List of Allegiant Air destinations
Allegiant Airs scheduled destinations (excluding charter operations) are listed below. Note that Allegiant offers no transcontinental flights. Its longest flight within the continental United States is Cincinnati to Los Angeles (approximately 1900 miles), and its reservation system does not allow travelers to book multi-segment flights (for example, Oakland to Cleveland via Phoenix albeit the airline operates both sectors). List. Terminated destinations. These are destinations Allegiant flies to for aircraft maintenance.