Cheapest one-way flights from Newark to Buenos Aires in December from $266

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

One-Way flights

06 Dec Spirit Airlines
10 Dec Spirit Airlines
31 Dec Spirit Airlines
09 Dec Spirit Airlines
07 Dec Spirit Airlines
11 Dec Spirit Airlines
08 Dec Spirit Airlines
30 Dec Spirit Airlines
05 Dec Spirit Airlines
12 Dec Spirit Airlines

Also check the deals for return 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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