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

Return flights

14 Sep - 14 Oct	Air China
21 Sep - 18 Oct	Air China
24 Sep - 28 Oct	Air China
22 Sep - 24 Oct	Air China
28 Sep - 20 Oct	SWISS
22 Sep - 11 Oct	Air China
03 Sep - 13 Sep	Sichuan Airlines
03 Sep - 23 Sep	Sichuan Airlines
10 Sep - 23 Sep	Sichuan Airlines
03 Sep - 09 Sep	Sichuan Airlines
03 Sep - 11 Sep	Sichuan Airlines
10 Sep - 18 Sep	Sichuan Airlines
03 Sep - 18 Sep	Sichuan Airlines
24 Sep - 09 Oct	Sichuan Airlines
19 Sep - 25 Sep	Sichuan Airlines
17 Sep - 23 Sep	KLM
06 Sep - 15 Sep	SWISS
02 Sep - 08 Oct	LOT
24 Sep - 29 Oct	Sichuan Airlines
26 Sep - 12 Oct	LOT

Also check the deals for one-way flights from Rome to Seoul 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 Seoul in September from $527

Return flights