AirHint found the following cheapest return flights from Helsinki (HEL) to Ljubljana (LJU) in January 2026 (see full year).
Return flights
| 15 Jan - 20 Jan | KLM | ||
| 15 Jan - 22 Jan | KLM | ||
| 01 Jan - 05 Jan | airBaltic | ||
| 23 Jan - 26 Jan | KLM | ||
| 16 Jan - 20 Jan | KLM | ||
| 02 Jan - 05 Jan | airBaltic |
Also check the deals for one-way flights from Helsinki to Ljubljana in January.
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