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

Return flights

15 Dec - 18 Dec	Wizz Air
10 Dec - 17 Dec	KLM
14 Dec - 22 Dec	Ryanair
16 Dec - 12 Jan	Austrian Airlines
14 Dec - 31 Dec	Ryanair
21 Dec - 11 Jan	Iberia Express
15 Dec - 02 Jan	Wizz Air
21 Dec - 31 Dec	Iberia Express
26 Dec - 04 Jan	China Eastern
13 Dec - 20 Dec	Turkish Airlines
17 Dec - 07 Jan	Ryanair
14 Dec - 02 Jan	Austrian Airlines
24 Dec - 31 Dec	KLM
21 Dec - 05 Jan	Pegasus Airlines
26 Dec - 05 Jan	Ryanair
21 Dec - 28 Dec	LOT
21 Dec - 07 Jan	Iberia Express
31 Dec - 07 Jan	Lufthansa
21 Dec - 25 Dec	Norwegian Air Sweden AOC
11 Dec - 12 Dec	Lufthansa

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 562€

Return flights