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

Return flights

01 Dec - 01 Jan	Emirates
21 Dec - 16 Jan	Azul Airlines
15 Dec - 05 Jan	Emirates
23 Dec - 09 Jan	LATAM Airlines Group
22 Dec - 09 Jan	LATAM Airlines Group
22 Dec - 05 Jan	LATAM Airlines Group
21 Dec - 30 Jan	LATAM Airlines Group
13 Dec - 03 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Porto Alegre to Sydney 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 Sydney in December from $2264

Return flights