Cheapest return flights from Porto Alegre to Lisbon in September from $658

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

Return flights

01 Sep - 11 Sep Azul Airlines
09 Sep - 26 Sep Azul Airlines
09 Sep - 26 Sep TAP direct
04 Sep - 19 Sep Azul Airlines
05 Sep - 19 Sep Azul Airlines
01 Sep - 13 Sep GOL Linhas Aéreas
04 Sep - 23 Sep LATAM Airlines Group
03 Sep - 22 Sep Azul Airlines
07 Sep - 18 Sep LATAM Airlines Group
16 Sep - 24 Sep Azul Airlines

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

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