AirHint found the following cheapest return flights from New York (NYC) to Buenos Aires (EZE) in December 2025 (see full year).

Return flights

08 Dec - 15 Dec	Spirit Airlines
10 Dec - 24 Dec	Avianca
12 Dec - 31 Dec	Avianca
01 Dec - 31 Dec	Avianca
10 Dec - 15 Dec	Avianca
01 Dec - 04 Dec	Copa
29 Dec - 17 Jan	Avianca
03 Dec - 14 Dec	Copa
03 Dec - 13 Dec	Copa
11 Dec - 23 Dec	Spirit Airlines
25 Dec - 16 Jan	Avianca
12 Dec - 30 Dec	Avianca
24 Dec - 16 Jan	Avianca
24 Dec - 31 Jan	Avianca
12 Dec - 12 Jan	Spirit Airlines
18 Dec - 15 Jan	Avianca
30 Dec - 01 Jan	Avianca
24 Dec - 11 Jan	Avianca
21 Dec - 18 Jan	Avianca
06 Dec - 09 Jan	Avianca

Also check the deals for one-way flights from New York to Buenos Aires 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 Buenos Aires in December from $761

Return flights