Cheapest return flights from Porto Alegre to Lisbon in September from $763

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

20 Sep - 30 Sep GOL Linhas Aéreas
25 Sep - 02 Oct Azul Airlines
25 Sep - 09 Oct Azul Airlines
21 Sep - 21 Oct LATAM Airlines Group
02 Sep - 23 Sep Azul Airlines
02 Sep - 05 Sep Azul Airlines
18 Sep - 02 Oct TAP direct
05 Sep - 19 Sep GOL Linhas Aéreas
21 Sep - 07 Oct TAP direct
01 Sep - 11 Sep LATAM Airlines Group
28 Sep - 16 Oct TAP direct
28 Sep - 09 Oct TAP direct
02 Sep - 12 Sep LATAM Airlines Group
02 Sep - 13 Sep LATAM Airlines Group
03 Sep - 13 Sep TAP direct
18 Sep - 25 Sep TAP
24 Sep - 01 Oct TAP
25 Sep - 02 Oct TAP direct
17 Sep - 14 Oct TAP direct
03 Sep - 17 Sep TAP

Also check the deals for one-way 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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