Cheapest one-way flights from Rio De Janeiro to Buenos Aires in September from $131

AirHint found the following cheapest one-way flights from Rio De Janeiro (SDU) to Buenos Aires (AEP) in September 2025 (see full year).

One-Way flights

30 Sep Azul Airlines
03 Sep Azul Airlines
05 Sep Azul Airlines
27 Sep Azul Airlines
07 Sep Azul Airlines
14 Sep Azul Airlines
02 Sep Azul Airlines
25 Sep Azul Airlines
11 Sep Azul Airlines
16 Sep Azul Airlines

Also check the deals for return flights from Rio De Janeiro 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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