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

Return flights

03 Dec - 08 Dec	Avianca
26 Dec - 16 Jan	Arajet
12 Dec - 19 Dec	Arajet
28 Dec - 18 Jan	Avianca
16 Dec - 22 Dec	Avianca
19 Dec - 30 Dec	Arajet
26 Dec - 15 Jan	LATAM Airlines Group
13 Dec - 28 Dec	Avianca
12 Dec - 27 Dec	Avianca
29 Dec - 10 Jan	LATAM Airlines Group
26 Dec - 09 Jan	Avianca
12 Dec - 02 Jan	Arajet
09 Dec - 06 Jan	Avianca
11 Dec - 05 Jan	Avianca
19 Dec - 23 Dec	Avianca
26 Dec - 15 Jan	Delta	direct
09 Dec - 06 Jan	Delta	direct
16 Dec - 22 Dec	Delta	direct
18 Dec - 29 Dec	Avianca
20 Dec - 27 Dec	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 690€

Return flights