How much does Flagyl 500 mg cost without insurance?
As of July 2026, the lowest verified cash price for Flagyl 500 mg (Metronidazole) is $4.50 at Costco Pharmacy, based on 16 verified US pharmacy quotes. You don't need insurance to fill it — every price below is a real quote we verified, not an estimate or an insurance copay.
| Pharmacy / source | Type | Verified cash price |
|---|---|---|
| Costco Pharmacy | pharmacy | $4.50 |
| Costco Pharmacy | pharmacy | $4.50 |
| Mark Cuban Cost Plus | pharmacy | $6.40 |
| BetterBuy Rx | coupon | $6.59 |
| Mark Cuban Cost Plus | pharmacy | $8.00 |
| BetterBuy Rx | coupon | $9.26 |
Last verified Jul 19, 2026. Cash prices only, from verified public retail and mail-order sources — no insurance copays, no estimates, no extrapolation across strengths or quantities. Prices change; confirm at the pharmacy counter. See our methodology.
Common questions
- What is the cheapest way to buy Flagyl 500 mg without insurance?
- The lowest verified cash price we currently have for Flagyl 500 mg (Metronidazole) is $4.50 at Costco Pharmacy, from 16 verified pharmacy quotes. Prices change; confirm at the pharmacy before you buy.
- Is a generic version of Flagyl available?
- Yes — Metronidazole is the generic of Flagyl and is what drives the low cash prices above.