Cheapest one-way flights from Rio De Janeiro to Buenos Aires in September from $88

Best time to book flights for Rio De Janeiro (SDU) to Buenos Aires (AEP) flights at AirHint

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

14 Sep LATAM Airlines Group
01 Sep LATAM Airlines Group
04 Sep LATAM Airlines Group
05 Sep LATAM Airlines Group
02 Sep GOL Linhas Aéreas
11 Sep GOL Linhas Aéreas
23 Sep Azul Airlines
15 Sep GOL Linhas Aéreas
08 Sep LATAM Airlines Group
18 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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