There are different ways of visiting:

From Monday to Friday from 5.00pm to 6.00pm: Free visit to the cloister and visit to the Reditus exhibition, cost 5 euros (reduced 2 euros)
Every day in combination with the guided tour of the Cloister, Frescoes in the attic and the Priory Chapel at 11am and 3pm, cost 10 euros (reduced 5 euros)
Every Saturday at 5.30pm with "black and white" guided tours combined with an aperitif at Erbavoglio, cost 20 euros
Every Sunday at 3.00 pm with guided tour of the Cloister and the Reditus exhibition, cost 7 euros, reduced 5