When Is Health Insurance Open Enrollment 2024. Published on october 24, 2023. An open enrollment period is a window of time that happens once a year — typically in the fall — when you can sign up for health insurance, adjust your current plan or cancel your plan.

Published on october 24, 2023. The 2024 open enrollment period (oep) begins november 1, 2023, and ends usually january 15, 2024, in most states.