Cheapest return flights from Sao Paulo to Buenos Aires in September from $364

Best time to book flights for Sao Paulo (GRU) to Buenos Aires (AEP) flights at AirHint

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

Return flights

05 Sep - 12 Sep Aerolineas Argentinas direct
10 Sep - 17 Sep Aerolineas Argentinas direct
08 Sep - 15 Sep Aerolineas Argentinas direct
17 Sep - 30 Sep Aerolineas Argentinas direct
22 Sep - 28 Sep Aerolineas Argentinas direct
22 Sep - 29 Sep Aerolineas Argentinas direct
12 Sep - 19 Sep Aerolineas Argentinas direct
15 Sep - 22 Sep Aerolineas Argentinas direct
03 Sep - 10 Sep Aerolineas Argentinas direct
24 Sep - 30 Sep Aerolineas Argentinas direct
29 Sep - 11 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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