AirHint found the following cheapest return flights from Rome (ROM) to Ljubljana (LJU) in May 2026 (see full year).
Return flights
| 21 May - 23 May | Lufthansa | ||
| 01 May - 05 May | Lufthansa | ||
| 08 May - 10 May | Lufthansa | ||
| 15 May - 17 May | Lufthansa | ||
| 16 May - 18 May | Lufthansa | ||
| 30 May - 04 Jun | SWISS | ||
| 01 May - 22 May | Lufthansa |
Also check the deals for one-way flights from Rome to Ljubljana in May.
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