Buspar is a brand name for buspirone, an oral tablet used to treat anxiety disorders. The price for buspirone 5 mg tablet varies depending on the pharmacy and the insurance plan. The average retail price is around $17.75, but some pharmacy coupons or cash prices may be lower. The lowest price reported by GoodRx is around $4.00, which is 77% off the average retail price. ^drugs.com+1 ^{1 2}