Allegiant Air manage booking is a convenient online feature that allows passengers to access and control their reservations with ease. Using Allegiant Air manage my booking, travelers can view itinerary details, check flight schedules, and stay informed about any updates before departure. The Allegiant Air flight manage booking option helps passengers change travel dates, update passenger information, select seats, and add extra services based on fare rules. Through Allegiant Air login manage my booking, users can securely access their reservation and manage travel preferences at any time. The Allegiant Air manage my flight booking feature also supports online check-in, saving time at the airport. Overall, this service provides flexibility, convenience, and better control over your travel plans, helping ensure a smoother and more organized journey from booking to boarding.