- Start by going to Allegiant Air's official website (https://www.allegiantair.com/).
- To log into your Allegiant Air account, provide the last name and confirmation code of the ticketed passenger.
- Find and select "Manage Travel" from the menu now.
- Select the flight that you want to change by searching for it.
- Make your choice for the new flight you want to take right now.
- To finish the process, adhere to the additional on-screen directions and steps.
- Pay the Flight change fee (if necessary) and the price difference between the original flight and the new flight (if any).
- In the end, be sure to get a phone call or postal confirmation for your new airline reservation.
Read also : Delta flight change fee | Alaska flight change fee