How to change my flight on Allegiant
by jeckwalker123

To change your Allegiant flight online:

  • Go to

  • Select the Manage trips option

  • You will be offered 3 options to change your flight:

  • By validation #

  • By email

  • By credit card

  • Provide the information for the chosen option

  • Select your flight and follow the instructions to change it

You can also change your Allegiant flight reservation using the mobile app. If you are having difficulty, contact the Allegiant Customer Relations team for assistance.

Check Also: Change Your United Flight Reservation | Change Your Southwest Flight Reservation

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