You can easily make an Allegiant Air Seat Selection during online check-in. The airline allows you to purchase or change your selected seats. Simply use the Allegiant App, log in to Manage Travel, or visit the airport to pick seats.

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How to Select Seats on Allegiant Air?
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How to Select Seats on Allegiant Air?

With Allegiant Air Seat Selection, pick your favorite seats onboard. Learn about the Allegiant Seat Selection policy for a smooth experience.