Cheapest return flights from Sao Paulo to Buenos Aires in September from $349

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

Return flights

17 Sep - 21 Sep Azul Airlines
03 Sep - 07 Sep GOL Linhas Aéreas
07 Sep - 23 Sep GOL Linhas Aéreas
04 Sep - 07 Sep GOL Linhas Aéreas
13 Sep - 23 Sep GOL Linhas Aéreas
11 Sep - 14 Sep GOL Linhas Aéreas
25 Sep - 30 Sep GOL Linhas Aéreas
04 Sep - 18 Sep GOL Linhas Aéreas
04 Sep - 11 Sep GOL Linhas Aéreas
03 Sep - 11 Sep GOL Linhas Aéreas

Also check the deals for one-way flights from Sao Paulo to Buenos Aires in September.

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