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

Return flights

22 Sep - 30 Sep	Emirates
22 Sep - 29 Sep	Emirates
18 Sep - 26 Sep	Air China
17 Sep - 23 Sep	Air China
17 Sep - 24 Sep	Air China
17 Sep - 26 Sep	Air China
17 Sep - 28 Sep	Air China
18 Sep - 23 Sep	Air China
22 Sep - 28 Sep	Emirates
17 Sep - 27 Sep	Air China
23 Sep - 01 Oct	Emirates
23 Sep - 04 Oct	Scoot
24 Sep - 04 Oct	Scoot
17 Sep - 01 Oct	Scoot
22 Sep - 05 Oct	Emirates
29 Sep - 05 Oct	China Eastern
26 Sep - 02 Oct	Thai AirAsia X
19 Sep - 20 Oct	Air China
25 Sep - 02 Oct	Air China
25 Sep - 03 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 $668

Return flights