Bentyl is used to treat Irritable Bowel Syndrome. The generic version is called Dicyclomine hydrochloride. The average Bentyl cash price is about $19.25 for a supply of Tablet 20 MG 30 pcs. You can reduce your Bentyl cost by up to 75% with our free Bentyl discount card. Bring it to a participating pharmacy near you to save on your prescription medication.