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

Return flights

18 Aug - 25 Aug	Air China
19 Aug - 29 Aug	Air China
17 Aug - 31 Aug	Air China
09 Aug - 16 Aug	Air China
01 Aug - 03 Aug	Air China
01 Aug - 10 Aug	Air China
28 Aug - 31 Aug	Japan Airlines
29 Aug - 01 Sep	Japan Airlines
02 Aug - 22 Aug	Japan Airlines
01 Aug - 02 Aug	Asiana Airlines
18 Aug - 28 Aug	Japan Airlines
27 Aug - 24 Sep	Japan Airlines

Also check the deals for one-way flights from Seoul to Copenhagen 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 Copenhagen in August from $645

Return flights