Open Enrollment 2024 Start Date 2024. Obamacare's open enrollment period for 2024 health plans started november 1, 2023, and ends january 15, 2024, in most states. The 2024 open enrollment season ended on october 11, 2024.
This is when you can buy health insurance from the affordable care act (aca) marketplace or your state’s exchange. When is open enrollment in 2024?