Austrian Airlines allows a Cancellation without any cost within 24 hours of the actual purchase. Therefore, if Austrian passengers complete their flight within 24 hours, they will not be charged any fare for it. Austrian Airlines Cancellation Policy All Austrian payments are refunded within 24 hours of the original purchase. Paid after 24 hours of purchase Austrian Airlines pays for the cancellation made after 24 hours of the original purchase. Austrian passengers wishing to terminate their flight after 24 hours will have to pay a rental fee. The cancellation fee depends on the time remaining for resignation and the nature of the leave.