Cheapest return flights from Newark to Buenos Aires in December from $1140

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

Return flights

18 Dec - 06 Jan Arajet
11 Dec - 05 Jan Arajet
24 Dec - 31 Dec Air Canada
19 Dec - 04 Jan Arajet
22 Dec - 12 Jan Arajet
18 Dec - 02 Jan Arajet
20 Dec - 05 Jan Air Canada
20 Dec - 02 Jan Air Canada
17 Dec - 02 Jan Arajet
20 Dec - 31 Dec Air Canada
22 Dec - 03 Jan Arajet
19 Dec - 01 Jan Air Canada

Also check the deals for one-way flights from Newark 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.