Cheapest one-way flights from Sao Paulo to Buenos Aires in September from $132

AirHint found the following cheapest one-way flights from Sao Paulo (CGH) to Buenos Aires (AEP) in September 2026 (see full year).

One-Way flights

24 Sep Azul Airlines
17 Sep Azul Airlines
15 Sep LATAM Airlines Group
10 Sep Azul Airlines
18 Sep Azul Airlines
14 Sep GOL Linhas Aéreas
11 Sep GOL Linhas Aéreas
06 Sep Azul Airlines
12 Sep LATAM Airlines Group
08 Sep GOL Linhas Aéreas

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

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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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