Frontier Airlines announced on Tuesday new nonstop flights from Raleigh-Durham International Airport to Cancun beginning this January.Frontier Airlines announced on Tuesday new nonstop flights from Raleigh-Durham International Airport to Cancun beginning this January.The discount airline is offering introductory fares starting at $89. Services to Cancun International Airport start Jan. 22.The path will run weekly.Frontier offers 14 nonstop RDU routes. Report a correction or typo