How To Change Allegiant Flight With Trip Flex?

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Allegiant Trip Flex is a service that can be added to your booking to help you deal with unexpected travel changes. With this service, you can make one alteration to your itinerary for free, whether you need to change the date, flight or even destination.​

  • Log in to "Manage My Trip" on Allegiant website or app.​

  • Find your booking and select "Change Flight."​

  • Choose your new flight (dates, times, destinations).​

  • Pay any price difference for pricier flights.​

  • Confirm your change and enjoy flexible travel!​

  • Change within 1 hour (flights) or 72 hours (flight & hotel) for Trip Flex benefits.​

If you need help or encounter any issues about Allegiant Trip Flex or need assistance , feel free to contact Allegiant customer service for assistance at 1-(702) 505-8888 or +1-844-902-4930 (OTA Skip-Waiting).​