The average Methadone cash price is about $12.15 for a supply of: Tablet 10 MG 30 pcs. Get our free Methadone coupon and be eligible to receive a discount. You can reduce your Methadone cost by up to 75% with our free Methadone discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Methadone is an opioid medication. An opioid is sometimes called a narcotic. Methadone also reduces withdrawal symptoms in people addicted to heroin or other narcotic drugs without causing the "high" associated with the drug addiction. Methadone is used as a pain reliever and as part of drug addiction detoxification and maintenance programs. Methadone is available only from a certified pharmacy. Methadone may also be used for purposes not listed in this medication guide.