AirHint found the following cheapest return flights from Cologne (CGN) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 25 Apr - 08 May | Ryanair | ||
| 25 Apr - 07 May | Ryanair | ||
| 26 Apr - 07 May | Eurowings | ||
| 27 Apr - 16 May | SunExpress | ||
| 01 Apr - 14 Apr | Ryanair | ||
| 03 Apr - 24 Apr | Eurowings | ||
| 01 Apr - 08 Apr | Ryanair |
Also check the deals for one-way flights from Cologne to Seoul in April.
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