Cheapest return flights from New York to Buenos Aires in December from 552€

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

Return flights

03 Dec - 05 Dec Spirit Airlines
07 Dec - 13 Dec Frontier Airlines
03 Dec - 11 Dec Frontier Airlines
02 Dec - 06 Dec Frontier Airlines
04 Dec - 13 Dec Frontier Airlines
12 Dec - 17 Jan Spirit Airlines
29 Dec - 28 Jan Frontier Airlines
08 Dec - 22 Dec Spirit Airlines
10 Dec - 20 Jan Spirit Airlines
01 Dec - 09 Dec LATAM Airlines Group
11 Dec - 14 Jan Spirit Airlines
01 Dec - 14 Dec Frontier Airlines
10 Dec - 12 Dec Spirit Airlines
11 Dec - 18 Dec Spirit Airlines
12 Dec - 14 Jan Spirit Airlines
25 Dec - 14 Jan Copa
11 Dec - 12 Jan Spirit Airlines
20 Dec - 18 Jan Spirit Airlines
30 Dec - 12 Jan Spirit Airlines
12 Dec - 13 Jan Frontier Airlines

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

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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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