Why baby formula pricing matters
Baby formula pricing across Amazon Subscribe and Save, Target Diaper Subscription, and Costco follows distinct subscription patterns. Amazon Subscribe and Save 5 to 15 percent off subscribed deliveries. Target Diaper Subscription 5 percent off plus free shipping. Costco Kirkland Signature formula at 30 to 40 percent below name-brand pricing.
Where each retailer wins
For Similac and Enfamil name-brand formula, Amazon Subscribe and Save with 5+ items per delivery earns 15 percent off year-round. For Kirkland Signature formula at Costco, the per-ounce pricing is the consistent best path among major US retailers.
For shoppers buying baby formula at scale, Costco Kirkland plus Amazon Subscribe and Save on supplemental formula brands is the consistent year-round savings.
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