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

Return flights

15 Sep - 22 Sep	Ryanair
12 Sep - 21 Sep	Air China
15 Sep - 21 Sep	Air China
03 Sep - 17 Sep	Air China
11 Sep - 20 Sep	Air China
03 Sep - 21 Sep	Air China
03 Sep - 18 Sep	Air China
08 Sep - 23 Sep	Air China
05 Sep - 17 Sep	Air China
10 Sep - 18 Sep	Air China
18 Sep - 23 Oct	Air China
28 Sep - 13 Oct	Etihad Airways
29 Sep - 14 Oct	Etihad Airways
21 Sep - 04 Oct	Air China
17 Sep - 10 Oct	Hainan Airlines
28 Sep - 10 Oct	KLM
29 Sep - 10 Oct	KLM
28 Sep - 08 Oct	KLM
22 Sep - 08 Oct	KLM
29 Sep - 08 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Vienna to Seoul in September from $630

Return flights