โ Frontier Airlines allows cancellations with full refunds within 24 hours of booking, provided your departure is at least two days away โ +๐*๐๐๐*๐๐๐*๐๐๐๐ เนั ๐*๐๐๐*๐๐๐*๐๐๐๐ (US). For non-refundable tickets, you can make changes or cancel without a fee, but you will receive a travel credit...