AirHint found the following cheapest return flights from Porto Alegre (POA) to Lisbon (LIS) in December 2026 (see full year).

Return flights

18 Dec - 02 Jan	TAP	direct
01 Dec - 03 Dec	Azul Airlines
01 Dec - 08 Dec	Azul Airlines
05 Dec - 17 Dec	Azul Airlines
08 Dec - 07 Jan	TAP	direct
11 Dec - 18 Dec	Azul Airlines
15 Dec - 07 Jan	TAP	direct
22 Dec - 07 Jan	TAP	direct
26 Dec - 07 Jan	TAP	direct
05 Dec - 17 Dec	TAP	direct
20 Dec - 05 Jan	Azul Airlines
24 Dec - 05 Jan	Azul Airlines
21 Dec - 05 Jan	TAP
30 Dec - 05 Jan	Azul Airlines
01 Dec - 03 Dec	TAP	direct

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

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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Cheapest return flights from Porto Alegre to Lisbon in December from 1011€

Return flights