Cheapest one-way flights from Porto Alegre to Lisbon in September from $481

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

15 Sep Azul Airlines
30 Sep Azul Airlines
23 Sep Azul Airlines
14 Sep Azul Airlines
08 Sep Azul Airlines
16 Sep Azul Airlines
19 Sep Azul Airlines
04 Sep LATAM Airlines Group
02 Sep Azul Airlines
01 Sep Azul Airlines

Also check the deals for return 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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