Warfarin is a generic anticoagulant prescription drug used to prevent and treat blood clots. The average retail price of Warfarin is around $27.50 for 30, 5mg tablets of Warfarin. Pay as little as $4.00 for 30, 5mg tablets of generic Warfarin by using a SingleCare Warfarin coupon. Start at $6.85 — no insurance, no GoodRx coupon, no membership fee. 17 transparent-pricing pharmacies compared. See exact Warfarin cash prices, find the lowest-cost pharmacy near you, and transfer your Rx free — same day. Compare Warfarin (coumadin) 5 mg prices from verified online pharmacies or local U.S. pharmacies. Free coupons for warfarin (coumadin). Discounts up to 80% off the retail price. Warfarin costs $4 to $15 for a 30-day supply without insurance. It is one of the least expensive blood thinners, though regular INR testing adds to overall treatment cost. Compare warfarin prices, print discount coupons, find manufacturer promotions, copay cards and patient assistance programs. WARFARIN (WAR far in) prevents and treats blood clots. It may also be used to lower the risk of stroke in people with AFib (atrial fibrillation) or heart valve replacement. Warfarin is a generic medication and has an average cost of $19. This article will look at the breakdown of these blood thinners, what each cost, and explain the most popular ones. Warfarin has been around for a long time, so it’s one of the most affordable blood thinners on the market. You can pay as little as $4.00 for a 30-day supply of generic warfarin with a free GoodRx discount. Generic warfarin is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. Get Warfarin for as low as $4.00, which is 74% off the average retail price of $15.32 for the most common version, by using a GoodRx coupon. 30-day supply of medications starting as low as $4. 90-day supply of medications starting as low as $10. Prices for some drugs covered by the Prescription Program may vary by state including, but not necessarily limited to, CA & MN. Check with your local Walmart Pharmacy for details.