From Ataturk Airport :
– The easiest way : Get on the Havatas Bus which has the sign Taksim and get off at the last stop Taksim.
– Get on the Airport Metro : Havalimanı – Aksaray Line. Get off at Aksaray (the last stop) and walk to the tramway stop. Transfer to the Kabatas Tramway. You will pass the following stops : Laleli, Beyazit, Cemberlitas, Sultanahmet, Gulhane, Sirkeci, Eminonu, Karakoy, Tophane, Findikli, Kabatas. Get off at Kabatas and transfer to Funikuler : directly going to Taksim.
– An alternative way : Get on the Airport Metro : Havalimanı – Aksaray Line. Get off at Aksaray (the last stop) and take a taxi to Yenikapi Metro which is very close. Then get on the metro, pass the stops, Yenikapı, Vezneciler, Haliç, Sishane, get off at Taksim.
From Sabiha Gokcen Airport :
– Get on the Havatas Bus, with the sign Taksim.
If you are at the European Side Yenikapı, Vezneciler, Haliç, Sishane, Osmanbey, Sisli/Mecidiyeköy, Gayrettepe, Levent, 4.Levent, Sanayi, İTÜ Ayazağa, Atatürk Oto Sanayi, Darüssafaka, Hacıosman, Seyrantepe, just find the M sign. If you cannot find it, ask somebody “Metro nerede?”
By Yellow minibus :
There is also a small bus, which does not exist in Europe for this purpose.
You can see this minibus (sari dolmus) in many regions : Bostanci, Kadikoy, Bakirkoy, Atakoy, Yesilkoy, Kocamustafapasa. If you see the minibus with the sign of Taksim starting from those districts, it is going to Taksim for sure.
If you see the minibus on the way, you should ask the question: “Taksim?” before getting on. Turkish is very simple to prononciate, read it as it is.
By bus : There are several buses going to Taksim. If you see the sign Taksim on the bus, and you are not sure if the direction is correct, just ask the driver “Taksim?”, and they will help you.