So, you like flying with Frontier Airlines, but you need to cancel your flight ticket right now for any reason. Don't worry; there are two ways to have your Frontier Airlines flight tickets canceled. You have the option of canceling your Frontier Airlines airline ticket online or offline. The most important aspects of the Frontier Airlines Cancellation Policy should be properly investigated. Examining their cancellation policy will help you avoid being penalized for cancellation fees you didn't expect.