AirHint found the following cheapest return flights from Zurich (ZRH) to Seoul (ICN) in August 2026 (see full year).

Return flights

18 Aug - 02 Sep	Qatar Airways
18 Aug - 31 Aug	Qatar Airways
17 Aug - 30 Aug	Qatar Airways
23 Aug - 31 Aug	Qatar Airways
22 Aug - 30 Aug	Qatar Airways
09 Aug - 25 Aug	Scandinavian Airlines
29 Aug - 31 Aug	LOT
09 Aug - 16 Aug	Cathay Pacific
08 Aug - 15 Aug	LOT
08 Aug - 22 Aug	LOT
18 Aug - 31 Aug	SWISS	direct
18 Aug - 02 Sep	SWISS	direct

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 633€

Return flights