Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Greenville, North Carolina to Savannah as you normally would.
Looking at all options, your cheapest flight can be booked for $319. While the most popular route (Pitt-Greenville - Savannah/Hilton Head) can be booked for $290 on average our data indicates $369 when flying from Greenville, North Carolina to Savannah.
This is defined as Pitt-Greenville Airport (PGV) and Savannah/Hilton Head Airport (SAV). Codes like Savannah/Hilton Head Airport are often used to just call airports uniquely.