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

One-Way flights

31 Dec	Spirit Airlines
30 Dec	Copa
28 Dec	jetBlue
27 Dec	LATAM Airlines Group
25 Dec	jetBlue
26 Dec	Spirit Airlines
31 Dec	Delta	direct
30 Dec	Delta	direct
28 Dec	Delta	direct
25 Dec	American Airlines	direct

Also check the deals for return flights from New York to Buenos Aires in December.

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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Cheapest one-way flights from New York to Buenos Aires in December from 334€

One-Way flights