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

Return flights

11 Dec - 09 Jan	Air China
09 Dec - 20 Dec	Air China
01 Dec - 22 Dec	Air China
13 Dec - 09 Jan	Air China
13 Dec - 13 Jan	Air China
16 Dec - 12 Jan	T'way Air
15 Dec - 29 Dec	Air China
23 Dec - 05 Jan	T'way Air
15 Dec - 30 Dec	Air China
22 Dec - 11 Jan	Air China
26 Dec - 10 Jan	Air China
28 Dec - 15 Jan	Air China
29 Dec - 10 Jan	Air China
25 Dec - 10 Jan	Air China
22 Dec - 30 Dec	Turkish Airlines

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 $1015

Return flights