Allegiant Travel Co provides travel services in the United States. It sells air transportation on a stand-alone basis or bundled with air-related and third-party services and products. Customers may also purchase fixed-fee flying arrangements to receive charter service on a year-round and ad hoc basis. Additionally, customers may purchase hotel rooms, ground transportation, and other attractions (for example, entertainment show tickets) to accommodate a trip. The company's operating segment includes Airline, Sunseeker Resort, and other non-airlines. Customers purchase travel tickets at airport ticket counters, online, or through its telephone reservation center.