EnrollMath
HSA · Updated

HSA vs FSA: what is the difference?

An HSA requires an HSA-eligible high-deductible plan, rolls over forever, belongs to you and can be invested. A health FSA works with any employer plan, but most of the money must be used within the plan year (limited carryover or grace period) and stays with the employer.

HSAHealth FSA
Needs a high-deductible planYesNo
2027 limit$4,500 / $9,000Set yearly by IRS per employee
Unused moneyRolls over foreverMostly forfeited (limited carryover or grace period)
Can investYesNo
Keep when you leave jobYesNo

You generally cannot have both a regular health FSA and an HSA in the same year; a limited-purpose (dental/vision) FSA is allowed.

General education, not insurance, tax or legal advice. Figures from IRS and HHS publications; confirm with your plan documents.

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