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

Return flights

05 May - 19 May	LOT
11 May - 20 May	LOT
05 May - 14 May	LOT
13 May - 20 May	LOT
14 May - 25 May	Etihad Airways
18 May - 27 May	Eurowings
24 May - 02 Jun	Air Serbia
06 May - 13 May	LOT
01 May - 19 May	Ryanair
01 May - 12 May	Ryanair
04 May - 18 May	Eurowings
19 May - 01 Jun	LOT
10 May - 07 Jun	Ryanair
28 May - 19 Jun	Pegasus Airlines
26 May - 05 Jun	Vueling Airlines
13 May - 04 Jun	AJet
13 May - 09 Jun	AJet
23 May - 02 Jun	LOT
21 May - 11 Jun	Ryanair
23 May - 06 Jun	LOT

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

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 May from 583€

Return flights