Cheapest one-way flights from Newark to Buenos Aires in September from 298€

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

One-Way flights

04 Sep Spirit Airlines
02 Sep Spirit Airlines
24 Sep Spirit Airlines
06 Sep Spirit Airlines
10 Sep Spirit Airlines
26 Sep Spirit Airlines
17 Sep Spirit Airlines
08 Sep Spirit Airlines
07 Sep Spirit Airlines

Also check the deals for return flights from Newark to Buenos Aires in September.

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.

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