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

Return flights

27 Nov - 14 Dec	KLM
24 Nov - 03 Dec	KLM
15 Nov - 03 Dec	LOT
23 Nov - 02 Dec	LOT
06 Nov - 12 Nov	Eurowings
14 Nov - 24 Nov	Finnair
04 Nov - 17 Nov	Finnair
10 Nov - 24 Nov	Finnair
09 Nov - 23 Nov	Finnair
09 Nov - 17 Nov	Finnair
06 Nov - 27 Nov	Finnair
06 Nov - 21 Nov	Finnair
18 Nov - 15 Dec	Finnair
01 Nov - 08 Nov	Finnair
08 Nov - 15 Nov	Finnair

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

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 November from $769

Return flights