Cheapest one-way flights from Porto Alegre to Lisbon in December from $423

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

One-Way flights

06 Dec Azul Airlines
02 Dec Azul Airlines
08 Dec Azul Airlines
14 Dec LATAM Airlines Group
18 Dec LATAM Airlines Group
15 Dec LATAM Airlines Group
21 Dec LATAM Airlines Group
06 Dec TAP direct
02 Dec TAP direct
22 Dec LATAM Airlines Group

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

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

Feel free to contact us with any feedback or request another flight research.