Allegiant Air
Primarily serving the American South and Southwest regions, Allegiant Air is a budget carrier that offers low-cost flights to several prominent hubs within the United States. Allegiant is solely a domestic airline, with a fleet of 81 planes serving 109 destinations throughout the country. Allegiant's primary mission is to connect travelers in colder American climates with vacation destinations in temperate areas of the country, styling itself as a low-cost luxury airline.