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

Return flights

15 Jan - 28 Jan	Vueling Airlines
15 Jan - 30 Jan	Vueling Airlines
15 Jan - 25 Jan	Vueling Airlines
15 Jan - 21 Jan	Vueling Airlines
11 Jan - 26 Jan	Pegasus Airlines
11 Jan - 19 Jan	Pegasus Airlines
13 Jan - 20 Jan	easyJet
12 Jan - 19 Jan	easyJet
13 Jan - 27 Jan	Pegasus Airlines
17 Jan - 07 Feb	Eurowings
17 Jan - 16 Feb	Eurowings
18 Jan - 30 Jan	easyJet
23 Jan - 08 Feb	Vueling Airlines
29 Jan - 07 Feb	Eurowings
15 Jan - 13 Feb	Vueling Airlines
31 Jan - 07 Feb	Eurowings

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 438€

Return flights