I thought I'd post this since I often see a question about transfers in South Florida specifically between Port of Miami and Ft Lauderdale.   The Port of Miami is the busiest cruise port in the world.  Yet sometimes the Miami International Airport is not the best or least expensive airport to access South Florida.  Some airlines like Southwest don't fly there but they do fly to Ft. Lauderdale/Hollywood International Airport approximately 30 miles up the coast.  Often airfare and hotels are