From the airport Paderborn / Lippstadt (about 15 km from the city center of Paderborn) there are direct bus connections (bus lines 400 and 460) to the main train station Paderborn (see arrival by train).
When you leave the main train station, there is a bus stop slightly to your right. Take the line 8 (direction Neuenbeken) or line 28 (direction Kaukenberg) to the stop "Berliner Ring". From here go on foot.
Here you can see line network plans: https://www.padersprinter.de/fahrplaninfo/downloads/karten-und-netzplaene
From the A33 take the exit "Paderborn Zentrum" and turn right onto the B64 direction "Bad Driburg". Here you take the second exit direction "Universität Paderborn". Then turn right at the traffic light junction onto the Südring and follow it. Then turn right in the direction of Benhausen onto Benhauser Straße and from here take the first left into Klingenderstraße. The Klingenderstraße first makes a left turn and then turn right. House no. 22 can be found on the left side. Parking is available behind the house.