AirHint found the following cheapest one-way flights from Seoul (ICN) to Ljubljana (LJU) in September 2026 (see full year).
One-Way flights
| 29 Sep | Vietnam Airlines | ||
| 19 Sep | VietJet Air | ||
| 20 Sep | Finnair | ||
| 27 Sep | Finnair |
Also check the deals for return flights from Seoul to Ljubljana in September.
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