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

Return flights

20 Sep - 11 Oct	Air China
23 Sep - 26 Oct	Air China
24 Sep - 15 Oct	Air China
24 Sep - 11 Oct	Air China
04 Sep - 17 Sep	Air China
11 Sep - 17 Sep	Air China
07 Sep - 14 Sep	Air China
05 Sep - 17 Sep	Air China
08 Sep - 14 Sep	Air China
01 Sep - 14 Sep	Air China
06 Sep - 14 Sep	Air China
02 Sep - 14 Sep	Air China
03 Sep - 14 Sep	Air China
05 Sep - 14 Sep	Air China
28 Sep - 13 Oct	SWISS
21 Sep - 01 Oct	Air China
17 Sep - 01 Oct	Air China
15 Sep - 01 Oct	Air China
26 Sep - 13 Oct	Air China
26 Sep - 11 Oct	Air China

Also check the deals for one-way flights from Milano 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 Milano to Seoul in September from $515

Return flights