Cheap Auto Insurance in Idaho — Compare & Save Up to 40%

Cheapest Auto Insurance Companies in Idaho (2026)

We compared full coverage rates from the top auto insurance companies in Idaho. Here are the cheapest options based on a 35-year-old driver with good credit and a clean record:

Rates are based on 2026 data for a 35-year-old driver with good credit, a clean driving record, and full coverage (100/300/50 with $1,000 deductibles). Your rate will vary.

What You Should Know About Idaho Auto Insurance

• Idaho requires minimum liability coverage of 25/50/15.
• The average full-coverage premium in Idaho is $1,380/year.
• Idaho uses a at-fault/tort insurance system.
• Approximately 7% of Idaho drivers are uninsured.
• Idaho drivers face weather-related risks including snow, ice, wildlife crossings, wildfire smoke, mountain roads.
• Liability-only coverage in Idaho averages $380/year.

For complete Idaho auto insurance laws and requirements, visit the Idaho Department of Insurance. For vehicle registration and licensing, visit the Idaho Transportation Department.

Full Coverage vs. Liability in Idaho

Full coverage in Idaho averages $115/month, while liability-only coverage averages $32/month. Full coverage includes comprehensive and collision protection that covers damage to your own vehicle. If you have a car loan or lease, your lender likely requires full coverage.

While liability-only saves money, it leaves you paying out of pocket for damage to your own car in an accident, theft, or weather event. With 7% of Idaho drivers uninsured, we strongly recommend adding uninsured motorist coverage to any policy.

Auto Insurance Rates by City in Idaho

Where you live in Idaho significantly affects your premium. Click your city for local rate comparisons:

Sources & Methodology

Our rate analysis is based on publicly available rate filings and industry data. We regularly update our research to ensure accuracy.

1. Rate data based on 2026 carrier rate filings analyzed by state insurance departments and third-party data providers including Quadrant Information Services.
2. Idaho Department of Insurance — official state insurance regulator for Idaho.
3. National Association of Insurance Commissioners (NAIC) — national insurance data and consumer resources.
4. Idaho Transportation Department — Idaho vehicle registration and licensing requirements.
5. Insurance Information Institute (III) — independent insurance education and research.
6. National Highway Traffic Safety Administration (NHTSA) — crash and safety statistics.
7. NHTSA FARS Database — fatal crash and DUI arrest data by state and locality.