AirHint found the following cheapest return flights from Porto Alegre (POA) to Dublin (DUB) in December 2025 (see full year).

Return flights

18 Dec - 05 Jan	Turkish Airlines
25 Dec - 23 Jan	GOL Linhas Aéreas
25 Dec - 22 Jan	GOL Linhas Aéreas
25 Dec - 24 Jan	GOL Linhas Aéreas
25 Dec - 21 Jan	GOL Linhas Aéreas
17 Dec - 07 Jan	LATAM Airlines Group
26 Dec - 19 Jan	TAP
19 Dec - 05 Jan	TAP
18 Dec - 04 Jan	Emirates
24 Dec - 26 Dec	LATAM Airlines Group

Also check the deals for one-way flights from Porto Alegre to Dublin 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 Dublin in December from $1174

Return flights