One thing with hunting antelope in Wyoming is that unless you are looking for a spectacular buck you'll have no problem getting one.
My last hunt lasted all of 15-20 minutes. As I had mentioned I hunted with Table Mountain Outfitters. They have a number of private ranches under contract and you hunt out of their bunkhouse. If you want to fly in you'll fly to Denver and rent a car and drive to Cheyenne about a hour away. I got there on Tuesday, and and shot my antelope on Wednesday morning. They have a meat cooler and freezer on site if you want to cut up your meat. But a butcher is available for $150.