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

Return flights

17 Sep - 22 Oct	Air China
14 Sep - 13 Oct	Air China
14 Sep - 22 Oct	Air China
21 Sep - 11 Oct	Air China
22 Sep - 12 Oct	Air China
02 Sep - 14 Sep	Air China
08 Sep - 18 Sep	Air China
02 Sep - 16 Sep	Ryanair
01 Sep - 11 Sep	Air China
07 Sep - 17 Sep	Air China
03 Sep - 17 Sep	Air China
01 Sep - 08 Sep	Air China
05 Sep - 16 Sep	Air China
29 Sep - 13 Oct	Lufthansa
28 Sep - 13 Oct	Lufthansa
07 Sep - 21 Sep	SWISS
07 Sep - 20 Sep	SWISS
28 Sep - 15 Oct	Lufthansa
24 Sep - 08 Oct	Finnair
28 Sep - 08 Oct	Finnair

Also check the deals for one-way flights from Vienna 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 Vienna to Seoul in September from 544€

Return flights