To get to Caldera from Santiago, the capital of Chile, you can take a flight to the Atacama Desert Airport, located about 60 kilometers from the city.
It can also be reached by road through Route 5 North, which connects Santiago with Copiapó, and from there take Route 1 that leads directly to Caldera.
Another option is to take a bus from Santiago or Copiapó to Caldera, since there are several transport companies that offer regular services to the city.
See more information about Caldera
See also information on Copiapó.