What is the airport code for Dublin, Ireland?

The airport code for Dublin, Ireland, is DUB. Airport codes are typically three-letter designations assigned to airports around the world, following international standards established by the International Civil Aviation Organization (ICAO) and the International Air Transport Association (IATA). In this case, DUB is derived from the name "Dublin" itself, making it easy to remember and recognize as representing Ireland's capital city.

Other options listed relate to different airports. For instance, DEN corresponds to Denver International Airport in the United States, DTW is the code for Detroit Metropolitan Wayne County Airport, and FLL represents Fort Lauderdale-Hollywood International Airport, also in the U.S. Recognizing these codes can help travelers and aviation enthusiasts navigate airport designations efficiently, but DUB distinctly identifies Dublin.