Illinois Health Insurance Carriers for 2026
These are the insurers selling individual and family health plans in Illinois for 2026, and where to buy them.
The Illinois individual market in 2026
Seven insurers sell individual Marketplace plans in Illinois for 2026, down from eleven in 2025 after Aetna, Health Alliance and Quartz left. Which insurers you can choose depends on your county, and for 2027 Cigna and Molina are leaving, which leaves five insurers with an average rate increase of 14.1%.
Insurers selling individual plans in Illinois
| Insurer | Sells Marketplace plans | Notes |
|---|---|---|
| Blue Cross and Blue Shield of Illinois (Health Care Service Corporation) | Yes | The largest individual-market insurer in Illinois and one of the five insurers continuing on the Marketplace for 2027. |
| Ambetter of Illinois (Celtic Insurance Company, a Centene company) | Yes | Sells Marketplace plans in 25 Illinois counties for 2026 and does not offer Bronze plans this year. |
| UnitedHealthcare | Yes | Sells individual Marketplace plans in Illinois for 2026 and is returning for 2027. |
| Oscar Health | Yes | Sells individual Marketplace plans in Illinois for 2026 and is returning for 2027. |
| MercyCare HMO | Yes | A regional HMO selling Marketplace plans in part of Illinois for 2026 and returning for 2027. |
| Cigna Healthcare of Illinois | Yes | Sells 2026 Marketplace plans but is leaving the Illinois Marketplace after December 31, 2026, so its members must choose a new plan for 2027. |
| Molina Healthcare of Illinois | Yes | Sells 2026 Marketplace plans but is leaving the Illinois Marketplace after December 31, 2026, so its members must choose a new plan for 2027. |
Not every insurer sells in every county. Your ZIP code determines which plans you can buy.
Illinois questions
Don’t see your question? Ask a licensed agent or call (888) 214-4898.
Seven: Blue Cross and Blue Shield of Illinois, Ambetter, UnitedHealthcare, Oscar, MercyCare HMO, Cigna and Molina. Not every insurer sells in every county.
Both are leaving the Illinois Marketplace. Your coverage continues through December 31, 2026, and you need to choose a new plan during open enrollment for 2027.
Yes. Aetna, along with Health Alliance and Quartz, stopped selling individual Marketplace plans in Illinois at the end of 2025.
Sources
Reviewed October 2026. Rules and prices change every year; a licensed agent will confirm what applies to you.
- Illinois Department of Insurance: 2027 Plan Year Rates for the Get Covered Illinois Marketplace (Oct. 14, 2026)
- Get Covered Illinois: 2027 plan changes
- healthinsurance.org: Illinois health insurance marketplace guide
- Ambetter of Illinois offers health insurance in Illinois in 2026
- ACASignups.net: Illinois 2026 rate changes and insurer exits
