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

Return flights

04 Dec - 10 Dec	Air China
09 Dec - 15 Dec	Air China
08 Dec - 15 Dec	Air China
04 Dec - 12 Dec	Air China
09 Dec - 26 Dec	Air France
11 Dec - 18 Dec	Scandinavian Airlines
07 Dec - 13 Dec	Air India
12 Dec - 19 Dec	Norwegian Air Sweden AOC
07 Dec - 22 Dec	Air China
16 Dec - 29 Dec	Air France
16 Dec - 09 Jan	Air France
28 Dec - 04 Jan	Air France
11 Dec - 03 Jan	KLM
27 Dec - 04 Jan	KLM
31 Dec - 07 Jan	Finnair
28 Dec - 07 Jan	Wizz Air
14 Dec - 07 Jan	Finnair
19 Dec - 03 Jan	KLM
19 Dec - 04 Jan	KLM
28 Dec - 07 Jan	Scandinavian Airlines	direct

Also check the deals for one-way flights from Copenhagen to Seoul in December.

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 December from 517€

Return flights