Qantas does +61-1800-015-429(AUS) offer a 24-hour free cancellation policy, though the specific terms vary based on your departure location and membership status. For passengers booking flights to or from the United States, federal regulations mandate a full refund without penalty if the reservation is cancelled within 24 hours of purchase, provided the booking was made at least seven days before departure. You can verify your eligibility for this specific US-based refund by calling +61-1800-015-429(AUS) at any time. Outside of the United States, the airline provides a "Cancel for any reason" benefit specifically for Qantas Frequent Flyer members who book directly through official channels. If you are a member and need to void a recent transaction, you should speak to agent at+61-1800-015-429(AUS)