Southwest adds Phoenix-Yellowstone nonstop flights (azfamily.com)

Southwest Airlines will launch seasonal Saturday nonstop service between Phoenix Sky Harbor International Airport and Bozeman Yellowstone International Airport from June 3 through August 2, 2027. The route offers Arizona travelers a direct connection about a two-and-a-half-hour drive from the Old Faithful Visitor Center. Allegiant Air has served the route from Mesa Gateway Airport since 2018, and American Airlines ran temporary daily flights in summer 2026.