Cheapest one-way flights from Porto Alegre to Lisbon in September from $429

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

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

One-Way flights

30 Sep GOL Linhas Aéreas
02 Sep Azul Airlines
22 Sep LATAM Airlines Group
23 Sep GOL Linhas Aéreas
15 Sep GOL Linhas Aéreas
18 Sep GOL Linhas Aéreas
17 Sep GOL Linhas Aéreas
10 Sep GOL Linhas Aéreas
07 Sep GOL Linhas Aéreas
01 Sep GOL Linhas Aéreas

Also check the deals for return flights from Porto Alegre to Lisbon in September.

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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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