https://www.flywithairline.com/blog/how-to-change-

How to change name on frontier airlines go to the Frontier Airlines website and go into your account to modify your name on the airline. Navigate to the "Manage Booking" area and choose the flight that requires editing. To make adjustments, click "Edit Passenger Details" and adhere to the instructions. If changing the name is not possible online, get in touch with Frontier's customer support by phone or email. To avoid any problems at the airport, make sure to complete name changes well in advance of your flight, as there can be a price associated with them.