How do I change my ticket or flight information with Allegiant Airlines?

If something came up from the time you made your original booking and you need to change your ticket with Allegiant, we can show you the fastest, easiest way to do it.

Allegiant Airlines is a great American airline offering discounted flights. And, Allegiant Airlines understands that sometimes travel plans change. Whether you have had an emergency come up or simply you want to change plans for better weather conditions, Allegiant Airlines allows you to change your ticket or flight information relatively easily. Just follow the steps below.

Make Flight Changes with Your Allegiant Airlines Account

  1. Go to www.allegiantair.com

  2. In the top right corner of the screen, select 'Log In.'

  3. Under 'Existing User,' type in your email address and password and select 'Sign in to MyAllegiant.'

  4. You will be redirected to a new page. On the left menu, select 'Trips.'

  5. Select the trip you would like to make changes to.

  6. Follow the prompted instructions to update your seat assignment, make bag reservations, upgrade or change flights, or cancel your trip. If there are fees associated with your changes, they will be displayed and you will be asked to confirm you accept the charges.

  7. You'll receive an email confirming your changes and with a new itinerary (if applicable).

Make Flight Changes with Your Confirmation Number

  1. Go to the Allegiant Airline 'Manage Booking' section at https://www.allegiantair.com/my-trips

  2. Enter your first name and last name as they appear on your booking. Additionally, you'll need to provide your confirmation number. You can find your confirmation number in the email you would've received after making the initial booking.

  3. Select 'Find My Trip.'

  4. Follow the prompted instructions to update your seat assignment, make bag reservations, upgrade or change flights, or cancel your trip. If there are fees associated with your changes, they will be displayed and you will be asked to confirm you accept the charges.

  5. You'll receive an email confirming your changes and with a new itinerary (if applicable).

Make Flight Changes with Your Credit or Debit Card

  1. Go to the Allegiant Airline 'Manage Booking' section at https://www.allegiantair.com/my-trips

  2. Enter your first name and last name as they appear on your booking. Additionally, you'll need to provide your departure date and the last four digits of the debit or credit card you used for the booking.

  3. Select 'Find My Trip.'

  4. Follow the prompted instructions to update your seat assignment, make bag reservations, upgrade or change flights, or cancel your trip. If there are fees associated with your changes, they will be displayed and you will be asked to confirm you accept the charges.

  5. You'll receive an email confirming your changes and with a new itinerary (if applicable).

If at any point, if you have issues making changes to your ticket, you can reach out to the Allegiant Airline Customer Service team via phone. Make sure to stay on the line with the agent until you get a confirmation email with all the changes you requested. The Allegiant Airlines Customer Service line is available Monday to Fridays 9:00 am to 9:00 pm EST.

When it comes to making changes for flights with Allegiant Airlines, there are a few rules you should be aware of. You can receive a full refund if you cancel your reservation 24-hours after the initial booking.

Flight itineraries (change of flight times, flight dates, flight schedules) cannot be made within seven days of departure. Additionally, no credit will be issued unless you have purchased Trip Flex. Trip Flex can only be purchased with the initial booking, and can not be added retroactively to existing reservations.

Trip Flex allows you to make a change or cancel your reservation up to one hour before the departure without any fees. Without Trip Flex, a fee of up to $75 per person each way will apply for all itinerary changes, and no changes will be permitted within seven days of travel.

How do I change my ticket or flight information with Allegiant Airlines?

Why Did GetHuman Write "How do I change my ticket or flight information with Allegiant Airlines?"?

After thousands of Allegiant customers came to GetHuman in search of an answer to this problem (and many others), we decided it was time to publish instructions. So we put together How do I change my ticket or flight information with Allegiant Airlines? to try to help. It takes time to get through these steps according to other users, including time spent working through each step and contacting Allegiant if necessary. Best of luck and please let us know if you successfully resolve your issue with guidance from this page.

Why does GetHuman Write How-to Guides for Allegiant Problems?

GetHuman has been working for over 10 years on sourcing information about big organizations like Allegiant in order to help customers resolve customer service issues faster. We started with contact information and fastest ways to reach a human at big companies. Particularly ones with slow or complicated IVR or phone menu systems. Or companies that have self-serve help forums instead of a customer service department. From there, we realized that consumers still needed more detailed help solving the most common problems, so we expanded to this set of guides, which grows every day. And if you spot any issues with our How do I change my ticket or flight information with Allegiant Airlines? guide, please let us know by sending us feedback. We want to be as helpful as possible. If you appreciated this guide, please share it with your favorite people. Our free information and tools is powered by you, the customer. The more people that use it, the better it gets.

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