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

Return flights

20 Aug - 06 Sep	Etihad Airways
13 Aug - 18 Sep	KLM
30 Aug - 08 Sep	Etihad Airways
20 Aug - 02 Sep	Etihad Airways
30 Aug - 07 Sep	Etihad Airways
27 Aug - 03 Sep	Air France
25 Aug - 06 Sep	LOT
25 Aug - 09 Sep	LOT
25 Aug - 03 Sep	LOT
31 Aug - 11 Sep	LOT
11 Aug - 18 Aug	Lufthansa
19 Aug - 25 Aug	SWISS
20 Aug - 29 Aug	Etihad Airways
21 Aug - 28 Aug	Etihad Airways
13 Aug - 27 Aug	SWISS
28 Aug - 31 Aug	SWISS
12 Aug - 30 Aug	SWISS
12 Aug - 26 Aug	SWISS
18 Aug - 24 Aug	LOT
17 Aug - 27 Aug	SWISS

Also check the deals for one-way flights from Zurich 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 Zurich to Seoul in August from 552€

Return flights