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

Return flights

26 Aug - 16 Sep	Ryanair
29 Aug - 02 Sep	Air China
27 Aug - 06 Sep	Air China
30 Aug - 12 Sep	Hainan Airlines
20 Aug - 05 Sep	Hainan Airlines
29 Aug - 07 Sep	Air China
29 Aug - 03 Sep	Air China
31 Aug - 15 Sep	Air China
26 Aug - 20 Sep	Air China
25 Aug - 10 Sep	LOT
18 Aug - 25 Aug	Turkish Airlines
20 Aug - 27 Aug	Turkish Airlines
21 Aug - 29 Aug	Turkish Airlines
19 Aug - 28 Aug	LOT
19 Aug - 26 Aug	Ryanair
21 Aug - 28 Aug	Scoot
17 Aug - 29 Aug	Aegean Airlines
27 Aug - 30 Aug	Pegasus Airlines
19 Aug - 23 Aug	Ryanair
26 Aug - 31 Aug	Air China

Also check the deals for one-way flights from Vienna to Seoul 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 Vienna to Seoul in August from 555€

Return flights