AirHint found the following cheapest return flights from Duesseldorf (DUS) to Seoul (ICN) in January 2026 (see full year).

Return flights

17 Jan - 31 Jan	Vueling Airlines
22 Jan - 29 Jan	easyJet
08 Jan - 19 Jan	easyJet
16 Jan - 23 Jan	easyJet
12 Jan - 19 Jan	easyJet
08 Jan - 18 Jan	Eurowings
08 Jan - 17 Jan	Eurowings
15 Jan - 05 Feb	Eurowings
11 Jan - 25 Jan	easyJet
15 Jan - 09 Feb	Etihad Airways
04 Jan - 23 Jan	easyJet
03 Jan - 23 Jan	easyJet
30 Jan - 15 Feb	Lufthansa
24 Jan - 15 Feb	Lufthansa

Also check the deals for one-way flights from Duesseldorf to Seoul in January.

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 January from 503€

Return flights