Find great value on US Airways flights from SLC to PHX when you book with CheapOair! If you are looking for rejuvenation and relaxation, then consider spending some time in Phoenix. From watching rare wildlife, hiking on beautiful mountain ranges to exploring rare art, Phoenix offers a lot to do and explore. Adventure lovers should hike to the top of Piestewa Peak which offers amazing views of the city. Visit the Desert Botanical Garden which is home to more than 20,000 plants which includes more than 120 endangered species. Make sure you include Phoenix Zoo in your itinerary which is spread across an area of more than 125 acres and boasts of rare wildlife like baboons and Galapagos tortoises.