Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Greenville to Decatur, Illinois as you normally would.
Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines flying from Greenville to Decatur Arpt have implemented new flexible change policies.
Looking at all options, your cheapest flight can be booked for $374. While the most popular route (Greenville - Decatur Arpt) can be booked for $779 on average our data indicates $374 when flying from Greenville to Decatur, Illinois.