AirHint found the following cheapest return flights from Duesseldorf (DUS) to Seoul (ICN) in September 2026 (see full year).
Return flights
| 02 Sep - 16 Sep | Lufthansa | ||
| 01 Sep - 14 Sep | Finnair | ||
| 18 Sep - 05 Oct | Lufthansa | ||
| 18 Sep - 16 Oct | Lufthansa | ||
| 06 Sep - 12 Sep | Finnair | ||
| 07 Sep - 27 Sep | Finnair | ||
| 04 Sep - 18 Sep | easyJet | ||
| 12 Sep - 19 Sep | Ryanair |
Also check the deals for one-way flights from Duesseldorf to Seoul in September.
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