Cheapest return flights from New York to Buenos Aires in December from 720€

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

Return flights

10 Dec - 15 Dec Frontier Airlines
11 Dec - 15 Dec Frontier Airlines
30 Dec - 12 Jan Spirit Airlines
14 Dec - 24 Dec Frontier Airlines
04 Dec - 07 Dec Avianca
05 Dec - 07 Dec Spirit Airlines
05 Dec - 08 Dec Spirit Airlines
18 Dec - 20 Jan Spirit Airlines
26 Dec - 23 Jan Spirit Airlines
10 Dec - 20 Jan Frontier Airlines
09 Dec - 16 Dec Spirit Airlines
11 Dec - 16 Dec Frontier Airlines
11 Dec - 24 Dec Spirit Airlines
22 Dec - 11 Jan Spirit Airlines
31 Dec - 05 Jan Spirit Airlines
27 Dec - 18 Jan Spirit Airlines
11 Dec - 14 Dec Spirit Airlines
24 Dec - 14 Jan Spirit Airlines
22 Dec - 12 Jan Spirit Airlines
18 Dec - 15 Jan Spirit 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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