Cheapest one-way flights from Newark to Buenos Aires in December from 203€

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

One-Way flights

04 Dec Spirit Airlines
08 Dec Spirit Airlines
05 Dec Spirit Airlines
03 Dec Spirit Airlines
02 Dec Spirit Airlines
11 Dec Spirit Airlines
07 Dec Spirit Airlines
12 Dec Spirit Airlines
30 Dec Arajet
31 Dec Spirit Airlines

Also check the deals for return 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.