Choosing between an HDHP and a PPO comes down to break-even math: add your HDHP premium savings to any employer HSA contribution, and if that beats the deductible gap, the HDHP generally wins — even in a bad health year. Your employer just dropped the open-enrollment packet and you have two weeks to decide; the HDHP's lower premium alone doesn't tell you which plan wins for your situation. The right choice depends on your circumstances, and the plan terms and IRS figures below can change year to year.
What's the core trade-off?
HDHP (High-Deductible Health Plan) generally charges you less per paycheck but has you pay more out-of-pocket before insurance kicks in. The upside many people point to: an HDHP can be paired with a Health Savings Account (HSA), which the IRS treats as letting you contribute pre-tax dollars that roll over year after year and come out tax-free for qualified medical expenses — including in retirement. Whether you're HSA-eligible depends on your specific plan meeting the IRS's HDHP definition.
PPO (Preferred Provider Organization) typically charges more per paycheck but has a lower deductible and lets you see specialists without a referral. If you go to the doctor regularly or manage a chronic condition, many people find that predictable costs beat the uncertainty of a high deductible.
How do you run the break-even math?
The break-even point is where the total cost of both plans is equal:
PPO premium savings vs HDHP premium savings + HSA employer contribution
= HDHP deductible - PPO deductible
In plain terms: many people add up what they'd save in premiums on the HDHP (over the full year) plus any employer HSA contribution. If that number is larger than the difference in deductibles, the HDHP generally comes out ahead — even in a bad health year. Your actual numbers depend on your plan's specific premiums, deductibles, and employer contribution.
Example:
- HDHP monthly premium: $120/mo — PPO monthly premium: $280/mo
- Premium savings on HDHP: $160/mo × 12 = $1,920/year
- Employer HSA contribution: $600/year
- Total HDHP advantage: $2,520
- HDHP deductible: $3,000 — PPO deductible: $800
- Deductible gap: $2,200
In this example, the HDHP wins by $320 — even if you hit the full deductible difference.
When does the HDHP make sense?
The HDHP tends to make sense for people who:
- Are generally healthy and rarely exceed a low deductible.
- Want to build an HSA — the IRS generally treats it as triple-tax-advantaged (deductions going in, tax-free growth, tax-free withdrawals for qualified medical expenses).
- Have an employer that contributes to the HSA.
- Can afford to cover the deductible out of pocket in a bad year.
When does the PPO make sense?
The PPO tends to make sense for people who:
- Have a chronic condition with predictable, recurring costs.
- Are managing a pregnancy or planning one.
- Want specialist access without referrals.
- Can't easily absorb a $3,000–$5,000 deductible in an emergency.
Which side you fall on depends on your own health usage and cash cushion, and your plan's specifics may differ from these generalizations.
What should you ask HR or a benefits broker?
- What is the employer's HSA contribution this year?
- Is the HSA administered through a brokerage (so it can be invested) or just a spending account?
- What are the in-network vs out-of-network rules for the PPO?
- Is last year's total claims data available, to estimate actual spend?
External resource: the IRS publishes updated HDHP and HSA limits each year, and because these thresholds can change, many people confirm the current figures at the source — IRS Publication 969 (HSA, HRA, FSA, and MSA rules) (affiliate link — OffbookHR may earn a commission if you buy through this link. It does not affect ranking.).