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

Return flights

18 Sep - 23 Oct	Air China
14 Sep - 20 Sep	Air China
15 Sep - 21 Sep	Air China
01 Sep - 22 Sep	Pegasus Airlines
18 Sep - 17 Oct	Air China
06 Sep - 21 Oct	Air China
23 Sep - 28 Sep	Air China
12 Sep - 21 Sep	Air China
03 Sep - 18 Sep	Air China
11 Sep - 21 Sep	Air China
12 Sep - 22 Sep	Air China
14 Sep - 22 Sep	Air China
15 Sep - 23 Sep	Air China
28 Sep - 15 Oct	Etihad Airways
17 Sep - 17 Oct	Etihad Airways
21 Sep - 20 Oct	Air China
17 Sep - 01 Oct	Air China
08 Sep - 06 Oct	Etihad Airways
24 Sep - 01 Oct	Air China
30 Sep - 07 Oct	Etihad Airways

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 525€

Return flights