Flexible Spending Account (FSA)

A Flexible Spending Account (FSA) is an employer-sponsored benefit that lets you set aside pre-tax dollars to pay for eligible health care expenses. Unlike an HSA, you don’t need a high-deductible health plan to use one — but FSAs are only available through employer benefit packages.

Key FSA rules:

  • Use-it-or-lose-it: FSA funds generally must be used within the plan year. Employers may offer a grace period of up to 2.5 months or a rollover of up to $640 (2026 IRS limit) — but not both, and not all employers offer either.
  • Contribution limit: $3,300 per year for 2026 (employee contributions)
  • Front-loaded: Your full annual election is available on day one of the plan year, even before you’ve contributed it through payroll
  • Not portable: You lose unused funds if you leave your employer mid-year (with limited exceptions)

FSA funds can be used for deductibles, copays, coinsurance, prescriptions, dental and vision care, and other IRS-qualified medical expenses. A dependent care FSA is a separate account used for childcare expenses.

Frequently Asked Questions

What’s the difference between an FSA and an HSA?

The main differences are eligibility and portability. An HSA requires a high-deductible health plan and is yours to keep indefinitely. An FSA is offered through an employer, doesn’t require an HDHP, and funds generally expire at year-end if unused. You cannot contribute to both an FSA and an HSA in the same year unless you have a limited-purpose FSA (for dental and vision only).

What happens to my FSA if I leave my job?

Unused FSA funds are generally forfeited when you leave your employer. You may be able to elect COBRA continuation for your FSA, which lets you access the full annual amount you elected through the end of the plan year by continuing to make monthly contributions. Whether COBRA applies to FSAs depends on your employer’s plan design.

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