Cheapest one-way flights from New York to Buenos Aires in December from 279€

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

16 Dec Spirit Airlines
13 Dec Spirit Airlines
06 Dec Spirit Airlines
01 Dec Spirit Airlines
05 Dec Spirit Airlines
12 Dec Spirit Airlines
15 Dec Spirit Airlines
30 Dec LATAM Airlines Group
29 Dec LATAM Airlines Group
28 Dec LATAM Airlines Group

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

Skyscanner

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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