Raleigh-Durham International Frontier Airlines RDU Terminal Airport's (RDU) Terminal 2 is home to Frontier Airlines. Both domestic and international flights are handled at Terminal 2 which has contemporary amenities like shops lounges and restaurants. This terminal houses the baggage claim and check-in facilities for Frontier Airlines guaranteeing a seamless travel experience. Travelers on Frontier flights should arrive early to give time for boarding and security inspection. Remember that Frontier is a budget airline so there can be extra charges for checked luggage and preferred seats.