AirHint found the following cheapest one-way flights from Seoul (ICN) to Ljubljana (LJU) in April 2026 (see full year).
One-Way flights
| 01 Apr | Lufthansa | ||
| 23 Apr | Lufthansa | ||
| 25 Apr | LOT | ||
| 20 Apr | LOT | ||
| 26 Apr | LOT |
Also check the deals for return flights from Seoul to Ljubljana in April.
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