Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kuala Lumpur to Morgantown as you normally would.
For a flight from Kuala Lumpur to Morgantown, you will be flying into Morgantown. Morgantown (MGW) is just 3.7 km from the centre vof the city. Morgantown is the only Morgantown airport and it handles 0 inbound flights from Kuala Lumpur per day. 0 airlines have flights to Morgantown from Kuala Lumpur on a regular basis.