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

Return flights

11 Sep - 14 Oct	Air China
01 Sep - 14 Oct	Air China
02 Sep - 14 Oct	Air China
03 Sep - 14 Oct	Air China
08 Sep - 14 Oct	Air China
09 Sep - 14 Oct	Air China
10 Sep - 14 Oct	Air China
07 Sep - 14 Oct	Air China
07 Sep - 17 Oct	Air China
24 Sep - 29 Oct	Sichuan Airlines
17 Sep - 25 Sep	Sichuan Airlines
03 Sep - 16 Sep	Sichuan Airlines
03 Sep - 13 Sep	Sichuan Airlines
12 Sep - 23 Sep	Sichuan Airlines
03 Sep - 09 Sep	Sichuan Airlines
08 Sep - 15 Sep	Lufthansa
12 Sep - 22 Sep	Sichuan Airlines
16 Sep - 24 Sep	SWISS
14 Sep - 23 Sep	Air China
07 Sep - 16 Sep	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 451€

Return flights