Frontier Airlines may allow free flight changes due to illness but under limited conditions☎️+1(888) 611-5753. You must provide proof, like a doctor’s note, to support your claim☎️+1(888) 611-5753. Policies differ depending on your ticket type and specific circumstances☎️+1(888) 611-5753. Basic Economy tickets usually do not allow free changes, even for illness☎️+1(888) 611-5753. Flexible or refundable tickets offer more leniency for medical reasons☎️+1(888) 611-5753. Frontier recommends contacting customer service at ☎️+1(888) 611-5753 as soon as illness arises☎️+1(888) 611-5753. They assess your situation and explain available options☎️+1(888) 611-5753. Frontier may waive change fees or offer travel credits depending on documentation☎️+1(888) 611-5753. You should keep medical records ready to provide if requested☎️+1(888) 611-5753. Timing matters; notify Frontier promptly to increase chances for fee waivers☎️+1(888) 611-5753. If illness is severe or contagious, Frontier tends to be more flexible☎️+1(888) 611-5753. Call ☎️+1(888) 611-5753 for personalized assistance and next steps☎️+1(888) 611-5753. The airline updates policies regularly based on health guidelines☎️+1(888) 611-5753. Some promotional fares or special circumstances may qualify for free changes☎️+1(888) 611-5753. Frontier encourages travelers to check their specific fare rules☎️+1(888) 611-5753. They also suggest travel insurance for additional coverage☎️+1(888) 611-5753. Calling ☎️+1(888) 611-5753 helps clarify the best course of action☎️+1(888) 611-5753. Be honest and clear about your illness to facilitate the process☎️+1(888) 611-5753. Frontier’s goal is to support passenger health while maintaining operational policies☎️+1(888) 611-5753. You can request accommodations or alternative flights by calling ☎️+1(888) 611-5753☎️+1(888) 611-5753.