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Tobacco and Vaping Laws in Montana

How Montana law treats smoking and vaping age, from the state code and official state agencies.

Short answer: Montana's own statutes set 18 as the minimum age to buy tobacco, alternative nicotine and vapor products: sellers may not sell or give them to anyone under 18 and must check photo ID if age is in doubt. MCA §§ 16-11-305, 45-5-637

Smoking and vaping ageMontana's own statutes set 18 as the minimum age to buy tobacco, alternative nicotine and vapor products: sellers may not sell or give them to anyone under 18 and must check photo ID if age is in doubt. A person under 18 who possesses or uses these products faces a $50 fine for a first offense, $75 to $100 for a second, and $100 to $250 after that, or may be handled in youth court as a youth in need of intervention, and may be required to do community service or attend a cessation program. Attempting to buy them under 18 carries a $50 fine, then up to $100. (Federal law separately sets a nationwide minimum sale age of 21.)
Read in the Montana Code Annotated 2025 (mca.legmt.gov). Sales: https://mca.legmt.gov/bills/mca/title_0160/chapter_0110/part_0030/section_0050/0160-0110-0030-0050.html.
Source: MCA §§ 16-11-305, 45-5-637

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FAQ

What is the smoking and vaping age in Montana?
Montana's own statutes set 18 as the minimum age to buy tobacco, alternative nicotine and vapor products: sellers may not sell or give them to anyone under 18 and must check photo ID if age is in doubt. A person under 18 who possesses or uses these products faces a $50 fine for a first offense, $75 to $100 for a second, and $100 to $250 after that, or may be handled in youth court as a youth in need of intervention, and may be required to do community service or attend a cessation program. Attempting to buy them under 18 carries a $50 fine, then up to $100. (Federal law separately sets a nationwide minimum sale age of 21.)

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.