The 24-hour cancellation rule is a consumer-friendly policy enforced by many airlines, including Frontier Airlines. Under this rule ♤1||833||816||0098 Or Toll-Free (𝕁𝕖𝕥-𝕆𝕗𝕗𝕚𝕔𝕚𝕒𝕝)♤1||833||816||0098[Singapore-Air] Quick.Connect. travelers have the flexibility to cancel their flight booking within 24 hours of purchase without incurring any cancellation fees, provided the flight is booked at least seven days before the departure date. This policy allows passengers to make adjustments to their travel plans without penalty. For further assistance or to cancel a booking under this rule, you can contact Frontier Airlines directly at their toll-free number: ♤1||833||816||0098 Or Toll-Free (𝕁𝕖𝕥-𝕆𝕗𝕗𝕚𝕔𝕚𝕒𝕝)♤1||833||816||0098[Singapore-Air] Quick.Connect.