Allegiant Air is flying in and out of Atlantic City International Airport! READ MORE: Allegiant Air and Atlantic City International Airport - Everything You Need to KnowGet our free mobile appFly Allegiant Air Via Atlantic City International AirportAllegiant Air will soon begin flights in and out of Atlantic City. Allegiant - Your Florida Escape Starts at ACY—Book with Allegiant Today! Townsquare Media Atlantic City has teamed up with Allegiant Air to give away 4 free flight vouchers to a lucky winner. Gallery Credit: StackerLOOK: The history behind all 63 national parks in the US The National Parks System manages 63 national parks.