Frontier Airlines has made it relatively simple to cancel a pre-booked flight throughout the years. You may do it yourself by going to Frontier's official website or phoning their customer service numbers to speak with a real representative of Frontier Airlines. They can also explain their cancellation policy to you. The policy contains all of Frontier Airlines' cancellation policies. The staff guarantees that you don't lose money due to cancellations and that you receive a complete refund. If you have any more questions or require support, you may contact our staff.
See at: Frontier Airlines Cancellation Policy
See also: Hawaiian Airlines Cancellation Policy ||| Southwest Airlines Cancellation Policy