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

Return flights

03 Dec - 07 Dec	Air China
05 Dec - 09 Dec	Air China
05 Dec - 07 Dec	Air China
03 Dec - 09 Dec	Air China
05 Dec - 23 Dec	Air China
17 Dec - 28 Dec	Air China
01 Dec - 09 Dec	Air China
01 Dec - 07 Dec	Air China
15 Dec - 12 Jan	Air China
19 Dec - 28 Dec	Air China
22 Dec - 28 Dec	Air China
31 Dec - 08 Jan	Air China
24 Dec - 08 Jan	Air China
19 Dec - 06 Jan	Air China
22 Dec - 01 Jan	Air China
21 Dec - 01 Jan	Air China
31 Dec - 11 Jan	Air China
22 Dec - 12 Jan	Air China
24 Dec - 04 Jan	Air China
31 Dec - 04 Jan	Air China

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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from Seoul to Copenhagen in December from 455€

Return flights