Period and charge details of transportation from airports to Harbiye Cultural Center and Museum are below by taxi.
Atatürk Airport (Europe Side)
40-50 min. / 20 €-25 €
Sabiha Gökçen Airport (Asia Side)
60-80 min./ 35 €-40 €
The Harbiye Cultural Center and Muesum is also accessible by subway but is not recommonded through four connection.

From the Airport To Taksim:

There are two internationa airports in İstanbul. One in the European and the other on the Anatolian (Asian) side.

Atatürk International Airport:
It is located in the European side of The Harbiye Cultural Center and Muesum. It is nearly 35-40 km away from Taksim Square.

Havataş coach service: You could take Havataş coaches from the airport to Taksim Square. It costs only 5 Euros (10 TL) and off-rush hour it takes 30 min to Taksim Square. Please see the link for departure schedule: http://www.havatas.com/en/coach.aspx?i=1 (Please see TAKSİM SHUTTLE SERVICE INFORMATION)

Sabiha Gökçen International Airport:
It is located in the Asian side of Istanbul. It is nearly 50 km away from Taksim Square.

Havataş coach service: You could take Havataş coaches from the airport to Taksim Square. It costs only 6 Euros (12 TL) and off-rush hour it takes 40 minutes to Taksim Square. Please see the link for departure schedule: http://www.havatas.com/en/coach.aspx?i=2 (Please see TAKSİM SHUTTLE SERVICE INFORMATION)

Location