Cheapest return flights from Newark to Buenos Aires in December from $1173

Best time to book flights for Newark (EWR) to Buenos Aires (AEP) flights at AirHint

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

Return flights

06 Dec - 13 Dec Arajet
06 Dec - 25 Dec Arajet
11 Dec - 25 Dec Arajet
18 Dec - 08 Jan Air Canada
31 Dec - 07 Jan LATAM Airlines Group
21 Dec - 01 Jan Breeze Airways
17 Dec - 31 Dec Air Canada
20 Dec - 10 Jan Porter Airlines (Canada) Ltd
16 Dec - 03 Jan Air Canada
12 Dec - 25 Dec LATAM Airlines Group
27 Dec - 03 Jan Porter Airlines (Canada) Ltd
05 Dec - 13 Dec LATAM Airlines Group
05 Dec - 14 Dec LATAM Airlines Group

Also check the deals for one-way flights from Newark 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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