Cheapest one-way flights from New York to Buenos Aires in December from 217€

AirHint found the following cheapest one-way flights from New York (LGA) to Buenos Aires (AEP) in December 2025 (see full year).

One-Way flights

07 Dec Spirit Airlines
06 Dec Spirit Airlines
10 Dec Spirit Airlines
11 Dec Spirit Airlines
09 Dec Spirit Airlines
08 Dec Spirit Airlines
05 Dec Spirit Airlines
12 Dec Spirit Airlines
15 Dec Spirit Airlines
01 Dec Frontier Airlines

Also check the deals for return 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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