Allegiant Air's interactive route map consists of two styles of dots indicating destinations served by the airline in the United States. The large orange dots are Allegiant's focus cities, while the blue dots are Allegiant's other destinations. Clicking on a dot shows the different routes operated from each airport.
Allegiant's focus cities are in the southeastern and southwestern United States. One southeastern airport used by Allegiant is Fort Lauderdale-Hollywood International Airport in Florida. From Fort Lauderdale, Allegiant operates flights to San Antonio, Texas; Memphis, Tennessee; Grand Rapids, Michigan; Rochester, New York; and Portsmouth, New Hampshire. Punta Gorda Airport in Fort Myers, Florida is another focus airport for Allegiant. From Fort Myers, Allegiant flies to Kansas City, Missouri; Springfield, Illinois; Youngstown, Ohio; and Plattsburgh, New York.
One of Allegiant's southwest focus airports is McCarran international Airport in Las Vegas, Nevada. From Las Vegas, Allegiant flies to Honolulu, Hawaii; Bellingham, Washington; Grand Forks, North Dakota; Cincinnati, Ohio; and Brownsville, Texas. Another southwestern airport that Allegiant uses heavily is Los Angeles International Airport in California. From Los Angeles, Allegiant flies to Eugene, Oregon; Provo, Utah; Telluride, Colorado; and Honolulu. Other Allegiant focus airports are Myrtle Beach International Airport in South Carolina, Phoenix-Mesa Gateway Airport in Arizona and St. Petersburg-Clearwater International Airport in Florida.