AirHint found the following cheapest return flights from London (LCY) to Cluj-napoca (CLJ) in May 2026 (see full year).
Return flights
| 22 May - 24 May | SWISS | ||
| 11 May - 14 May | SWISS | ||
| 25 May - 28 May | SWISS | ||
| 22 May - 26 May | Aer Lingus | ||
| 21 May - 24 May | ITA Airways | ||
| 14 May - 17 May | Aer Lingus |
Also check the deals for one-way flights from London to Cluj-napoca in May.
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