On arrival at Brussels airport, take the train to LEUVEN (Louvain).
The train station is located in the basement (level -1) of the airport terminal building itself. A one-way ticket to Leuven costs 4,10 EUR. There are 2 direct trains to Leuven per hour, the trip takes only 16 minutes.
Timetable information for the Airport City Express is available on the
Belgian Railways website; enter "Brussels Airport" as the departure or destination station.
By arrival at LEUVEN railway station, take a taxi to your hotel.