PublicTransportation from Schoenefeld Airport to your destination:

By Train:
The underground ICE-enabled train station has 4 long-distance and 2 S-Bahn rails.

From Airport to Berlin's Main Train Terminal (Hauptbahnhof) - with connections to the U-Bahn trains (subway): 'Airport Express', Line RB19, is a new & additional connection, taking only 25 minutes.  There are three other lines serving the Airport: RE7 (Dessau to Wunsdorf-Waldstadt); RB14 (Nauen to Schonefeld)  & RB22 (to Potsdam).
Via Subway:
S-Bahn S9 runs between the Airport and Treptower Park station, where there is a connection to lines S41 and S42 of the Berlin Ringbahn.
Line S45 is presently not available. For public transport network tickets for Berlin and the whole of Brandenburg (S-Bahn, day and group tickets).

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