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

Return flights

06 Sep - 17 Sep	China Eastern
08 Sep - 21 Sep	China Eastern
03 Sep - 17 Sep	China Eastern
08 Sep - 18 Sep	China Eastern
08 Sep - 22 Sep	China Eastern
12 Sep - 18 Sep	China Eastern
23 Sep - 10 Oct	China Eastern
08 Sep - 23 Sep	China Eastern
23 Sep - 14 Oct	China Eastern
06 Sep - 22 Sep	China Eastern
12 Sep - 22 Sep	China Eastern
11 Sep - 12 Oct	China Eastern
12 Sep - 19 Sep	China Eastern
22 Sep - 13 Oct	Air China
15 Sep - 25 Oct	Air China
09 Sep - 22 Oct	Air China
15 Sep - 22 Oct	Air China
08 Sep - 19 Oct	Air China
15 Sep - 24 Oct	Air China
15 Sep - 14 Oct	Air China

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 $470

Return flights