How do I change my flight date on my Allegiant Air flight?

Changing your flight date on Allegiant Air can be done through the airline's website or customer service department. Here's how to do it:

1. Visit Allegiant Air's website and click on the 'Manage Travel' tab.
2. Enter your booking details to access your reservation.
3. Select the flight you want to change and click on the 'Change Flights' button.
4. Select the new flight date and pay any difference in fare.
5. Review your new itinerary and confirm the changes.

If you prefer to make the change over the phone, you can call Allegiant Air's customer service department. Keep in mind that there may be additional fees for making changes over the phone.