It’s typically best to fly out from Denver to Ocho Rios at noon. Doing so could potentially save you 99% on the flight price compared to flying in the morning, which is usually more expensive.
DEN stands for Denver Intl Airport, while OCJ stands for Ocho Rios Boscobel 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.