Ontario, California
Ontario prescription discount card
Last updated September 11, 2026 · Reviewed by the LowerScript editorial team · Español
LowerScript is a free prescription discount card for Ontario and California residents. It can lower the cash price of prescriptions by up to 80% at participating pharmacies in and around Ontario such as CVS, Walgreens, Walmart, Costco, Ralphs and Vons — no insurance, sign-up or fees. Compare your medication's price, then show the card at the counter to pay the lower amount. Example ZIP near Ontario: 91761.
Ontario is home to about 187,013 residents as of July 1, 2025, per Census QuickFacts (V2025). 68.6% of Ontario residents identify as Hispanic or Latino (Census QuickFacts, 2020–2024 ACS).
Pharmacies that accept LowerScript
LowerScript is accepted at participating pharmacies in and around Ontario such as CVS, Walgreens, Walmart, Costco, Ralphs and Vons. Check with your local pharmacy to confirm participation before you fill. Ralphs (Kroger) and Vons (Albertsons) pharmacies, both Southern California banners, also participate in the SingleCare network LowerScript runs on.
Common prescriptions Ontario residents price-check
Generics that get refilled often are where the savings add up. Compare prices for metformin, lisinopril, amlodipine and atorvastatin, or see the full diabetes and blood pressure medication guides.
San Bernardino County
Ontario is a city in San Bernardino County, California.
¿Hablas español?
Ontario residents can use LowerScript entirely in Spanish — there's a full Spanish version of this page and Spanish-speaking support at 866-644-1242.
FAQ
How do I get started in Ontario?
Get your free LowerScript card, then look up your prescription price to compare costs before you fill in Ontario.
Does LowerScript work without insurance in Ontario?
Yes. LowerScript is not insurance and works whether or not you have coverage — show the card and pay the cash price.
How much can I save on prescriptions in Ontario?
Savings vary by medication and pharmacy, up to 80% off the cash price. Compare prices before you fill.
Is there Spanish-language support in Ontario?
Yes. LowerScript offers a full Spanish-language version of the site and Spanish-speaking support at 866-644-1242.
Other California cities: Oxnard · Riverside | California prescription prices · CVS · Walgreens · Walmart