30mg · 30-count · Acid Reflux · Brand: Prevacid · Generic available
| Pharmacy | Cash Price | Per-30-Day Equiv. |
|---|---|---|
| Costco Cheapest | $4.60 | $4.60 |
| Walmart | $5.00 | $5.00 |
| Kroger | $6.00 | $6.00 |
| Target | $6.25 | $6.25 |
| Rite Aid | $14.50 | $14.50 |
| CVS | $14.99 | $14.99 |
| Walgreens | $15.50 | $15.50 |
Lansoprazole is prescribed to reduce stomach acid production and treat acid reflux, GERD, and ulcers. It is sold under the brand name Prevacid and is available as the generic Lansoprazole. A standard supply is 30 30mg.
Pharmacy pricing is not regulated in the United States, so retailers set their own cash prices. Large retailers like Walmart and Costco typically offer lower prices on generics because they use prescriptions as a traffic driver. Chain pharmacies like CVS and Walgreens tend to charge significantly more.
Proton pump inhibitors (PPIs) and H2 blockers are widely used. Generic versions are available and usually cost under $10/month at cash prices.
Lansoprazole belongs to a class of medications called proton pump inhibitors (PPIs). It's the same class as esomeprazole. It reduces stomach acid production and is typically prescribed for acid reflux (GERD) or ulcer-related conditions, generally taken once daily before a meal for a defined treatment period. Long-term PPI use has been the subject of ongoing research into potential associations with certain nutrient absorption and bone health considerations, which is part of why many prescribers periodically reassess whether continued use at the original dose is still necessary rather than treating it as an indefinite, unchanging prescription.
Shop around. The cheapest pharmacy (Costco at $4.60) charges significantly less than the most expensive option ($15.50). A quick call can save you real money.
Ask for the generic. If your doctor prescribed the brand-name Prevacid, ask your pharmacist whether the generic Lansoprazole is available. In most states, pharmacists can substitute a generic unless the prescriber writes 'dispense as written.'
Use a discount card. Services like GoodRx, SingleCare, and WellRx can sometimes negotiate prices lower than retail cash. The estimated GoodRx low for Lansoprazole is around $3.80.
Lansoprazole is available both over-the-counter and by prescription, and the generic prescription version is considerably cheaper than the original branded product, so a manufacturer copay card generally isn't the relevant savings path — comparing the OTC price against the prescription cash prices above is often worthwhile too.
Coverage depends on your specific plan and formulary. Most acid reflux medications are covered under standard health insurance, typically in Tier 1 or Tier 2. If your copay is higher than the cash price above, it may be cheaper to pay out of pocket — ask your pharmacist to compare. Prior authorization requirements for lansoprazole vary by plan — some insurers want documentation that a lower-cost PPI or an OTC option was tried first, given how many acid-reducing alternatives exist in this class.
Prices represent estimated retail cash prices for Lansoprazole 30mg (30-count) as of 2026. Actual prices may vary. RxCostCheck does not collect or sell your health data. Learn more →
How much does Lansoprazole cost without insurance?
Without insurance, Lansoprazole 30mg (30-count) ranges from $4.60 at Costco to $15.50. With a GoodRx discount card, the price can be as low as $3.80.
Where is the cheapest place to fill Lansoprazole?
Costco typically offers the lowest cash price at $4.60 for 30 30mg.
Is there a generic for Lansoprazole?
Yes — the generic Lansoprazole is available and bioequivalent to Prevacid. Ask your pharmacist to dispense the generic to save money.
What if my insurance doesn't cover Lansoprazole at all?
Ask your prescriber whether a covered therapeutic alternative in the same drug class exists, or ask your pharmacist about a formulary exception or medical-necessity appeal — some plans will cover an otherwise-excluded drug once that documentation is on file. In the meantime, the cash and discount-card pricing shown above is usually the fastest fallback.
Does a 90-day supply of Lansoprazole cost less than three 30-day fills?
Often, yes — many pharmacies and insurance plans price a 90-day fill at a lower effective per-dose cost than separate 30-day fills, and some mail-order pharmacy benefits are built specifically around 90-day supplies. Ask your pharmacist or insurer whether a 90-day option is available for this medication before assuming the count shown above is your only choice.
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