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

Return flights

13 Apr - 22 Apr	Eurowings
13 Apr - 24 Apr	Eurowings
01 Apr - 22 Apr	Air China
01 Apr - 14 Apr	Lufthansa
25 Apr - 10 May	Finnair
30 Apr - 11 May	Finnair
10 Apr - 25 Apr	Turkish Airlines
12 Apr - 25 Apr	Turkish Airlines
21 Apr - 05 May	Finnair
14 Apr - 21 Apr	Finnair
18 Apr - 03 May	Finnair
30 Apr - 16 May	Austrian Airlines
21 Apr - 28 Apr	Finnair
11 Apr - 25 Apr	Finnair
20 Apr - 26 Apr	Lufthansa
25 Apr - 02 May	Finnair
29 Apr - 12 May	Lufthansa
27 Apr - 15 May	Lufthansa
16 Apr - 10 May	Japan Airlines
23 Apr - 02 May	Lufthansa

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 $1104

Return flights