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

Return flights

01 Dec - 08 Dec	Air France
02 Dec - 08 Dec	Air France
02 Dec - 11 Dec	Air France
29 Dec - 18 Jan	Finnair
06 Dec - 23 Dec	Etihad Airways
08 Dec - 07 Jan	Finnair
27 Dec - 23 Jan	Finnair
28 Dec - 23 Jan	Scandinavian Airlines
21 Dec - 24 Dec	Scandinavian Airlines
18 Dec - 21 Dec	Finnair
20 Dec - 10 Jan	Finnair
18 Dec - 05 Jan	Finnair
20 Dec - 05 Jan	Finnair
24 Dec - 31 Dec	Turkish Airlines
24 Dec - 01 Jan	Turkish Airlines
24 Dec - 29 Dec	Turkish Airlines
24 Dec - 02 Jan	Turkish Airlines
24 Dec - 04 Jan	Turkish Airlines
24 Dec - 27 Dec	Turkish Airlines
24 Dec - 26 Dec	Turkish Airlines

Also check the deals for one-way flights from Duesseldorf 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 Duesseldorf to Seoul in December from $767

Return flights