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

Return flights

24 Sep - 16 Oct	Air China
24 Sep - 15 Oct	Air China
22 Sep - 22 Oct	Air China
18 Sep - 22 Oct	Air China
03 Sep - 18 Sep	KLM
02 Sep - 15 Sep	KLM
08 Sep - 15 Sep	KLM
08 Sep - 18 Sep	KLM
07 Sep - 15 Sep	KLM
02 Sep - 23 Sep	Finnair
03 Sep - 11 Sep	Finnair
21 Sep - 18 Oct	Air China
21 Sep - 12 Oct	Air China
05 Sep - 19 Sep	Air China
09 Sep - 16 Sep	Air China
02 Sep - 16 Sep	Air China
28 Sep - 14 Oct	Finnair
24 Sep - 08 Oct	Finnair
30 Sep - 07 Oct	Finnair
28 Sep - 28 Oct	Finnair

Also check the deals for one-way flights from Munich 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 Munich to Seoul in September from $698

Return flights