For more information about hotels in Leuven and online hotel room bookings, you can go to this website (available in different languages). Availability of rooms in Leuven is limited and early booking is strongly recommended.
Brussels national airport
From 05:30 till nearly midnight, the Airport City Express links the airport twice an hour with Leuven/Louvain. The train station at the airport is located in the basement (level -1) of the terminal building itself. Timetable information for the Airport City Express is available on the Belgian Railways website; enter Zaventem Airport as the departure or destination station.
The venue is located at walking distance from Leuven railway station. Timetable information can be found on the Belgian Railways website.
On this website you can find more information about Leuven.