Frontier Airlines is known for its outstanding services and travel-friendly policies. Passengers are allowed to cancel or reschedule their flights anytime by abiding by the rules mentioned in the Frontier Flight Change Policy. Under this policy, any changes made to the ticket within 24 hours of purchasing it are free of cost. After this time, you will be charged a fee for rescheduling or changing your flight. Also, it is mandatory that you have the correct name details on your ticket if you want to change your flight due to security reasons. To change a flight you can use the website method or give a call on their helpline number.