Cheapest return flights from Porto Alegre to Lisbon in August from $1056

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 August 2025 (see full year).

Return flights

07 Aug - 14 Aug TAP direct
07 Aug - 21 Aug TAP direct
14 Aug - 28 Aug TAP direct
12 Aug - 19 Aug TAP direct
11 Aug - 18 Aug Azul Airlines
21 Aug - 11 Sep TAP direct
10 Aug - 18 Aug TAP
28 Aug - 06 Sep LATAM Airlines Group
17 Aug - 21 Aug TAP
17 Aug - 21 Aug TAP direct
28 Aug - 06 Sep TAP direct
19 Aug - 29 Aug TAP
31 Aug - 11 Sep TAP direct
29 Aug - 07 Sep LATAM Airlines Group
30 Aug - 10 Sep Azul Airlines

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

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon