Cheapest return flights from Porto Alegre to Lisbon in September from $1231

Best time to book flights for Porto Alegre (POA) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Porto Alegre (POA) to Lisbon (LIS) in September 2025 (see full year).

Return flights

02 Sep - 16 Sep TAP direct
02 Sep - 13 Sep TAP direct
11 Sep - 20 Sep TAP direct
23 Sep - 09 Oct TAP direct
30 Sep - 14 Oct TAP direct
23 Sep - 07 Oct TAP direct
15 Sep - 22 Sep Azul Airlines
14 Sep - 30 Sep TAP direct
07 Sep - 27 Sep TAP direct
11 Sep - 21 Sep TAP
01 Sep - 25 Sep GOL Linhas Aéreas
05 Sep - 25 Sep GOL Linhas Aéreas
22 Sep - 06 Oct GOL Linhas Aéreas
01 Sep - 12 Sep GOL Linhas Aéreas
08 Sep - 13 Oct GOL Linhas Aéreas

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