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Customers of Allegiant Air have the option of online submitting their requests for flight changes. The Allegiant Air website or mobile app can be used to easily request modifications and revisions, making it the most user- and passenger-friendly alternative. The mobile app and website for Allegiant Air are designed to make it simple for anyone to use them to benefit from flight adjustments or alterations or other Allegiant Airlines services. Many of you might still choose purchasing tickets in the traditional manner. Customers and guests of Allegiant Air now have an offline option to make changes to or adjust their flight reservations. Due of its convenience and security, the offline method is preferred by many travellers. Simply visit the Allegiant Air reservation desk or kiosk at the nearby airport or call the Allegiant Air flight change to request a change or modification of your flight reservation.

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