Flexible Spending Accounts and Health Savings Accounts: What Families Need to Know

What FSAs and HSAs actually are

Both a Flexible Spending Account (FSA) and a Health Savings Account (HSA) are tax-advantaged accounts that let you pay for eligible medical expenses with pre-tax dollars. The result is that every dollar you contribute reduces your taxable income, which lowers what you owe at tax time. For a family spending several hundred to several thousand dollars a year on healthcare, that difference is real.

The accounts are not interchangeable. An FSA is offered through an employer and can be used with most types of health insurance plans. An HSA is available only to people enrolled in a qualifying High-Deductible Health Plan (HDHP). Understanding which account your situation allows is the starting point for any enrollment decision.

For a broader look at how healthcare coverage works before you choose either account, see this plain-language overview of health insurance fundamentals.

How each account works

FSA: Your employer sets up the account. You elect an annual contribution amount during open enrollment, and that full amount is available to you on day one of the plan year, even before you have contributed it all through payroll deductions. Funds are use-it-or-lose-it by default, though employers may allow a grace period of up to 2.5 months or a limited rollover (the IRS sets the annual rollover cap, which was $640 for plan years beginning in 2024). Employers may also contribute to your FSA.

HSA: You own this account, not your employer. Funds roll over every year with no cap and stay with you if you change jobs. Contributions can come from you, your employer, or both. Once your balance reaches a threshold set by the account provider, you can invest the funds in mutual funds or other options, which allows the balance to grow over time. Withdrawals for non-medical expenses before age 65 are subject to income tax plus a 20 percent penalty; after 65, only income tax applies.

Both accounts cover a wide range of expenses: doctor visits, prescription drugs, dental care, vision care, and many over-the-counter items. For a detailed comparison of how each structure handles family expenses in practice, see FSA vs. HSA: how each account handles your family's healthcare dollars.

Contribution limits and eligibility

The IRS sets annual contribution limits for both account types and adjusts them periodically for inflation. For 2024, the FSA contribution limit is $3,200 per employee (your spouse can contribute up to the same amount through their own employer's FSA). The HSA limits for 2024 are $4,150 for self-only coverage and $8,300 for family coverage, with an additional $1,000 catch-up contribution allowed for account holders age 55 or older.

HSA eligibility requires enrollment in an HDHP. For 2024, an HDHP must have a minimum annual deductible of $1,600 for self-only coverage or $3,200 for family coverage. You cannot contribute to an HSA if you are enrolled in Medicare, are claimed as a dependent on someone else's tax return, or have non-HDHP health coverage that pays before the deductible threshold.

Pairing either account with the right preventive care strategy helps stretch the benefit further. Many preventive services are covered at no cost under federal law regardless of your deductible, which you can review at preventive care most health insurance plans must cover at no cost.

Practical considerations for families

Families with predictable annual healthcare costs, such as recurring prescriptions or orthodontics, often find an FSA useful because the full election amount is available immediately. The trade-off is the use-it-or-lose-it rule: over-contributing means forfeiting money at year-end.

Families enrolled in an HDHP who are generally healthy and can afford higher upfront costs may benefit more from an HSA. The rollover feature and investment potential make it a long-term tool, not just a spending account. Some financial planners describe it as a third tax-advantaged account alongside a 401(k) and an IRA, because of how it can accumulate for retirement healthcare costs.

A Dependent Care FSA is a separate account type that covers childcare expenses for children under 13, not medical costs. It has its own contribution limits and rules. Do not confuse it with a healthcare FSA.

Reviewing both accounts should be part of your broader annual financial checkup. The annual family finance review checklist covers benefit elections alongside insurance, savings goals, and tax records in one place.

This article is for general informational purposes only and is not personalized financial, tax, or medical advice. Contribution limits and eligibility rules are subject to change by the IRS. Consult a qualified tax professional or licensed financial adviser before making enrollment or contribution decisions based on your specific circumstances.