How much does Flomax 0.4 mg cost without insurance?
As of August 2026, the lowest verified cash price for Flomax 0.4 mg (Tamsulosin) is $6.00 at Mark Cuban Cost Plus, based on 7 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 |
|---|---|---|
| Mark Cuban Cost Plus | pharmacy | $6.00 |
| Mark Cuban Cost Plus | pharmacy | $7.50 |
| Honeybee Health | pharmacy | $8.00 |
| Costco Pharmacy | pharmacy | $8.99 |
| HealthWarehouse | pharmacy | $15.90 |
| PlanetDrugsDirect | pharmacy | $43.99 |
Last verified Aug 24, 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 Flomax 0.4 mg without insurance?
- The lowest verified cash price we currently have for Flomax 0.4 mg (Tamsulosin) is $6.00 at Mark Cuban Cost Plus, from 7 verified pharmacy quotes. Prices change; confirm at the pharmacy before you buy.
- Is a generic version of Flomax available?
- Yes: Tamsulosin is the generic of Flomax and is what drives the low cash prices above.