AirHint found the following cheapest return flights from Cologne (CGN) to Seoul (ICN) in August 2026 (see full year).
Return flights
| 17 Aug - 04 Sep | SunExpress | ||
| 10 Aug - 24 Aug | Ryanair | ||
| 03 Aug - 11 Aug | Eurowings | ||
| 08 Aug - 23 Aug | Ryanair | ||
| 01 Aug - 28 Sep | Air Serbia |
Also check the deals for one-way flights from Cologne to Seoul in August.
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