Vaping under the age of 21 is illegal: How do kids get vapes? Vape Age Laws: Minimum Age to Buy Vapes in the U.S. & Online A 'historic victory,' say experts, as US raises age to buy tobacco, vaping products to 21 nationwide Fred Hutch Just a reminder, the minimum age to buy nicotine products in Indiana is 21. This means retailers are prohibited from selling cigarettes, e liquids, and e cigarettes to anyone under age 21. We How Old Do You Have to be to Vape? Minimum Legal Age? LOOKAH Where do those underage get tobacco and vapor products?