Cheapest one-way flights from Porto Alegre to Lisbon in August from $388

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 August 2025 (see full year).

One-Way flights

09 Aug LATAM Airlines Group
11 Aug LATAM Airlines Group
12 Aug LATAM Airlines Group
10 Aug LATAM Airlines Group
20 Aug Azul Airlines
06 Aug GOL Linhas Aéreas
05 Aug GOL Linhas Aéreas
21 Aug LATAM Airlines Group
14 Aug LATAM Airlines Group
16 Aug LATAM Airlines Group

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

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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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