Ventolin HFA Prices. This Ventolin HFA price guide is based on using the Drugs.com discount card which is accepted at most U.S. pharmacies. The cost for Ventolin HFA inhalation aerosol (CFC free 90 mcg/inh) is around $25 for a supply of 8 grams, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans. CFC free 90 mcg/inh Ventolin HFA inhalation aerosol.