Cheapest return flights from New York to Buenos Aires in December from $690

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

Return flights

02 Dec - 10 Dec Spirit Airlines
03 Dec - 08 Dec Spirit Airlines
07 Dec - 13 Dec Frontier Airlines
05 Dec - 13 Dec Frontier Airlines
10 Dec - 17 Dec Spirit Airlines
02 Dec - 11 Dec LATAM Airlines Group
02 Dec - 09 Dec LATAM Airlines Group
04 Dec - 08 Dec LATAM Airlines Group
02 Dec - 08 Dec Frontier Airlines
05 Dec - 14 Dec Frontier Airlines
31 Dec - 26 Jan Frontier Airlines
29 Dec - 26 Jan Spirit Airlines
31 Dec - 20 Jan Frontier Airlines
30 Dec - 26 Jan Spirit Airlines
12 Dec - 23 Jan Spirit Airlines
30 Dec - 27 Jan LATAM Airlines Group
31 Dec - 12 Jan Frontier Airlines
29 Dec - 25 Jan Spirit Airlines
29 Dec - 27 Jan Spirit Airlines
13 Dec - 16 Jan Frontier Airlines

Also check the deals for one-way flights from New York to Buenos Aires in December.

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