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

Return flights

21 Oct - 30 Oct	Eurowings
23 Oct - 03 Nov	Vueling Airlines
24 Oct - 09 Nov	Eurowings
31 Oct - 10 Nov	Eurowings
28 Oct - 12 Nov	Scandinavian Airlines
23 Oct - 06 Nov	Eurowings
01 Oct - 16 Oct	Air France
01 Oct - 08 Oct	Air France
01 Oct - 14 Oct	Air France
02 Oct - 09 Oct	KLM
22 Oct - 29 Oct	British Airways
23 Oct - 30 Oct	KLM
01 Oct - 12 Oct	Air France
01 Oct - 15 Oct	Air France
21 Oct - 28 Oct	Etihad Airways
21 Oct - 11 Nov	Etihad Airways
01 Oct - 01 Nov	LOT
24 Oct - 07 Nov	Eurowings
22 Oct - 07 Nov	LOT
20 Oct - 04 Nov	Etihad Airways

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

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 October from 535€

Return flights