Cheapest return flights from Porto Alegre to Buenos Aires in September from $285

AirHint found the following cheapest return flights from Porto Alegre (POA) to Buenos Aires (AEP) in September 2026 (see full year).

Return flights

10 Sep - 14 Sep Aerolíneas Argentinas direct
17 Sep - 21 Sep Aerolíneas Argentinas direct
13 Sep - 17 Sep Aerolíneas Argentinas direct
13 Sep - 20 Sep Aerolíneas Argentinas direct
08 Sep - 13 Sep GOL Linhas Aéreas
25 Sep - 02 Oct GOL Linhas Aéreas
17 Sep - 22 Sep Aerolíneas Argentinas direct
23 Sep - 28 Sep LATAM Airlines Group direct
29 Sep - 03 Oct LATAM Airlines Group
18 Sep - 22 Sep LATAM Airlines Group direct
12 Sep - 16 Sep GOL Linhas Aéreas
25 Sep - 29 Sep LATAM Airlines Group direct
29 Sep - 06 Oct GOL Linhas Aéreas

Also check the deals for one-way flights from Porto Alegre to Buenos Aires in September.

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