AirHint found the following cheapest return flights from Newcastle (NCL) to Ljubljana (LJU) in May 2026 (see full year).
Return flights
| 21 May - 28 May | Lufthansa | ||
| 05 May - 10 May | Lufthansa | ||
| 23 May - 06 Jun | Lufthansa | ||
| 13 May - 19 May | British Airways |
Also check the deals for one-way flights from Newcastle to Ljubljana in May.
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