Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Tegucigalpa as you normally would.
LAS stands for Las Vegas Harry Reid Intl Airport, while TGU stands for Tegucigalpa Toncontin 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.