Public buses operate during the night between 00:00 and 04:00. Night services run through the night until regular service resumes at dawn.
The night public transport provides access to the main residential and entertainment areas in Sofia. The major hub for night bus lines is “Knyaz Alexander the First” Square which is 7 – 10 minute walk to the apartment.
Tickets are available in the vehicle. The price of the night pass is 2 Bulgarian lev (1 euro).
Here is the map of the night transport in Sofia: www.sofia.bg.