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

Return flights

18 Sep - 21 Sep	China Eastern
23 Sep - 28 Sep	Air China
22 Sep - 25 Sep	Air China
11 Sep - 18 Sep	Air China
11 Sep - 25 Sep	Air China
22 Sep - 28 Sep	Air China
22 Sep - 26 Sep	Air China
14 Sep - 03 Oct	Air China
01 Sep - 08 Sep	China Eastern
10 Sep - 15 Sep	Air China
21 Sep - 28 Sep	Air China
15 Sep - 02 Oct	Air China
15 Sep - 05 Oct	Air China
08 Sep - 22 Oct	Air China
10 Sep - 16 Oct	Air China
10 Sep - 17 Oct	Air China
21 Sep - 06 Oct	Air China
25 Sep - 13 Oct	Air China
24 Sep - 09 Oct	Air China
30 Sep - 09 Oct	China Eastern

Also check the deals for one-way flights from Seoul to Milano 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 Seoul to Milano in September from $604

Return flights