OnurAir is the largest private airline in Turkey and is based at Istanbul's Atatürk International Airport.

OnurAir has a fleet of 23 aircraft including Airbus A300's, A320's, A321`'s and McDonnell Douglas ND88's. The airline is an aircraft leasing specialist, providing aircraft for other airlines, including Saudi Arabian Airlines, but also operates low cost domestic scheduled services within Turkey.
From its main base in Istanbul low cost flights operate to ten Turkish Airports including: Adana, Antalya, Diyarbakirm, Erzurum, Gaziantep, Izmir, Malatya Samsun and Trabzon. Most destinations are served daily but with a reduced programme over the weekend on some destinations.
OnurAir was established in 1992, and is the first and the only airline company that has received the EN9110:2005 Quality Standardization Certificate in Turkey.