Transportation From and Fo Istanbul

The best way to learn which buses go to where from Istanbul is to go to the site of Central Bus Station; 
Write your destination city/town in the box you will see in this page and you will get a list of the companies and their phone numbers which go to this town. 
Phone and Address of Istanbul Central Bus Station (Otogar) : 
Büyük Istanbul Otogari 
Telefon: 212 658 05 05 – 658 10 10 
Sefer Yerleri:Faks: +90.212 658 28 58 


Major Bus Companies :

Has Turizm :

Nilüfer Turizm : (online tickets available)

Ulusoy : (online tickets available)

Varan : tickets available)

Pamukkale : tickets available)

Kamil Koç : tickets available)

Metro Turizm : tickets available)

Uludağ Turizm :

A list of the airline company offices: 
Airports of Istanbul: 
Sabiha Gökçen Sabiha Airport is on the Asian side of the city about 60 kilometers away, with very poor connections to the city center. 
Ataturk Airport 
HAVAS AIRPORT SERVICE BUSES Timetable and Stations : 
Please notice that Havas does not serve to Taksim with shuttle buses from Sabiha Gokçen Airport. However there is a private shuttle service of Corendon airlines from this airport at certain hours of the day and night to Taksim square.

Major National Carriers: 
Turkish Airlines online tickets 
Pegasus Airlines (online tickets available) 
SKY Air (online tickets available) 
Onur Air (online tickets available) 
Atlas Jet (online tickets available)

the following airlines are just either doing cargo, or not functioning at the moment:

Fly Air: 
Free Bird Airlines 
Inter Air 
KTHY (Cyprus air) : 
Kuzu Air: 
MNG Airlines 
Saga Air : 

RAILWAY Turkish Railways...