When Does Open Enrollment Start And End 2024. Affordable care act’s open enrollment begins on november 1 and runs until january 15, 2025*. In most states, the open enrollment period for 2024 health insurance starts november 1st, 2024 and ends january 15th, 2025.

That change is due to the inflation reduction act, a federal. Obamacare’s open enrollment period for 2024 health plans started november 1, 2023, and ends january 15, 2024, in most states.