cost of aromasin
1 The average cost of Aromasin tablets (25 mg) is about $18 to $22 per tab or around $1,700 to $2,000 per pack containing 90 tabs. According to some members on BreastCancer.org, one user received the following quote from Costco: $465 for 30 days and $1,368 for 90 days. 2  Aromasin is a type of hormone therapy medication classified as an aromatase inhibitor and used to treat breast cancer.