Cheapest return flights from Porto Alegre to Lisbon in September from $1046

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

Return flights

10 Sep - 22 Sep Azul Airlines
30 Sep - 28 Oct GOL Linhas Aéreas
30 Sep - 21 Oct GOL Linhas Aéreas
10 Sep - 26 Sep GOL Linhas Aéreas
20 Sep - 03 Oct LATAM Airlines Group
03 Sep - 17 Sep Azul Airlines
03 Sep - 21 Sep Azul Airlines
30 Sep - 06 Oct TAP direct
03 Sep - 14 Sep Azul Airlines
01 Sep - 12 Sep GOL Linhas Aéreas
02 Sep - 12 Sep GOL Linhas Aéreas
03 Sep - 15 Sep Azul Airlines
02 Sep - 10 Sep GOL Linhas Aéreas
15 Sep - 30 Sep LATAM Airlines Group
30 Sep - 10 Oct TAP direct

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

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