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

Return flights

20 Oct - 30 Oct	Eurowings
21 Oct - 24 Oct	Eurowings
14 Oct - 14 Nov	Eurowings
14 Oct - 24 Oct	Eurowings
14 Oct - 25 Oct	Eurowings
29 Oct - 02 Nov	Lufthansa
14 Oct - 13 Nov	Lufthansa
12 Oct - 17 Oct	Lufthansa
23 Oct - 07 Nov	Lufthansa
31 Oct - 11 Nov	Japan Airlines
28 Oct - 12 Nov	Japan Airlines
15 Oct - 14 Nov	British Airways
06 Oct - 10 Oct	Japan Airlines
01 Oct - 10 Oct	Japan Airlines
13 Oct - 10 Nov	British Airways
09 Oct - 09 Nov	Japan Airlines
13 Oct - 13 Nov	Japan Airlines
15 Oct - 22 Oct	British Airways
01 Oct - 22 Oct	British Airways
11 Oct - 18 Oct	Iberia

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 $903

Return flights