AirHint found the following cheapest return flights from Ljubljana (LJU) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 03 Apr - 13 Apr | LOT | ||
| 14 Apr - 03 May | LOT | ||
| 10 Apr - 23 Apr | Air Serbia | ||
| 18 Apr - 26 Apr | easyJet |
Also check the deals for one-way flights from Ljubljana to Seoul in April.
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