French interior doors sold on the Lowes website and in stores range in price from $130 to $330, as of 2015. The brands of interior doors Lowes sell are from ReliaBilt and Lowes has only five doors for sale, as of August 2015.
On the Lowes website, customers can look up more specific information about the French interior doors for sale, such as door material, dimensions, colors and style. Some examples of doors available for purchase are ReliaBilt 15-lite French solid core pine reversible door and ReliaBilt 10-lite French solid core pine universal door. Customers can contact Lowes by phone for product information questions at (877) 465-6937 or for customer care questions at (800) 445-6937.