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

Return flights

03 Sep - 10 Sep	Austrian Airlines
30 Sep - 14 Oct	Scoot
18 Sep - 23 Oct	Air China
05 Sep - 21 Sep	Air China
03 Sep - 19 Sep	Air China
04 Sep - 23 Sep	Air China
10 Sep - 21 Sep	Air China
11 Sep - 22 Sep	Air China
03 Sep - 07 Sep	Air China
10 Sep - 18 Sep	Air China
12 Sep - 15 Sep	Air China
10 Sep - 17 Sep	Air China
23 Sep - 11 Oct	Air China
24 Sep - 22 Oct	Air China
24 Sep - 20 Oct	Air China
22 Sep - 12 Oct	Air China
22 Sep - 13 Oct	Air China
15 Sep - 29 Oct	Air China
28 Sep - 13 Oct	Ryanair
30 Sep - 09 Oct	KLM

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 479€

Return flights