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

Return flights

02 Dec - 12 Dec	Scandinavian Airlines
01 Dec - 09 Dec	Finnair
01 Dec - 11 Dec	Finnair
10 Dec - 12 Jan	Lufthansa
11 Dec - 09 Jan	Finnair
10 Dec - 20 Dec	Finnair
30 Dec - 09 Jan	Finnair
15 Dec - 25 Dec	KLM
11 Dec - 05 Jan	Finnair
13 Dec - 23 Dec	Finnair
13 Dec - 13 Jan	LOT
31 Dec - 10 Jan	Finnair
29 Dec - 11 Jan	Finnair
19 Dec - 13 Jan	Finnair
25 Dec - 04 Jan	Finnair
18 Dec - 05 Jan	Finnair
18 Dec - 25 Dec	Finnair

Also check the deals for one-way flights from Berlin 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 Berlin to Seoul in December from 619€

Return flights