Cheapest one-way flights from Sao Paulo to Buenos Aires in September from $149

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

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

One-Way flights

01 Sep Aerolineas Argentinas direct
25 Sep Aerolineas Argentinas direct
07 Sep Aerolineas Argentinas direct
03 Sep Aerolineas Argentinas direct
05 Sep Aerolineas Argentinas direct
18 Sep LATAM Airlines Group direct
09 Sep Air Canada

Also check the deals for return 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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