How to Change a Passenger’s Name on an Frontier Flight ticket

To change a passenger’s name on a Frontier flight ticket, contact Frontier Airlines’ customer service. Provide the booking details and the correct name. A name change fee may apply, and changes must be made at least 24 hours before the flight. Verification of identity might be required.

Source: https://www.devex.com/people/how-to-change-a-passenger-s-name-on-an-frontier-flight-ticket-1997190