My flight to Istanbul Sabiha Gokcen is arriving by night on a Saturday at 2:50 am.
Since I am on a low budget I would like to know how I can get from Sabiha Gokcen to Sultanahmet area (European side) of Istanbul in a rather cheap way by night.
I already found the buses from the Havas company, but it appears the service is suspended and buses are not running anymore.
Also I found another company called Havatas, but they can only take me to Kadikoy (and I assume there is no ferry to European side during night).
Thank you in advance for your advice!