There's a good deal through Google offers:
https://www.google.com/offers/m#details/9a523aafb5bab195/9QZLAO9BRVWUBCEU/vod
For $15+$6.99 shipping, you get a lightning cable, a wall adapter, and your choice of a 30 pin block adapter or the cable adapter. So basically, for the price of a...