Frontier Airlines | 130,143 followers on LinkedIn. Home of Low Fares Done Right, Frontier Airlines is taking off. Come join our fast-growing team. | Frontier Airlines (NASDAQ: ULCC) is committed to “Low Fares Done Right.” Headquartered in Denver, Colorado, the company operates 164 A320 family aircraft and has the largest A320neo family fleet in the U.S. The use of these aircraft, Frontier’s seating configuration, weight-saving tactics and baggage process have all contributed to Frontier’s continued ability to be the most fuel-efficient of all major U.S. carriers when measured by available seat miles (ASMs) per fuel gallon consumed.