Find Affordable Coverage in Montana
Licensed agents compare all Montana Marketplace plans at no cost to you. See your subsidy in 2 minutes.
Compare Montana ACA Plans →* Referral compensation may apply. Cost to you: $0.
Montana ACA Marketplace Overview
In 2026, approximately 55,000 Montana residents are enrolled in ACA Marketplace coverage. Montana uses the federal exchange, Healthcare.gov for health insurance enrollment.
Montana has expanded Medicaid under the ACA, meaning adults earning up to 138% FPL qualify for free or near-free coverage through Medicaid.
How Much Does ACA Coverage Cost in Montana?
The benchmark Silver plan (second-lowest-cost Silver plan) in Montana costs approximately $518/month before subsidies in 2026. However, most Montana residents who qualify for premium tax credits pay significantly less.
- $0/month premium: Possible for Montana households earning up to 150% of the Federal Poverty Level
- Low premiums: Households earning up to 400% FPL qualify for substantial subsidies
- Above 400% FPL: Still eligible if the benchmark plan exceeds 8.5% of household income
Use our ACA Subsidy Calculator to estimate your specific monthly costs based on your Montana household income.
Top ACA Health Insurance Companies in Montana
The following carriers offer ACA Marketplace plans in Montana for 2026:
- PacificSource
- BlueCross Blue Shield MT
Plan availability varies by county in Montana. Use Healthcare.gov to see exact plans available in your ZIP code.
ACA Plan Tiers Available in Montana
- Bronze: Lowest premiums, highest deductibles. Best for healthy Montana residents who rarely need care.
- Silver: Mid-range. Strongly recommended for Montana households earning 100–250% FPL — Silver plans unlock Cost-Sharing Reductions that significantly lower deductibles and copays.
- Gold: Higher premiums, lower out-of-pocket. Best for Montana residents who use healthcare frequently.
- Platinum: Highest premium, lowest cost per service. Available in most Montana counties.
When to Enroll in Montana
- Open Enrollment: November 1 – January 15 on Healthcare.gov
- January 1 coverage: Enroll by December 15
- February 1 coverage: Enroll by January 15
- Special Enrollment: Available year-round if you lose job-based coverage, move, get married, or have a baby
Montana Insurance Resources
- Healthcare.gov — Official Montana enrollment portal
- Montana Department of Insurance — Plan complaints and consumer protection
- Complete ACA Guide — Full explanation of ACA Marketplace rules
- Subsidy Calculator — Estimate your 2026 premium tax credit