Cheapest return flights from Sao Paulo to Buenos Aires in September from $217

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Buenos Aires (AEP) in September 2025 (see full year).

Return flights

17 Sep - 30 Sep Aerolineas Argentinas direct
05 Sep - 10 Sep Aerolineas Argentinas direct
13 Sep - 19 Sep Aerolineas Argentinas direct
26 Sep - 30 Sep Aerolineas Argentinas direct
01 Sep - 07 Sep GOL Linhas Aéreas direct
10 Sep - 16 Sep Aerolineas Argentinas direct
02 Sep - 05 Sep Aerolineas Argentinas direct
09 Sep - 16 Sep Aerolineas Argentinas direct
05 Sep - 30 Sep Aerolineas Argentinas direct
01 Sep - 20 Sep Aerolineas Argentinas direct
27 Sep - 05 Oct Aerolineas Argentinas direct
27 Sep - 01 Oct Aerolineas Argentinas direct
29 Sep - 06 Oct Aerolineas Argentinas direct
24 Sep - 01 Oct Aerolineas Argentinas direct
26 Sep - 05 Oct Aerolineas Argentinas direct
30 Sep - 05 Oct Aerolineas Argentinas direct
30 Sep - 06 Oct Aerolineas Argentinas direct
26 Sep - 03 Oct Aerolineas Argentinas direct
29 Sep - 05 Oct Aerolineas Argentinas direct
24 Sep - 17 Oct Aerolineas Argentinas direct

Also check the deals for one-way flights from Sao Paulo 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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