Augmentin Prices -(amoxicillin/potassium clavulanate) Compare Augmentin (amoxicillin/potassium clavulanate) prices available at international online pharmacies with local U.S. pharmacy coupon prices. The lowest price on PharmacyChecker.com for Augmentin (amoxicillin/potassium clavulanate) 1000 mg is$1.67 per...