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

Return flights

21 Apr - 28 Apr	LOT
20 Apr - 28 Apr	LOT
07 Apr - 19 May	LOT
19 Apr - 09 May	Air Serbia
29 Apr - 14 May	LOT
29 Apr - 07 May	Air Serbia
18 Apr - 09 May	Ryanair
14 Apr - 26 May	Eurowings
07 Apr - 20 May	LOT
20 Apr - 11 May	Eurowings
12 Apr - 24 Apr	Air Serbia
25 Apr - 09 May	AJet
29 Apr - 16 May	Air Serbia
12 Apr - 23 Apr	Air Serbia
12 Apr - 26 Apr	Air Serbia
10 Apr - 24 Apr	AJet
04 Apr - 17 Apr	AJet
14 Apr - 25 Apr	Eurowings
10 Apr - 20 Apr	AJet
14 Apr - 26 Apr	Eurowings

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 571€

Return flights