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

Return flights

21 Apr - 28 Apr	Japan Airlines
22 Apr - 29 Apr	Lufthansa
22 Apr - 30 Apr	Lufthansa
04 Apr - 18 Apr	Japan Airlines
09 Apr - 22 Apr	Japan Airlines
25 Apr - 09 May	Japan Airlines
25 Apr - 16 May	Lufthansa
24 Apr - 05 May	Japan Airlines
19 Apr - 03 May	British Airways
03 Apr - 18 Apr	Japan Airlines
02 Apr - 08 Apr	Lufthansa
01 Apr - 08 Apr	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 $1914

Return flights