Cheapest one-way flights from Porto Alegre to Buenos Aires in September from $111

AirHint found the following cheapest one-way flights from Porto Alegre (POA) to Buenos Aires (AEP) in September 2025 (see full year).

One-Way flights

03 Sep GOL Linhas Aéreas
16 Sep Aerolineas Argentinas direct
09 Sep Aerolineas Argentinas direct
09 Sep GOL Linhas Aéreas
01 Sep Aerolineas Argentinas direct
11 Sep Aerolineas Argentinas direct
11 Sep GOL Linhas Aéreas
13 Sep Aerolineas Argentinas direct
04 Sep GOL Linhas Aéreas
04 Sep Aerolineas Argentinas direct

Also check the deals for return flights from Porto Alegre 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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