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

Return flights

05 Dec - 18 Dec	Eurowings
04 Dec - 17 Dec	easyJet
06 Dec - 17 Dec	easyJet
01 Dec - 12 Dec	Ryanair
04 Dec - 12 Dec	easyJet
01 Dec - 11 Dec	Ryanair
02 Dec - 10 Dec	Ryanair
03 Dec - 10 Dec	Etihad Airways
05 Dec - 16 Dec	easyJet
01 Dec - 17 Dec	easyJet
09 Dec - 20 Jan	Air France
12 Dec - 13 Jan	Eurowings
15 Dec - 30 Jan	easyJet
12 Dec - 12 Jan	Eurowings
07 Dec - 11 Jan	KLM
14 Dec - 12 Jan	easyJet
09 Dec - 01 Jan	Eurowings
27 Dec - 13 Jan	LOT
13 Dec - 12 Jan	LOT
26 Dec - 13 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 538€

Return flights