AnkerDirect via Amazon offers the Anker Ultra Protective Case With Built-in Clear Screen Protector for iPhone 6 in Black/Grey (pictured), model no. AK-A7031011, for $15.99. Coupon code "IPH647IN" cuts it to $6.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $6.14.) That's a buck below our mention from three weeks ago, $33 off list, and the lowest total price we've seen. It features a drop-tested polycarbonate shell and flexible TPU bumper.
This case is also available for the iPhone 6 Plus for the same price via coupon code "IPH6PLUS".