Flexible Spending Account (FSA)

What Is a Flexible Spending Account (FSA)?

A Flexible Spending Account is an employer-sponsored account that lets employees set aside pre-tax money for qualified medical or dependent care expenses. Unlike some benefits, an FSA is available to nearly any employee whose employer offers one, regardless of what health plan they're enrolled in.

Contributions come out of payroll before taxes, using the same pre-tax mechanism that governs 401(k) deferrals and health insurance premiums.

How Does an FSA Work?

Employees elect an annual contribution amount during open enrollment, and that amount is deducted from paychecks in equal installments. For a healthcare FSA, the full elected amount is typically available on day one of the plan year, even before all the payroll deductions have been made.

This pre-funding is one of the most important distinctions to cover in pretax insurance education, since employees often assume the balance builds gradually like a savings account rather than being available upfront.

What Are the 2026 FSA Contribution Limits?

The IRS adjusts FSA limits most years, and 2026 brought a larger jump to the dependent care limit specifically.

According to SHRM, the dependent care FSA jump to $7,500 stems from the One Big Beautiful Bill Act and took effect January 1, 2026, a significantly larger increase than the routine inflation adjustments FSAs typically see.

How Is an FSA Different From an HSA?

The two accounts are frequently confused, but eligibility and fund rollover rules set them apart. Forbes notes that virtually any employee can use an FSA, while an HSA requires enrollment in a high-deductible health plan.

The bigger practical difference is what happens to unspent money. Indeed explains that FSA funds are restricted to their intended purpose and, without an employer-offered grace period or carryover, are forfeited at year-end.

What Happens to Unused FSA Funds?

FSAs operate under a use-it-or-lose-it rule. Employers can offer one of two relief options, but not both: a grace period of up to 2.5 extra months to spend remaining funds, or a limited carryover into the next plan year.

Dependent care FSAs are stricter still, since funds are typically only available as they're contributed rather than pre-funded like a healthcare FSA. Employers documenting these rules alongside dependent care benefits should be explicit about the difference so employees don't overcontribute.

Why Should Employers Offer an FSA?

For employers, FSA contributions reduce payroll tax exposure since elected amounts aren't subject to FICA. Getting the W-2 reporting for dependent care FSA contributions correct is essential, since amounts above the exclusion limit become taxable wages.

Because healthcare costs keep climbing, an FSA is one of the more accessible ways employers can soften the impact. The World Economic Forum has noted that health spending now consumes roughly 10% of global GDP, underscoring why pre-tax savings tools matter to household budgets.

Helping employees choose correctly between an FSA, an HSA, or both during open enrollment is exactly the kind of decision AI benefits enrollment software is designed to support, since the right answer depends heavily on each employee's expected spending pattern.

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Frequently Asked Questions

Q: Can I have both an FSA and an HSA?

A: Generally no, unless the FSA is a limited-purpose FSA restricted to dental and vision expenses, since a general-purpose FSA disqualifies HSA eligibility.

Q: What is the 2026 healthcare FSA contribution limit?

A: The 2026 limit is $3,400, up from $3,300 in 2025, with a maximum carryover of $680 for plans that allow it.

Q: Do unused FSA funds roll over automatically?

A: No. Rollover only applies if the employer specifically offers a carryover provision, and it's capped at the IRS maximum for that year.

Q: What is the 2026 dependent care FSA limit?

A: The dependent care FSA limit rose to $7,500 per household for 2026, a substantial increase driven by recent legislation rather than a routine inflation adjustment.

Q: Can employers contribute to an employee's FSA?

A: Yes, though it's uncommon and not required. Employer contributions count toward the same annual IRS limit as employee elections.