AirHint found the following cheapest return flights from Sydney (SYD) to Sao Paulo (GRU) in December 2025 (see full year).

Return flights

05 Dec - 25 Jan	Air Canada
03 Dec - 20 Jan	Turkish Airlines
02 Dec - 10 Jan	Turkish Airlines
02 Dec - 15 Jan	Turkish Airlines
02 Dec - 13 Jan	Turkish Airlines
02 Dec - 14 Jan	Turkish Airlines
03 Dec - 10 Dec	Turkish Airlines
02 Dec - 11 Jan	Turkish Airlines
27 Dec - 26 Jan	Turkish Airlines
23 Dec - 26 Jan	Turkish Airlines
25 Dec - 29 Jan	Turkish Airlines
01 Dec - 09 Dec	Air Canada
06 Dec - 26 Dec	Air Canada
20 Dec - 27 Dec	Qatar Airways
18 Dec - 18 Dec	LATAM Airlines Group

Also check the deals for one-way flights from Sydney to Sao Paulo 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 Sydney to Sao Paulo in December from 1305€

Return flights