Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Grenada. Flights to Grenada from Utah in February are about $735 on average during February, but can be found for as low as $288.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Utah to Grenada as you normally would.
SLC and GND are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SLC to GND refers to a flight route from Salt Lake City Airport to St. George's Point Saline Intl Airport. Saint George Airport (SGU), Provo Airport (PVU), Moab Canyonlands Field Airport (CNY), Cedar City Airport (CDC), Ogden Airport (OGD) are some additional IATA codes for airports related to your trip.