Changes are very normal and Allegiant Airlines completely understand this. Therefore the airline facilitates passengers with the manage booking option so that they can perform the required changes easily. Flyers are allowed to perform any kind of alterations to their booking through this beneficial option. If you want to add extra baggage, select a seat, cancel your reservation, etc., use the Allegiant Airlines booking manage button and modify accordingly. Passengers can apply changes through the official Allegiant website, its mobile app, or the phone number. Though all these methods are very quick and simple to use, but passengers mostly prefer to select the official website owing to its user-friendly interface. Carry out the following steps on the official website and apply sort of amendments in the wink of an eye. Open the official Allegiant Airlines website. On the top, you will see various options and one of them will be “Manage Travel.” Click on this option to pull up your reservation. A new page will appear on your screen with a heading, “Welcome to My trips.” You can access your itinerary through three different methods. Pick your preferred method and open up your booking. If you want to access your booking by email, enter your email address and password. To fetch your booking by confirmation, add the first name, last name of the passenger, and booking confirmation. If a debit or credit card is your choice, you are required to insert the first name, last name, departure date, and the last 4 digits of the card that you have used for the payment. After all this, click on the “Find my trip” button and access your itinerary. You will see multiple options; select as per your preferences. If you face any issue in performing these steps, then you can call on the phone number of the airline at any moment of the day. The agents are available day and night to guide you in the hour of need. See Also: Jetblue Book a Flight Spirit airlines reservations Copa Airlines Flights KLM Flight Booking sun country airlines book a flight Manage booking option lets you- Some of the modifications that you can apply through this option are mentioned below. Changes in contact details Changes in personal details Select the desired seat Cancel your Allegiant Airlines booking Change your reservation Pre-purchase bags Change seat assignment Add a car rental Add a hotel room Upgrade to Priority Access Share your trip details All these are the main modifications that you can implement to your reservation. https://www.iairtickets.com/allegiant-airlines-reservations/