Open Enrollment 2024 Start Date Hsa. If you switch from a healthcare flexible spending account (fsa) to a health savings account (hsa) during open enrollment, you must have a $0 balance in your fsa as of december 31,. This is also the time elect your employee contribution to the health savings account (hsa) if you want deductions to start or continue in 2024.

Here are some common open enrollment periods. The 2024 open season is from november 11, 2024 through december 9, 2024.