Qantas cancellation policy allows passengers to cancel or change their flights with flexibility, depending on the fare type. For refundable tickets, travellers can receive a full refund if the cancellation is made within the specified time frame. Non-refundable tickets may incur fees for changes or cancellations. The airline also offers options like "Fly Flexible" to provide additional flexibility for uncertain travel plans. It's crucial for passengers to review the specific terms and conditions associated with their ticket to understand the cancellation policy that applies to their booking. Overall, Qantas strives to accommodate passengers with varying needs while maintaining a fair and transparent cancellation policy.