Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dallas to Morgantown as you normally would.
Morgantown (MGW) is the airport you will fly into if you book a flight from Dallas to Morgantown. You should not have trouble finding flights to Morgantown from Dallas; the airport handles an average of 0 inbound flights from Dallas per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Morgantown airport from Dallas. It is only a 2.3 mi journey from Morgantown (MGW) to Morgantown’s city center.