Ankara is within easy reach with direct flighst from international hubs such as Istanbul ( two airports; Ataturk and Sabiha Gokcen), Antalya, Munich and Doha. Ankara Esenboga Airport  is in the north of the city, and  connected to the city center with shuttle services run by HAVAS and  Belko Air which operates 24 hours. The cost 10 TL ( €3) payable on the bus. If you prefer to take a taxi, you can estimate the cost with this link.