Your employer just dropped the open-enrollment packet and you have two weeks to decide. HDHP and PPO plans often sit next to each other with the HDHP showing a lower premium — but that number alone doesn't tell you which plan wins for your situation.
The core trade-off
HDHP (High-Deductible Health Plan) charges you less per paycheck but requires you to pay more out-of-pocket before insurance kicks in. The upside: you can pair it with a Health Savings Account (HSA), which lets you invest pre-tax dollars that roll over year after year and can be used tax-free for qualified medical expenses — including in retirement.
PPO (Preferred Provider Organization) 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, predictable costs often beat the uncertainty of a high deductible.
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: add up what you'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 wins — even in a bad health year.
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 HDHP wins
- You're generally healthy and rarely exceed a low deductible.
- You want to build an HSA — it's a triple-tax-advantaged account (deductions going in, tax-free growth, tax-free withdrawals for medical expenses).
- Your employer contributes to the HSA.
- You can afford to cover the deductible out of pocket in a bad year.
When PPO wins
- You have a chronic condition with predictable, recurring costs.
- You're managing a pregnancy or planning one.
- You want specialist access without referrals.
- You can't absorb a $3,000–$5,000 deductible in an emergency.
What to ask HR or your benefits broker
- What is the employer's HSA contribution this year?
- Is the HSA administered through a brokerage (so I can invest) or just a spending account?
- What are the in-network vs out-of-network rules for the PPO?
- Can I see last year's total claims data to estimate my actual spend?
External resource: the IRS publishes updated HDHP and HSA limits each year — 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.).
This page reflects general information and is not tax or insurance advice. Consult a licensed benefits advisor or your HR team for guidance specific to your plan.