Cheapest one-way flights from New York to Buenos Aires in December from $269

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

One-Way flights

10 Dec Spirit Airlines
09 Dec Spirit Airlines
06 Dec Spirit Airlines
30 Dec Frontier Airlines
31 Dec Spirit Airlines
08 Dec Spirit Airlines
13 Dec Spirit Airlines
05 Dec Spirit Airlines
14 Dec Spirit Airlines
11 Dec Spirit 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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