AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Bucharest (OTP) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep	Wizz Air Malta
30 Sep - 16 Oct	Wizz Air Malta
25 Sep - 30 Sep	Ryanair
24 Sep - 02 Oct	Wizz Air Malta
30 Sep - 03 Oct	Wizz Air Malta
29 Sep - 01 Oct	HiSky Europe
29 Sep - 03 Oct	Ryanair
24 Sep - 30 Sep	Wizz Air Malta
23 Sep - 25 Sep	Wizz Air Malta
22 Sep - 30 Sep	HiSky Europe
22 Sep - 23 Sep	HiSky Europe
30 Sep - 30 Sep	Wizz Air Malta
18 Sep - 25 Sep	Ryanair
24 Sep - 25 Sep	Wizz Air Malta
28 Sep - 01 Oct	HiSky Europe
27 Sep - 03 Oct	Wizz Air Malta
23 Sep - 24 Sep	Wizz Air Malta
28 Sep - 02 Oct	HiSky Europe
27 Sep - 04 Oct	Ryanair

Also check the deals for one-way flights from Cluj-napoca to Bucharest 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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Cheapest return flights from Cluj-napoca to Bucharest in September from 87€

Return flights