The airline will now offer 18 nonstop destinations to RDU with service on nine new routes starting next week.
With the addition of the three new cities, Raleigh-Durham International Airport will now serve a total of 57 non-stop destinations.
On February 8, Frontier announced the addition of nonstop flights from RDU to San Antonio, Houston, Buffalo, Milwaukee, New Orleans, and San Juan.
Previous article: Frontier Airlines adding multiple nonstop flights from RDU
Frontier's announcement was the airline's second expansion announcement in less than a year.