Flight
There are multiple international airports in the region. Málaga is the largest local international airport with many flights to and from the United States. It is a quick 1.5 hour train ride direct to Granada.
Flight
Madrid has the largest number of flights to and from the United States. The train from Madrid to Granada is on average a 3 to 4 hour trip.
Flight
Granada's international airport is the smallest in the region and has the least amount of flights to and from the United States. Flights tend to be more expensive, but it is an option if flying in from other European cities.