Knee Replacement Cost in Hawaii (2026): Average Prices & What You'll Pay

What does a knee replacement cost in Hawaii?

For a commercially insured patient, a knee replacement in Hawaii typically runs $4,554–$14,166 once facility and physician fees are combined. The median reported facility price across 7 hospitals is $4,243. The figures draw on CMS fee schedules and hospital price transparency data published under federal law.

Hawaii's island geography creates isolated health economies — each island is effectively its own market, and most specialized care on neighbor islands requires inter-island travel. Kaiser Permanente Hawaii and Hawaii Pacific Health cover most of the Oahu market. Transport and logistics costs embedded in hospital operating expenses push prices well above the mainland average for comparable services.

Knee replacement is a high-cost elective procedure where facility selection has an outsized impact on total cost. Hospital outpatient and ambulatory surgery center rates for knee replacement have converged on outcomes but diverged further on price — ASC rates are typically 30–50% below hospital rates for the same implant and surgeon. Medicare Advantage plans increasingly direct patients to designated bundled-payment facilities where your out-of-pocket liability is capped.

The same knee replacement that costs $609 at Kahuku Medical Center in Kahuku reaches $47,452 at Queens Medical Center in Honolulu — a 77.9× gap across the 7 Hawaii hospitals reporting prices. The median Hawaii price is $4,243. Most facilities fall between $2,065 and $7,714. Self-pay patients are quoted more than insurers actually pay: the median cash price is $5,978 versus a median negotiated rate of $268 — about 22.3× higher, so asking for the cash or insurer-negotiated rate is often the single biggest lever on your bill.

Where knee replacement costs vary in Hawaii

Pins show hospitals with price-transparency data (colored by vs. state average) and nearby ambulatory surgery centers, imaging centers, and other facilities (colored by type). Click any pin for facility name and estimated cost range.

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The facility you choose matters more than almost anything else — the same procedure, same quality, same state can cost 5× more at one hospital versus the one down the road.

→ Compare all procedure costs   → Knee Replacement costs nationwide

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Lower-cost options in Hawaii start around $2,065 or below. Most hospitals cluster between $2,065 and $7,714. A smaller group reports prices above that — often academic medical centers or high-cost markets.

If you're comparing specific hospitals, the lowest self-pay rates reported in this dataset include: Kahuku Medical Center in Kahuku (cash price from $4,243); Queens Medical Center in Honolulu (cash price from $7,714); Queens Medical Center - West Oahu in Ewa Beach (cash price from $7,714). These are declared cash prices — contact each facility for a formal quote before scheduling.

Hawaii Knee Replacement prices by facility

All prices below come from hospital chargemasters — the official price lists each hospital must publish under federal law. Gross charge is the undiscounted list price; cash price is the self-pay rate; negotiated range covers the spread across insurance contracts.

Source: CMS hospital price transparency machine-readable files. vs Median = savings or premium relative to the state median price. Gross Charge = undiscounted list price for reference.

Received a bill? Check it for errors → Estimate YOUR cost before you go →

Compare other procedures in Hawaii:

• Appendectomy Cost in Hawaii
• Cataract Surgery Cost in Hawaii

Where you can save the most on knee replacement in Hawaii

These facilities have the lowest declared prices relative to the state median — they represent the best opportunities to reduce your out-of-pocket cost for this procedure.

Most expensive knee replacement providers in Hawaii

These facilities report the highest prices for this procedure. Academic medical centers and specialty hospitals often top this list — their gross charges rarely reflect what anyone actually pays, but understanding the spread helps you negotiate.

Why prices vary this much

Setting drives much of the gap in Hawaii: the median outpatient price is $5,978 versus $2,065 inpatient, so where a procedure is performed often matters more than which hospital you choose. Of the Hawaii facilities reporting prices, 3 fall in a low-cost tier (up to $2,065) while 4 sit in a high-cost tier ($7,714 and up) — a lower-priced option almost always exists within the same state.

The spread comes from how each hospital sets its chargemaster (the undiscounted list price), what cash discounts it applies, and what rates it negotiates with each insurer. Facility classification matters too — a hospital-owned outpatient center adds a facility fee that a freestanding clinic does not. Understanding these mechanics is the first step to paying less.

Learn more:
→ Allowed amount vs negotiated rate — what your EOB is really saying
→ How to read your medical bill
→ Why hospital prices are so hard to find — and what to do about it

How insurance changes what you actually pay

Hospital list prices are only part of the picture. What you pay out of pocket depends on your deductible, your plan's out-of-pocket maximum, whether the facility is in-network, and whether your plan classifies the visit as outpatient or inpatient. A lower gross charge doesn't guarantee a lower bill if the facility is out-of-network or adds facility fees your plan doesn't cover.

Understand your cost before you go:
→ Deductible vs out-of-pocket max
→ EOB vs medical bill — complete guide
→ How to stop medical bill problems before they start (in-network vs out-of-network)

Knee Replacement Costs by Metro Area in Hawaii

Prices vary across Hawaii metro areas based on local hospital competition, wage adjustments, and facility mix. Explore detailed facility price data for each metro area:

• Knee Replacement Cost in Honolulu, HI

Compare knee replacement costs in nearby states

• New York
• California
• Texas
• Florida

Frequently asked questions: knee replacement costs in Hawaii

How much does a knee replacement cost in Hawaii?

Across 7 Hawaii hospitals that publish prices, a knee replacement ranges from $609 to $47,452, with a median of $4,243. Most facilities fall between $2,065 and $7,714. What you pay depends on the facility, your insurance, and whether you have met your deductible.

Where is the cheapest place to get a knee replacement in Hawaii?

Based on declared prices, the lowest-cost facility in our Hawaii data is Hawaii Pacific Health at about $2,065. Freestanding ambulatory surgery and imaging centers are often cheaper still and may not appear in hospital price data — ask your doctor whether one is an option.

Why is a knee replacement so much cheaper at some Hawaii hospitals?

Prices vary up to 77.9× because each hospital sets its own list price, cash discount, and insurer-negotiated rates. In Hawaii, the median cash (self-pay) price is $5,978 versus a median negotiated rate of $268 — about 22.3× higher. Asking for the cash price or your insurer's negotiated rate is often the single biggest lever on what you pay.

How much will I actually pay out of pocket for a knee replacement in Hawaii?

Your out-of-pocket cost depends on your deductible, coinsurance, out-of-pocket maximum, and whether the facility is in-network — not just the sticker price. If you have not met your deductible, you will typically pay the negotiated rate in full until you do. Use the CostKits cost forecaster to estimate your specific out-of-pocket amount before you go.

Explore all knee replacement cost data

→ See knee replacement costs across all states

CostKits compiles hospital price transparency data to help families make informed decisions. If you've received a bill for this procedure:
→ Analyze your medical bill for errors
→ How to negotiate your medical bills
→ Track and manage your healthcare costs (free account)