Don't worry, they all cost more then your ticket.
Vintage Chanel Waist Pouch
Just large enough for your iPhone, and like, chapstick?
Via: shopbop.com
At a casual $1,540 this will definitely set you apart from your friends. Plus, it is vintage, so it is totally perfect for Coachella.
Gucci Canvas Belt Bag
At $530, this option is a little more affordable. But it is um, canvas?
Via: neimanmarcus.com