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Get Diltiazem for as low as $9.00, which is 70% off the average retail price of $29.52 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 30mg | 90 tablets | $13.04 | $13.04 |
| 60mg | 180 tablets | $24.00 | $24.00 |
| 90mg | 90 tablets | N/A | $30.98 |
| 120mg | 90 tablets | $13.07 | $13.07 |

GoodRx coupon prices last updated on 04/21/26.