Bestbuy offers Insignia™ - 6' Lightning to USB-C Charge-and-Sync Cable - Black for $5.99 (reg. $15.99) with free shipping. 

Product Description:
Whether you’re calling loved ones, texting friends or ordering takeout food online, your phone is vital to your lifestyle. It’s important to keep it charged and ready to go at a moment’s notice. The Insignia NS-MCLC6BK23 6' Lightning to USB-C Charge-and-Sync Cable is more than up to the task. It’ll not only help charge your Apple smartphone or tablet, but also let you transfer files and sync your device with a quick data transfer speed of up to 480 Mbps. Its 6 ft. length gives you flexible placement options so you can place your phone wherever you need to. A black color keeps the cable looking stylish while a braided jacket adds protection and durability. Trust this Lightning to USB-C cable to help keep you ready for the challenges of everyday life.