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

Return flights

23 Aug - 29 Aug	Air China
18 Aug - 25 Aug	Air China
17 Aug - 28 Aug	Air China
26 Aug - 31 Aug	Air China
19 Aug - 24 Aug	Air China
19 Aug - 25 Aug	Air China
18 Aug - 22 Aug	Air China
19 Aug - 28 Aug	Air China
31 Aug - 04 Sep	Air China
31 Aug - 11 Sep	Air China
18 Aug - 07 Sep	Air China
31 Aug - 07 Sep	Air China
17 Aug - 07 Sep	Air China
19 Aug - 26 Aug	Air China
17 Aug - 21 Aug	Air China
28 Aug - 05 Sep	Air China
24 Aug - 08 Sep	Air China
27 Aug - 06 Sep	SWISS
27 Aug - 13 Sep	SWISS
24 Aug - 06 Sep	China Eastern

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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from Seoul to Copenhagen in August from 545€

Return flights