When Does Aca Open Enrollment Start For 2024. Plans sold during open enrollment start as early as january 1, 2024. The federal 2024 marketplace open enrollment period ran from november 1, 2023, to january 16, 2024, for states using the healthcare.gov platform.

The federal 2024 marketplace open enrollment period ran from november 1, 2023, to january 16, 2024, for states using the healthcare.gov platform. You can sign up as soon as you know you’re losing medicaid coverage — even outside of the open enrollment season.