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Frontier Airlines

Frontier Airlines is a United States low-cost airline headquartered in Denver, Colorado, USA. operates flights to 77 destinations throughout the United States, Costa Rica, the Dominican Republic, Jamaica, and Mexico. The airline maintains a hub at Denver International Airport and with focus cities at Trenton-Mercer Airport near Trenton, New Jersey and at New Castle Airport in Wilmington, Delaware. Through a code-share agreement with Great Lakes Airlines the airline connects passengers to surrounding Rocky Mountain States.