When flying from Greensboro to Freeport, City of Freeport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
GSO stands for Greensboro/H. Point Airport, while FPO stands for Freeport Grand Bahama Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.