Are you looking for options to cancel your Allegiant Airline flight ticket? If yes, then you must educate yourself about Allegiant Airlines' cancellation policy for flight tickets. Generally, we have heard that most Airlines offer four to five types of flight tickets - Standard Economy, Basic, Bonus, Premium, and First Class. But, what are Allegiant Airlines' cancellation policies for their trip and non-trip flex flight tickets? Let’s get the basics straight!