Idaho open enrollment 2027: Dec 15 deadline.

Idaho 2027 enrollment dates

Idaho has the earliest start (October 15) and the earliest end (December 15) of the eight exchanges here, and the page read for this guide shows no January extension. So the December 15 date is both the open-enrollment deadline and the cutoff for January 1 coverage; anyone who misses it needs a qualifying life event. Your Health Idaho lists customer-service hours for the open enrollment period and says it has 140+ plans.

How to use the dates

Coverage generally starts on the first day of the month after you pick a plan, but only if you pick it by the cutoff. In Idaho, a plan chosen on or before Dec 15, 2026 starts January 1, 2027. The checker above applies only the cutoffs Your Health Idaho published; where a cutoff is not published it tells you to confirm rather than guessing.

Worked example

Someone who selects a plan on Dec 10, 2026 is before the Dec 15, 2026 cutoff, so coverage would start January 1, 2027.

Limits of this guide

It reports published dates only. It does not check your eligibility, premiums or tax credits, and exchanges can change dates. See the ACA subsidy cliff calculator for income effects and the health plan comparison calculator to compare plan costs.

Other state exchanges compared

n/s = not stated on the page read. HealthCare.gov, used by states without their own exchange, shows "Enroll by Dec 15 for Jan 1 coverage".

Frequently asked questions

Is Idaho open enrollment shorter than other states?

Yes. Your Health Idaho lists Open Enrollment as October 15 to December 15, which is shorter than the windows ending January 15 or January 31 in Colorado, Illinois, Kentucky, New Jersey, Pennsylvania, Washington and California.

Is Your Health Idaho the same as HealthCare.gov?

No. Idaho runs its own state-based exchange, so its dates can differ from HealthCare.gov, which currently shows "Enroll by Dec 15 for Jan 1 coverage" (read 2026-11-01).

What if I miss the Idaho deadline?

After Dec 15, 2026 you generally need a qualifying life event and a special enrollment period to buy a marketplace plan. Medicaid is handled separately and may be available at other times if you qualify.

Do the dates on this page change?

Exchanges can extend or correct deadlines. This page reflects what Your Health Idaho published as of November 1, 2026; check the exchange link before you rely on a date.

Sources

• Your Health Idaho home page — Open Enrollment Oct. 15 - Dec. 15; "Open Enrollment for 2027 ... begins October 15" (read 2026-11-01)
• HealthCare.gov — "Enroll by Dec 15 for Jan 1 coverage" (read 2026-11-01)