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

Return flights

31 Dec - 20 Jan	Frontier Airlines
31 Dec - 11 Jan	Spirit Airlines
30 Dec - 12 Jan	Frontier Airlines
30 Dec - 13 Jan	Spirit Airlines
29 Dec - 08 Jan	Frontier Airlines
25 Dec - 18 Jan	Frontier Airlines
26 Dec - 11 Jan	Spirit Airlines
28 Dec - 20 Jan	United	direct
29 Dec - 12 Jan	Spirit Airlines
31 Dec - 20 Jan	Delta	direct
30 Dec - 31 Dec	jetBlue
26 Dec - 30 Dec	Spirit Airlines
26 Dec - 31 Dec	Spirit Airlines
25 Dec - 29 Dec	Copa
25 Dec - 30 Dec	Frontier Airlines
26 Dec - 31 Dec	Delta	direct
30 Dec - 31 Dec	Delta	direct
25 Dec - 30 Dec	Delta	direct
25 Dec - 29 Dec	Delta	direct
26 Dec - 30 Dec	United	direct

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 625€

Return flights