PROVIDENCE, R.I. (AP) — A new low-cost domestic airline has landed at Rhode Island's main airport. The Rhode Island Airport Corp., which operates T.F. Green Airport in Warwick, announced Wednesday that Denver-based Frontier Airlines will start offering flights to Denver and Orlando, Florida, starting in August. Frontier charges low fares but relatively more in fees than many larger airlines. Other domestic airlines that already serve the airport include American, Delta, JetBlue, Southwest and United.Read more on NewsOK.com