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

Return flights

30 Dec - 24 Jan	LATAM Airlines Group	direct
30 Dec - 15 Jan	Copa
26 Dec - 23 Jan	LATAM Airlines Group
30 Dec - 15 Jan	Delta	direct
27 Dec - 31 Dec	Avianca
30 Dec - 07 Jan	Copa
30 Dec - 12 Jan	Copa
25 Dec - 31 Dec	Frontier Airlines
25 Dec - 17 Jan	LATAM Airlines Group
28 Dec - 01 Jan	LATAM Airlines Group
27 Dec - 01 Jan	LATAM Airlines Group
25 Dec - 28 Dec	Copa
25 Dec - 11 Jan	LATAM Airlines Group
25 Dec - 29 Dec	LATAM Airlines Group
25 Dec - 31 Dec	Delta	direct
27 Dec - 31 Dec	Delta	direct
25 Dec - 28 Dec	Delta	direct
25 Dec - 29 Dec	Delta	direct

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 680€

Return flights