How Much Does Hyperbaric Oxygen Therapy Cost?

A single hyperbaric session at a wellness or recovery clinic usually runs somewhere between $99 and $250 depending on how long you're in the chamber, and you pay for it yourself.

That number confuses people, because if you search around for a few minutes you'll also find articles quoting $20,000 and up. Both are accurate. They're describing two completely different things that happen to use the same equipment, and once you see the split, the pricing stops being mysterious.

Two Markets, One Machine

Hyperbaric oxygen therapy means breathing oxygen at greater-than-normal atmospheric pressure inside a sealed chamber. The physics work the same way wherever you do it, but the billing runs on two entirely separate tracks depending on why you're in the chamber.

On one side you have hospital-based hyperbaric medicine, which treats things like diabetic foot ulcers, radiation injury to bone and soft tissue, and carbon monoxide poisoning. Those patients are referred by a physician, treated on a daily schedule for weeks, and their insurance is billed per session. On the other side you have recovery and wellness clinics, where people book an hour in a chamber the way they'd book a sauna or a massage, and pay at the front desk.

Searching "how much does hyperbaric oxygen therapy cost" pulls answers from both columns at once, which is why the results look like they disagree. The hospital version is a course of dozens of physician-supervised sessions billed to insurance, which is where the five-figure numbers come from. Everything below is about the recovery and wellness version, the one you pay for yourself.

What Drives the Price of a Wellness Session

Cash-pay hyperbaric pricing varies more than most services, and the variation is usually explained by four things.

Session length. Most clinics price 30, 60, and 90-minute options. Longer sessions cost more, and per-minute they usually cost less.

Chamber type and pressure. A hard-shell chamber that reaches 2.0 ATA is a different piece of equipment from an inflatable soft-shell unit, which typically tops out around 1.3 ATA. Hard-shell chambers cost more to buy, install, and maintain, and that shows up in session pricing. We wrote a full comparison of hard-shell versus soft-shell hyperbaric chambers if you want the detail.

Staffing. Someone has to run the chamber, monitor pressurization, and be there the whole time. A clinic with trained staff on the chamber charges differently than a self-serve setup.

Packages and memberships. Almost nobody does one hyperbaric session and stops. Clinics know that, so the single-session price is often the highest per-session rate available.

If you see a price well under the local range, ask what pressure the chamber reaches and who's supervising during the session. A session that costs half what everyone else charges is usually running in a soft-shell chamber at lower pressure, or without staff present, and both of those are worth knowing before you book.

HBOT Pricing at Defiant in Lisle

We publish our prices on the hyperbaric oxygen therapy page, and here they are in one place.

New clients get a discounted first session at either length, $49 for 30 minutes or $99 for 60. Those sessions run in an OxyHealth 64D hard-shell multiplace chamber that seats two people and reaches up to 2.0 ATA, so you can bring someone with you. The 60-minute session is the one most people settle into.

Hyperbaric at Defiant is self-pay. We don't bill insurance for it, and we don't currently accept HSA or FSA cards for it either.

When a Membership Costs Less Than a Session

Defiant membership at the Premier tier is $150 a month, and one 60-minute hyperbaric session is included each month as your Premium Recovery credit. A 60-minute session on its own is $185.

So if hyperbaric is already part of your monthly routine, the membership costs less than the single thing you were going to buy anyway, and it comes with three additional Core Wellness credits you can spend on cryotherapy, a vitamin shot, a Styku scan, a sauna session, or a few other options. The Elite tier at $250 a month includes two Premium Recovery credits.

Read the terms before you sign up. Memberships require a three-month commitment and credits expire after 30 days, so the value only holds if you'll actually come in. Paying twelve months up front gets you two free.

HSA, FSA, and the Paperwork Question

The answer splits along the same line the pricing does. For an FDA-cleared medical indication, prescribed by your physician and delivered at a facility that bills insurance, hyperbaric oxygen therapy is generally treated as a medical expense, and your plan decides the rest from there.

For a recovery or wellness session with no diagnosis behind it, you're paying out of pocket. At Defiant specifically, hyperbaric sessions are self-pay and we don't take HSA or FSA cards for them. If your account administrator handles things differently, ask them before you book rather than after you've paid.

What to Ask Before You Hand Over a Card

Five questions that will tell you most of what you need to know about any hyperbaric clinic's pricing:

1. What pressure does your chamber actually reach, in ATA?
2. Is it hard-shell or soft-shell?
3. Is staff present and monitoring for the whole session?
4. What does the price drop to with a package or membership, and do credits expire?
5. Do you make any claims about treating specific diseases? If yes, be skeptical, and check the answer against the FDA's cleared list.

The FDA has cleared hyperbaric chambers for a specific list of medical conditions, and it has said plainly that they are not proven to treat cancer, Lyme disease, autism, or Alzheimer's disease, warning consumers away from clinics that claim otherwise.¹ Recovery and general wellness are not cleared indications. If a low price comes attached to a big disease-treatment promise, be skeptical of the promise, not just the price.

Frequently Asked Questions

Last updated September 16, 2026.