Sep	Avianca
30 Aug - 13 Sep	Avianca
25 Aug - 14 Sep	Avianca
27 Aug - 10 Sep	Avianca
27 Aug - 09 Sep	Avianca
29 Aug - 09 Sep	Avianca
23 Aug - 04 Sep	Avianca
06 Aug - 13 Aug	Spirit Airlines
13 Aug - 17 Aug	Avianca
29 Aug - 08 Sep	Avianca
05 Aug - 19 Aug	Spirit Airlines
04 Aug - 13 Aug	Allegiant Air
14 Aug - 30 Aug	Spirit Airlines
16 Aug - 30 Aug	Avianca
13 Aug - 20 Aug	Avianca
19 Aug - 21 Aug	Avianca

Also check the deals for one-way flights from New York 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 New York to Sao Paulo in August from $517

Return flights