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

Return flights

14 Sep - 26 Oct	Lufthansa
12 Sep - 19 Sep	Air China
17 Sep - 25 Sep	Air China
17 Sep - 22 Sep	Air China
17 Sep - 24 Sep	Air China
12 Sep - 16 Sep	Air China
16 Sep - 19 Sep	Air China
19 Sep - 01 Oct	Air China
18 Sep - 25 Sep	Air China
11 Sep - 23 Sep	Air China
16 Sep - 25 Sep	Air China
21 Sep - 01 Oct	Air China
14 Sep - 21 Sep	Lufthansa
17 Sep - 03 Oct	Air China
17 Sep - 15 Oct	Air China
24 Sep - 01 Oct	Lufthansa
19 Sep - 24 Oct	Air China
25 Sep - 16 Oct	Scoot Tigerair
24 Sep - 14 Oct	Scoot Tigerair
26 Sep - 14 Oct	Air China

Also check the deals for one-way flights from Seoul to Vienna 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 Seoul to Vienna in September from 499€

Return flights