According to Qatar Airways Flight Change Policy, travelers are permitted to any modifications or changes to their flight ticket within 24 hours of the booking without any cost. If any traveler wants to reschedule their ticket via Qatar Airways Reschedule Policy so it can be up to 11 months from the date of the reservation. If the new flight is cheaper than the previous flight then, the rest of the amount will save as a reward point which will be used for future flight reservations. Contact Qatar airways for more details or go through Qatar Airways Flight Date Change Policy.