Frontier Airlines CUN Terminal – Cancun International Airport
Frontier Airlines COS Terminal – Colorado Springs Airport
Frontier Airlines COU Terminal – Columbia Regional Airport
Frontier Airlines CLE Terminal – Cleveland Hopkins International Airport
Frontier Airlines CVG Terminal – Cincinnati/Northern Kentucky International Airport
Frontier Airlines DSM Terminal – Des Moines International Airport
Frontier Airlines DTW Terminal – Detroit Metropolitan Wayne County Airport
Frontier Airlines DCA Terminal – Ronald Reagan Washington National Airport
Frontier Airlines LIT Terminal – Bill and Hillary Clinton National Airport
Frontier Airlines MCI Terminal – Kansas City International Airport
Frontier Airlines LFT Terminal – Lafayette Regional Airport
Frontier Airlines LIR Terminal – Daniel Oduber Quirós International Airport
Frontier Airlines LAX Terminal – Los Angeles International Airport
Frontier Airlines LCK Terminal – Rickenbacker International Airport
Frontier Airlines MCE Terminal – Merced Regional Airport
Frontier Airlines ILM Terminal – Wilmington International Airport
Frontier Airlines KIN Terminal – Norman Manley International Airport
Frontier Airlines ICT Terminal – Wichita Dwight D. Eisenhower National Airport
Frontier Airlines IDA Terminal – Idaho Falls Regional Airport
Frontier Airlines IAH Terminal – George Bush Intercontinental Airport
Frontier Airlines HSV Terminal – Huntsville International Airport
Frontier Airlines HYS Terminal – Hays Regional Airport
Frontier Airlines MDT Terminal – Harrisburg International Airport
Frontier Airlines MDW Terminal – Chicago Midway International Airport
Frontier Airlines MEM Terminal – Memphis International Airport
Frontier Airlines MKE Terminal – Milwaukee Mitchell International Airport
Frontier Airlines MOT Terminal – Minot International Airport
Frontier Airlines MSO Terminal – Missoula Montana Airport
Frontier Airlines OAK Terminal – Oakland International Airport
Frontier Airlines PVD Terminal – Rhode Island T. F. Green International Airport
Frontier Airlines PWM Terminal – Portland International Jetport
Frontier Airlines RDU Terminal – Raleigh–Durham International Airport