average cost of advil cold and sinus
1 On average, the costs of Advil can range from $5 to as much as $20; the smaller the bottle, the less you will have to pay. 2  Walgreens.com, for instance, sells a 80-count bottle for $8.99, while the 160-count bottle retails for $18. 3  Amazon.com, on the other hand, sells a 160-count box of Advil for $13.