Cheapest return DUS–ICN flights, September

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

Return flights

15 Sep - 29 Sep Etihad Airways
01 Sep - 15 Sep Etihad Airways
16 Sep - 29 Sep Qatar Airways
03 Sep - 16 Sep Qatar Airways
02 Sep - 16 Sep Qatar Airways
12 Sep - 28 Sep Turkish Airlines
23 Sep - 10 Oct Qatar Airways
07 Sep - 30 Sep Qatar Airways
02 Sep - 09 Sep Qatar Airways
17 Sep - 01 Oct Qatar Airways
19 Sep - 30 Sep Qatar Airways
02 Sep - 14 Sep Etihad Airways
17 Sep - 11 Oct Qatar Airways
24 Sep - 18 Oct Etihad Airways
28 Sep - 18 Oct Emirates
03 Sep - 15 Oct Lufthansa

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

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