Cheapest return flights from Porto Alegre to Lisbon in December from $803

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 December 2025 (see full year).

Return flights

02 Dec - 01 Jan LATAM Airlines Group
05 Dec - 01 Jan LATAM Airlines Group
01 Dec - 15 Dec LATAM Airlines Group
02 Dec - 16 Dec LATAM Airlines Group
02 Dec - 01 Jan TAP direct
27 Dec - 13 Jan TAP direct
27 Dec - 29 Jan LATAM Airlines Group
25 Dec - 15 Jan TAP direct
20 Dec - 17 Jan TAP direct
27 Dec - 29 Jan TAP direct
27 Dec - 01 Jan TAP direct
18 Dec - 25 Dec TAP direct
25 Dec - 01 Jan TAP direct
01 Dec - 11 Dec TAP
24 Dec - 31 Dec TAP
01 Dec - 28 Dec TAP

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

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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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