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

Return flights

07 Dec - 16 Dec	easyJet
07 Dec - 11 Dec	easyJet
03 Dec - 10 Dec	Ryanair
04 Dec - 14 Dec	ITA Airways
02 Dec - 17 Dec	easyJet
08 Dec - 15 Dec	Air France
04 Dec - 11 Dec	KLM
01 Dec - 15 Dec	KLM
03 Dec - 12 Dec	Turkish Airlines
12 Dec - 21 Dec	Eurowings
30 Dec - 29 Jan	ITA Airways
28 Dec - 26 Jan	Pegasus Airlines
14 Dec - 10 Jan	Ryanair
22 Dec - 18 Jan	Pegasus Airlines
13 Dec - 10 Jan	Ryanair
15 Dec - 11 Jan	Pegasus Airlines
26 Dec - 26 Jan	LOT
15 Dec - 10 Jan	Eurowings
17 Dec - 08 Jan	Pegasus Airlines
21 Dec - 17 Jan	Pegasus 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 528€

Return flights