Billu opening day collection remained decent and hovered around Rs. 3 crores. It witnessed a jump on the first Saturday as well as Sunday and took its total over Rs. 12 crores. The film held well on Monday and dropped decently over the weekdays to earn Rs. 17 crores in the first week.
On its second Friday, the film didn't earn well and hence earned at low-level in the second week. In its lifetime, it grossed Rs. 23 crores in the domestic market which signaled a moderate performance of the film. Billu earned well in the overseas and its worldwide total reached near Rs. 47 crores.
The music of the film also played an important role in attracting the audience to its theatres and hence made a significant contribution to its total earning.