Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kuala Lumpur to Quetta as you normally would.
Quetta (UET) is the airport you will fly into if you book a flight from Kuala Lumpur to Quetta. You should not have trouble finding flights to Quetta from Kuala Lumpur; the airport handles an average of 0 inbound flights from Kuala Lumpur per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Quetta airport from Kuala Lumpur. It is only a 9.0 km journey from Quetta (UET) to Quetta’s city centre.