Cheapest return flights from New York to Buenos Aires in December from $1132

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

Return flights

14 Dec - 27 Dec Air Canada
12 Dec - 27 Dec Air Canada
03 Dec - 15 Dec Air Canada
10 Dec - 17 Dec Air Canada
15 Dec - 05 Jan Air Canada
23 Dec - 06 Jan Air Canada
11 Dec - 18 Dec Air Canada
15 Dec - 30 Dec Air Canada
12 Dec - 30 Dec Air Canada
08 Dec - 16 Dec jetBlue

Also check the deals for one-way 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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