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

Return flights

28 Aug - 02 Sep	Air China
19 Aug - 23 Aug	Air China
25 Aug - 31 Aug	Air China
28 Aug - 06 Sep	Air China
30 Aug - 06 Sep	Air China
25 Aug - 09 Sep	Air China
30 Aug - 15 Sep	Air China
26 Aug - 02 Sep	Air China
21 Aug - 29 Aug	Air China
19 Aug - 26 Aug	Air China
21 Aug - 24 Aug	Air China
19 Aug - 27 Aug	Air China
28 Aug - 01 Sep	Air China
23 Aug - 26 Aug	Air China
25 Aug - 27 Aug	Air China
19 Aug - 28 Aug	Air China
23 Aug - 28 Aug	Air China
21 Aug - 01 Sep	Air China
25 Aug - 05 Sep	Air China
29 Aug - 03 Sep	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 515€

Return flights