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
04 Dec - 12 Dec	Avianca
10 Dec - 15 Dec	Avianca
03 Dec - 17 Dec	Avianca
25 Dec - 17 Jan	Avianca
14 Dec - 29 Dec	Avianca
25 Dec - 16 Jan	Avianca
14 Dec - 16 Jan	Avianca
19 Dec - 31 Dec	Avianca
01 Dec - 31 Dec	Avianca
22 Dec - 31 Dec	Avianca
30 Dec - 01 Jan	Avianca
24 Dec - 11 Jan	Avianca
07 Dec - 15 Dec	Delta	direct
11 Dec - 09 Jan	Spirit Airlines
22 Dec - 14 Jan	Avianca
24 Dec - 16 Jan	Avianca
18 Dec - 21 Dec	Spirit Airlines
16 Dec - 06 Jan	Avianca
19 Dec - 01 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 674€

Return flights