Frontier Airlines cancellation policy: Frontier Airlines offers a 24-hour risk-free cancellation window for a full refund on bookings at least 7 days before departure. After that, cancellation fees apply based on fare type and timing. Some fares allow more flexibility with reduced fees or future travel credit. Cancellations can be made online, via the app, or through customer service. Refund processing times vary. For the latest details, refer to Frontier Airlines official website or contact their customer service before making any changes to travel plans. https://www.airlinesmap.com/fr....ontier-airlines-canc