AirHint found the following cheapest return flights from Frankfurt (FRA) to Cluj-napoca (CLJ) in September 2025 (see full year).
Return flights
| 09 Sep - 16 Sep | Wizz Air Malta | direct | |
| 18 Sep - 27 Sep | Ryanair | ||
| 17 Sep - 27 Sep | Lufthansa | ||
| 05 Sep - 08 Sep | Lufthansa | ||
| 21 Sep - 27 Sep | SWISS |
Also check the deals for one-way flights from Frankfurt to Cluj-napoca in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
Find us on social media