AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Keflavik (KEF) in September 2025 (see full year).
Return flights
| 24 Sep - 01 Oct | Ryanair | ||
| 22 Sep - 02 Oct | Ryanair | ||
| 27 Sep - 30 Sep | Wizz Air Malta | ||
| 01 Sep - 10 Sep | HiSky Europe | ||
| 06 Sep - 20 Sep | Wizz Air Malta |
Also check the deals for one-way flights from Cluj-napoca to Keflavik 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.
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