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

Return flights

08 Dec - 15 Dec	Turkish Airlines
08 Dec - 20 Jan	Turkish Airlines
08 Dec - 16 Jan	Turkish Airlines
08 Dec - 15 Jan	Turkish Airlines
08 Dec - 19 Jan	Turkish Airlines
25 Dec - 20 Jan	Turkish Airlines
02 Dec - 16 Dec	Turkish Airlines
02 Dec - 14 Dec	Turkish Airlines
25 Dec - 11 Jan	Turkish Airlines
25 Dec - 09 Jan	Turkish Airlines
07 Dec - 19 Jan	Turkish Airlines
21 Dec - 28 Dec	Turkish Airlines
14 Dec - 28 Jan	Turkish Airlines
28 Dec - 15 Jan	Turkish Airlines
03 Dec - 08 Dec	Qatar Airways
01 Dec - 15 Dec	Turkish Airlines
15 Dec - 27 Dec	Turkish Airlines
17 Dec - 31 Dec	Emirates

Also check the deals for one-way flights from Sao Paulo 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 Sao Paulo to Sydney in December from 1482€

Return flights