Belle de Jour - watch online: streaming, buy or rent
Currently you are able to watch "Belle de Jour" streaming on Criterion Channel. It is also possible to buy "Belle de Jour" on Apple TV as download or rent it on Apple TV online.
There aren't any free streaming options for Belle de Jour right now. If you want know when it is streaming for free, click 'Free' in the filters above and hit the notification bell.