Allegiant Air copyright policy for changing flights is designed in the interest of the traveller, both in the aspect of flexibility as well as a reaction to the operational imperatives of the company. Essentially, the passengers can make changes to the day or the time of the flight, but it is subject to certain rules and fees for the same. Standard changes come with a $25 traveller, p... https://www.usairticketchanges.com/blog/allegiant-air-flight-date-change/