Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Williamsport as you normally would.
Looking at all options, your cheapest flight can be booked for $615. While the most popular route (Las Vegas Harry Reid Intl - Williamsport Lycoming County) can be booked for $8,630 on average our data indicates $615 when flying from Las Vegas to Williamsport.