Allegiant Air’s Manage Travel feature makes it easy for passengers to view, change, or cancel their flight reservations online. Whether you need to update passenger details, add baggage, choose seats, or modify travel dates, this tool offers a convenient way to handle your booking without calling customer service. Simply visit the Allegiant website, enter your confirmation number and last name, and access all available options to manage your trip with ease. https://allairlineinfo.com/