AirHint found the following cheapest return flights from Duesseldorf (DUS) to Seoul (ICN) in August 2026 (see full year).
Return flights
| 18 Aug - 26 Aug | Finnair | ||
| 28 Aug - 11 Sep | Finnair | ||
| 27 Aug - 18 Sep | Eurowings | ||
| 10 Aug - 31 Aug | Eurowings | ||
| 10 Aug - 28 Aug | Lufthansa | ||
| 12 Aug - 23 Aug | Lufthansa |
Also check the deals for one-way flights from Duesseldorf to Seoul in August.
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