Open Enrollment 2024 Marketplace Cost. Published on november 9, 2023. Obamacare's open enrollment period for 2024 health plans started november 1, 2023, and ends january 15, 2024, in most states.

Update your information and enroll in a plan for coverage starting february 1. Answer a few quick questions to preview plans and prices before enrolling or renewing coverage for 2024 — you don’t even have to log in!