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

Return flights

04 Dec - 09 Dec	Avianca
04 Dec - 11 Dec	Avianca
10 Dec - 15 Dec	Avianca
08 Dec - 12 Dec	Avianca
10 Dec - 23 Jan	Avianca
08 Dec - 22 Jan	Avianca
16 Dec - 20 Jan	Avianca
01 Dec - 31 Dec	Avianca
10 Dec - 20 Dec	Avianca
02 Dec - 07 Dec	Copa
11 Dec - 15 Jan	Avianca
10 Dec - 25 Jan	Avianca
11 Dec - 25 Jan	Avianca
28 Dec - 18 Jan	Avianca
13 Dec - 13 Jan	Avianca
12 Dec - 27 Dec	Avianca
19 Dec - 04 Jan	Aeromexico
11 Dec - 15 Jan	Delta	direct
04 Dec - 11 Dec	American Airlines	direct
08 Dec - 17 Dec	LATAM Airlines Group

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 $785

Return flights