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

Return flights

22 Jan - 20 Feb	Etihad Airways
15 Jan - 22 Jan	Etihad Airways
19 Jan - 31 Jan	Aer Lingus
05 Jan - 13 Jan	Aer Lingus
19 Jan - 27 Jan	Aer Lingus
22 Jan - 29 Jan	Eurowings
12 Jan - 19 Jan	Aer Lingus
22 Jan - 16 Feb	KLM
24 Jan - 31 Jan	Air France
22 Jan - 17 Feb	KLM
22 Jan - 22 Feb	KLM
18 Jan - 22 Feb	KLM
19 Jan - 22 Feb	KLM
20 Jan - 22 Feb	Air France
21 Jan - 22 Feb	KLM
02 Jan - 23 Jan	Eurowings
15 Jan - 31 Jan	Ryanair
17 Jan - 15 Feb	LOT
18 Jan - 15 Feb	LOT
04 Jan - 17 Jan	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 566€

Return flights