AirHint found the following cheapest return flights from Porto Alegre (POA) to Buenos Aires (AEP) in August 2026 (see full year).
Return flights
| 06 Aug - 10 Aug | LATAM Airlines Group | ||
| 20 Aug - 27 Aug | GOL Linhas Aéreas | ||
| 11 Aug - 18 Aug | GOL Linhas Aéreas | ||
| 11 Aug - 19 Aug | LATAM Airlines Group | ||
| 01 Aug - 08 Aug | Aerolíneas Argentinas |
Also check the deals for one-way flights from Porto Alegre to Buenos Aires in August.
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