Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Greensboro to Glasgow as you normally would.
Greensboro/H. Point (GSO), located 8.4 mi from the city center, is the airport you fly out of when you book flights from Greensboro to Glasgow. 2 airlines have flights from Greensboro/H. Point to Glasgow on a regular basis. Booking flights from Greensboro/H. Point to Glasgow should not be difficult; the airport handles an average of 0 outbound flights to Glasgow per day.
Greensboro/H. Point Airport is GSO and Glasgow Intl Airport is GLA. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Edinburgh Turnhouse Airport (EDI), Glasgow Prestwick Airport (PIK), Dundee Airport (DND), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).