Cheapest return flights from Newark to Buenos Aires in December from 789€

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

Return flights

31 Dec - 27 Jan United
01 Dec - 08 Dec United
03 Dec - 10 Dec United
04 Dec - 12 Dec United
05 Dec - 12 Dec Delta
28 Dec - 15 Jan Delta
11 Dec - 27 Dec Delta
18 Dec - 04 Jan Allegiant Air
03 Dec - 27 Dec United
10 Dec - 14 Dec Air Canada
04 Dec - 28 Dec Air Canada
27 Dec - 11 Jan United
12 Dec - 21 Dec Air Canada
27 Dec - 03 Jan Porter Airlines (Canada) Ltd
12 Dec - 19 Dec Air Canada
12 Dec - 02 Jan LATAM Airlines Group
11 Dec - 05 Jan Delta
17 Dec - 18 Jan Air Canada
29 Dec - 05 Jan United
16 Dec - 02 Jan Air Canada

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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