For in-store pickup only, with stock limited by ZIP code, Target offers the Zagg InvisibleShield Screen Protector for iPad Air, Air 2, or 9.7" Pro, model no. FFAPPIPAD5S, for $8.53. Excluding the below mention, that's the lowest price we could find by $4. This scratch-resistant screen protector features EZ apply tabs.
A close price: MadePC has it for $8.87 with free shipping.