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

Return flights

23 Apr - 02 May	Scandinavian Airlines
24 Apr - 04 May	Scandinavian Airlines
20 Apr - 26 Apr	Etihad Airways
24 Apr - 28 Apr	Etihad Airways
01 Apr - 08 Apr	Air France
16 Apr - 05 May	Turkish Airlines
03 Apr - 19 Apr	Etihad Airways
03 Apr - 05 Apr	Etihad Airways
07 Apr - 12 Apr	Etihad Airways
11 Apr - 27 Apr	Turkish Airlines
19 Apr - 29 Apr	Finnair
01 Apr - 15 Apr	Finnair
05 Apr - 25 Apr	Etihad Airways

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

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 April from 586€

Return flights