In Brussels, you will find a wide range of accommodations with just as wide a range of prices.

Youth hostels: A few suggestions

Generation Europe

Jacques Brel

JES Sleep Inn

Meininger Hotels: one close to the Brussels South railway station (Bruxelles Midi) and one close to the canal in Molenbeek

Sleep Well Youth Hostel (closest to the campus)

Or you can check out options on Booking.