Just 12 days later, Frontier confirmed it's introducing two routes from Phoenix Sky Harbor International Airport in addition to the 10 previously announced. The ultra low cost carrier will offer ...

PHOENIX – Frontier Airlines is adding nonstop service between Phoenix Sky Harbor International Airport and two new Midwest destinations this fall. The discount carrier said Wednesday it will ...

PHOENIX (AZFamily) — There has been some confusion for Sky Harbor travelers taking ... have signage on roadways leading to the airport informing of Frontier’s international departures from ...