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

Return flights

09 Dec - 18 Jan	Air China
09 Dec - 20 Jan	Air China
10 Dec - 13 Jan	China Eastern
08 Dec - 13 Jan	China Eastern
04 Dec - 08 Dec	Ryanair
11 Dec - 16 Jan	China Eastern
12 Dec - 08 Jan	Air China
10 Dec - 01 Jan	Air China
01 Dec - 15 Dec	Air China
10 Dec - 06 Jan	China Eastern
10 Dec - 10 Jan	China Eastern
02 Dec - 06 Dec	Wizz Air Malta
07 Dec - 04 Jan	Wizz Air Malta
01 Dec - 09 Dec	British Airways
02 Dec - 07 Dec	British Airways
01 Dec - 05 Dec	Wizz Air Malta
01 Dec - 31 Dec	Air China
05 Dec - 08 Dec	Air China
10 Dec - 15 Dec	Air China
15 Dec - 29 Dec	Ryanair

Also check the deals for one-way flights from Rome 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 Rome to Sydney in December from $925

Return flights