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

Return flights

05 Sep - 15 Sep	Sichuan Airlines
07 Sep - 10 Sep	Sichuan Airlines
05 Sep - 22 Sep	Sichuan Airlines
01 Sep - 08 Sep	Finnair
18 Sep - 25 Sep	Sichuan Airlines
02 Sep - 01 Oct	Ryanair
19 Sep - 26 Sep	Sichuan Airlines
07 Sep - 27 Sep	Sichuan Airlines
07 Sep - 14 Sep	Sichuan Airlines
04 Sep - 07 Sep	Sichuan Airlines
25 Sep - 02 Oct	Ryanair
08 Sep - 13 Sep	Ryanair
26 Sep - 03 Oct	Sichuan Airlines
25 Sep - 03 Oct	Sichuan Airlines
15 Sep - 01 Oct	British Airways
29 Sep - 03 Oct	Ryanair
26 Sep - 04 Oct	British Airways
28 Sep - 16 Oct	Air China
01 Sep - 01 Oct	Lufthansa
26 Sep - 12 Oct	British Airways

Also check the deals for one-way flights from Rome to Sydney in September.

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 September from $832

Return flights