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

Return flights

11 Aug - 25 Aug	Etihad Airways
21 Aug - 11 Sep	Air China
22 Aug - 31 Aug	Air China
29 Aug - 19 Sep	Air China
28 Aug - 11 Sep	Etihad Airways
28 Aug - 10 Sep	Air China
11 Aug - 23 Aug	Etihad Airways
21 Aug - 19 Sep	Air China
17 Aug - 27 Aug	Etihad Airways
17 Aug - 10 Sep	Etihad Airways
22 Aug - 28 Aug	Air China
21 Aug - 18 Sep	Air China
18 Aug - 31 Aug	Air China
25 Aug - 05 Sep	China Eastern
10 Aug - 25 Aug	Etihad Airways
18 Aug - 16 Sep	Air China
25 Aug - 31 Aug	Etihad Airways
11 Aug - 18 Aug	Etihad Airways
11 Aug - 24 Aug	Etihad Airways
26 Aug - 05 Sep	Etihad Airways

Also check the deals for one-way flights from Copenhagen 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 Copenhagen to Seoul in August from $658

Return flights