Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dallas/Fort Worth Airport to Lancaster, Pennsylvania as you normally would.
For a flight from Dallas/Fort Worth to Lancaster, you will be flying into Lancaster. Lancaster (LNS) is just 5.8 mi from the center of the city. Lancaster is the only Lancaster airport and it handles 0 inbound flights from Dallas/Fort Worth per day. 0 airlines have flights to Lancaster from Dallas/Fort Worth on a regular basis.