From the Airport Tegel: Take the bus TXL, which departs every 20 minutes, to get to the central station "Berlin Hauptbahnhof". From there, please take the S5 or the S75 for the station "Warschauer Straße". Taxi: It's a 20-25 minute trip and is around €30.
From the Airport Schönefeld: From the Airport Schönefeld: Take the S9, which departs every 20 minutes, for the station "Ostkreuz". From there please switch the trains and use the S5 for the station "Warschauer Straße". The Hotel is on the right site at Stralauer Allee. It's a 40 minute trip. Taxi: It's a 30 minute trip and is around €50.
You can choose between a single ticket (3,40€), a day ticket (7,70€) or a ticket for a week (37,50€). Within the ticket price, you can take the train and the bus in all sectors (ABC). You can choose between a single ticket (2,80€), a day ticket (7,00€) or a ticket for a week (30,00€). Within the ticket price, you can take the train and the bus in sector A and B.