Cheapest one-way flights from Rio De Janeiro to Buenos Aires in September from $178

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

24 Sep LATAM Airlines Group
14 Sep LATAM Airlines Group
26 Sep LATAM Airlines Group
03 Sep LATAM Airlines Group
15 Sep LATAM Airlines Group
09 Sep Azul Airlines
10 Sep GOL Linhas Aéreas
19 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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