Abilify (Aripiprazole) belongs to the group of medications known as antipsychotics. It is used to treat Schizophrenia and bipolar disorder. Abilify (Aripiprazole) may also be used in addition to other medications to treat major depressive disorder for adults who have not had enough of a response from previous treatments. Abilify Maintena Prices. The cost for Abilify Maintena intramuscular powder for injection, extended release 300 mg is around $2,009 for a supply of 1 powder for injections, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans. This Abilify Maintena price guide is based on using the Drugs.com discount card which is accepted at most U.S. pharmacies.