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

Return flights

15 Aug - 31 Aug	Etihad Airways
28 Aug - 02 Sep	Etihad Airways
28 Aug - 31 Aug	Etihad Airways
28 Aug - 04 Sep	Etihad Airways
22 Aug - 31 Aug	Air China
20 Aug - 27 Aug	Air China
25 Aug - 31 Aug	Air China
25 Aug - 29 Aug	Air China
23 Aug - 31 Aug	Air China
17 Aug - 24 Aug	Air China
31 Aug - 08 Sep	Air China
31 Aug - 06 Sep	Air China
30 Aug - 04 Sep	Air China
29 Aug - 03 Sep	Air China
22 Aug - 02 Sep	Air China
22 Aug - 03 Sep	Air China
20 Aug - 01 Sep	Air China
27 Aug - 15 Sep	Air China
22 Aug - 29 Aug	Air China
19 Aug - 31 Aug	Air China

Also check the deals for one-way flights from Seoul to Vienna in August.

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 August from $638

Return flights