1 The Epipen is also sold for $254 at Sam’s Club, Medicine Shoppe, Costco, Target, Kmart, Kroger Pharmacy, and Walmart. 2  Meanwhile, the Epipen is sold at $257 at CVS Pharmacy, Walgreen’s, and Rite-Aid. 3  On the other hand, at edrugssearch.com, the Epipen’s cost for 0.3mg ranges from $104 to $305. The cost of the Epipen differs depending on the pharmacy or distributor. 2  The prices noted below are the full prices without any sort of insurance policy. 3  According to Goodrx.com, the EpiPen costs $254 on the average.