Aflac Supplemental Insurance Cost. Major medical covers an average of 60% of total medical costs, and supplemental insurance helps cover the remaining 40% of any medical bill 2. On average, this supplemental insurance can cost anywhere between $8 and $25 per month, typically paid directly via your employer.
Each one offers some distinct benefits: Aflac provides supplemental insurance for individuals and groups to help pay benefits major medical doesn't cover. There are different categories of supplemental health insurance.