AirHint found the following cheapest return flights from Rome (ROM) to Singapore (SIN) in September 2025 (see full year).

Return flights

16 Sep - 14 Oct	Air China
26 Sep - 05 Oct	Finnair
25 Sep - 05 Oct	Finnair
19 Sep - 03 Oct	Finnair
25 Sep - 03 Oct	Finnair
17 Sep - 23 Sep	Finnair
18 Sep - 22 Sep	Ryanair
16 Sep - 23 Sep	Wizz Air Malta
19 Sep - 23 Sep	Wizz Air Malta
18 Sep - 28 Sep	Finnair
10 Sep - 30 Sep	Etihad Airways
16 Sep - 01 Oct	Wizz Air Malta
15 Sep - 22 Sep	Etihad Airways
11 Sep - 16 Sep	Etihad Airways
07 Sep - 22 Sep	Wizz Air Malta
09 Sep - 24 Sep	Wizz Air Malta
23 Sep - 01 Oct	Etihad Airways
25 Sep - 04 Oct	Finnair
09 Sep - 01 Oct	Etihad Airways
11 Sep - 02 Oct	Wizz Air Malta

Also check the deals for one-way flights from Rome to Singapore 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 Singapore in September from $556

Return flights