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

Return flights

03 Dec - 09 Dec	China Eastern
17 Dec - 24 Dec	Lufthansa
15 Dec - 24 Dec	Lufthansa
08 Dec - 11 Dec	Lufthansa
17 Dec - 25 Dec	Lufthansa
06 Dec - 11 Dec	Air China
07 Dec - 14 Dec	Air China
12 Dec - 21 Dec	Air China
12 Dec - 16 Dec	Air China
10 Dec - 13 Dec	Air China
02 Dec - 06 Jan	Air France
29 Dec - 01 Jan	Lufthansa
26 Dec - 04 Jan	Lufthansa
25 Dec - 01 Jan	Lufthansa
26 Dec - 01 Jan	Lufthansa
26 Dec - 02 Jan	Lufthansa
30 Dec - 02 Jan	Lufthansa
24 Dec - 01 Jan	Scandinavian Airlines	direct
29 Dec - 01 Jan	Scandinavian Airlines	direct
26 Dec - 01 Jan	Scandinavian Airlines	direct

Also check the deals for one-way flights from Seoul to Copenhagen 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 Seoul to Copenhagen in December from 529€

Return flights