AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Istanbul (IST) in December 2025 (see full year).

Return flights

26 Dec - 28 Dec	TAROM
05 Dec - 12 Dec	Ryanair
10 Dec - 12 Jan	Wizz Air Malta
15 Dec - 20 Dec	Wizz Air Malta
09 Dec - 12 Dec	Wizz Air Malta
11 Dec - 13 Dec	Ryanair
04 Dec - 09 Dec	Ryanair
16 Dec - 20 Dec	Wizz Air Malta
07 Dec - 16 Dec	Ryanair
09 Dec - 12 Dec	Turkish Airlines	direct
11 Dec - 25 Dec	Ryanair
14 Dec - 06 Jan	Wizz Air Malta
31 Dec - 01 Jan	Wizz Air Malta
30 Dec - 02 Jan	Wizz Air Malta
14 Dec - 04 Jan	Wizz Air Malta
19 Dec - 11 Jan	Wizz Air Malta
30 Dec - 01 Jan	Wizz Air Malta
27 Dec - 06 Jan	TAROM
21 Dec - 06 Jan	HiSky Europe
01 Dec - 01 Jan	Animawings

Also check the deals for one-way flights from Cluj-napoca to Istanbul in December.

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 Istanbul in December from 158€

Return flights