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

Return flights

04 Dec - 08 Dec	Spirit Airlines
03 Dec - 07 Dec	Spirit Airlines
06 Dec - 15 Dec	Spirit Airlines
17 Dec - 14 Jan	Spirit Airlines
02 Dec - 16 Dec	LATAM Airlines Group	direct
05 Dec - 07 Dec	Avianca
06 Dec - 13 Dec	Spirit Airlines
11 Dec - 16 Jan	Avianca
15 Dec - 14 Jan	Spirit Airlines
07 Dec - 18 Jan	LATAM Airlines Group
12 Dec - 15 Dec	Avianca
09 Dec - 18 Jan	LATAM Airlines Group
07 Dec - 11 Jan	Copa
10 Dec - 17 Dec	Avianca
15 Dec - 11 Jan	Copa
14 Dec - 09 Jan	Spirit Airlines
17 Dec - 09 Jan	Spirit Airlines
09 Dec - 17 Jan	Copa
12 Dec - 18 Dec	Avianca
15 Dec - 31 Dec	Spirit Airlines

Also check the deals for one-way flights from New York to Sao Paulo in December.

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 December from $519

Return flights