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Is Private Health Insurance Cheaper Than ACA in Arizona?
Short answer: for a healthy person who doesn't qualify for a subsidy, yes, usually by a wide margin. For everyone else, usually no. Here's the math behind that.
When private wins in Arizona
Take a healthy 42-year-old in Phoenix earning $95,000. On HealthCare.gov with no subsidy, a Silver plan from Blue Cross Blue Shield of Arizona, Ambetter, Oscar, Banner|Aetna, and UnitedHealthcare is roughly $650–$800 a month in 2026. A private PPO on the Cigna, Aetna and PHCS PPO network for the same person is roughly $380–$480. That's $3,000–$4,500 a year, with a broader network.
When ACA wins in Arizona
Same person earning $45,000: the premium tax credit could bring that Silver plan under $200 a month. No private plan competes with that. Same person with Type 1 diabetes or a recent cancer diagnosis: private plans may decline or exclude; the marketplace accepts them at the same price as anyone else. Medicaid is expanded (AHCCCS) in Arizona.
What "cheaper" has to include
Compare out-of-pocket maximums, not just premiums. Many private PPOs have individual out-of-pocket caps around $6,000–$9,000, similar to marketplace Silver plans. Check that your doctors are in the PPO network. And remember private plans are month to month — if your income drops into subsidy range during the year, you can move to the marketplace at the next open enrollment or life event.
The Arizona factor
Arizona's marketplace is dominated by HMO plans tied to one hospital system, so people who want to keep doctors across Phoenix and Tucson — or who travel — are the ones who end up on a PPO.
We run both quotes for every client — it's the only honest way to answer the question. Start here.