Can I cancel my Allegiant flight without a penalty? 

Yes, you can cancel your Allegiant flight without a penalty, but that could not be conducted in every condition. Moreover, that could be determined by the fare rule and the Allegiant Airlines Cancellation Policy. And the provisions of that have been written at the bottom:-

• When you cancel your flight tickets within 24 hours of booking, that purchase has been seven days prior to the flight departure. Then you could be exempted from the penalty.
• But the additional charges could be applied for the cancelation conducted after this window's expiration. And that could depend on flight tickets and the destinations.
• When you cancel your reservation due to a medical emergency or illness, you may also be charged the extra amount. But get to submit the relevant document to an airline.
• When your original flight has been delayed more than three hours, and you do not wish to travel with that, you may not have to pay additional expenses.
•  Passengers may be excluded from penalty if the airline itself cancels the original tickets because of a strike or technical issues and arranged alternate flights. 
• When you have made a reservation with the help of a travel agent, they could be held responsible for the cancelation and charges, not the airline.

How much does it cost to cancel a flight with Allegiant Air? 

When you want to cancel the flight ticket from Allegiant Air, you want to know about the cancelation fees. Then, you could get charged $0 to $350 depending on the fare kind and routes. But to know about the accurate cost, you can approach the airline customer service team and have answers.

Can I cancel a flight and get a refund?

Yes, you can cancel a flight and seek a refund from Allegiant Air. For that, you can approach customer service at this number, 1 (702) 505-8888, or you can submit the cancelation with a refund request on your own via online. If you need a hint for that, act with the steps that are cited at the bottom:-

• Open the official website of Allegiant Air
• After that, click on the manage trip icon.
• Further, type first with the last name and booking confirmation number.
• Now, you can see your itinerary details and click on the flight cancel icon.
• And then, the confirmation page for cancelation appears, and there click on the confirm icon.
• On the next tab, click on the refund icon.
• Afterward, you can fill in the form with the required information and click on the submit icon.
• Afterward, you can get the approval message by email and phone number.