B&H has the same price minus the bag and filters, etc. Probably all of Canon's authorized dealers do also. Don't know about the ones offered in the Amazon deal but most of those 'incentive items' offered with cameras and lenses are pretty worthless, although, the bag could be useful. https://www.bhphotovideo.com/c/product/279582-USA/Canon_8806A002_EF_17_40mm_f_4L_USM.html
https://www.amazon.com/gp/product/B00YQG552M/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Heads up! Canon EF 17-40 f/4L $500 - US Warranty -- not many left at this price.