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

Return flights

08 Dec - 16 Dec	Avianca
03 Dec - 15 Dec	Avianca
10 Dec - 17 Dec	Avianca
15 Dec - 30 Dec	Avianca
03 Dec - 15 Dec	Delta	direct
12 Dec - 30 Dec	Avianca
08 Dec - 16 Dec	Delta	direct
11 Dec - 18 Dec	LATAM Airlines Group
26 Dec - 11 Jan	Avianca
22 Dec - 29 Dec	LATAM Airlines Group
01 Dec - 31 Dec	Avianca
18 Dec - 09 Jan	Avianca
09 Dec - 06 Jan	Avianca
15 Dec - 05 Jan	Avianca
01 Dec - 01 Jan	Avianca
26 Dec - 01 Jan	Avianca
24 Dec - 06 Jan	Avianca
25 Dec - 05 Jan	Avianca
09 Dec - 06 Jan	Delta	direct
01 Dec - 01 Jan	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 694€

Return flights