There’s no doubt Apple-certified MFi Lighting cable prices are falling. Most crazy deals have been from smaller brands, while mainstream companies are taking more of an incremental approach to their discounting. AmazonBasics Lightning cables have a long history (over 15,000) of positive reviews and include a 1-year warranty. The prices of these cables rarely dip, but the two most popular versions are on sale right now:
The Lightning plug end is a bit larger than the standard Apple version so it may not be compatible with tight fitting cases.
Monoprice cables are down to similar prices, but it’s going to cost you another couple dollars to get them shipped.