Honolulu Airport (IATA: HNL, ICAO: PHNL), also known as Daniel K. Inouye International Airport (HNL), is the largest airport in the State of Hawaii. It is located in the city of Honolulu on the island of Oahu. Honolulu Airport is the second busiest airport in the United States. Honolulu Airport is the hub for Hawaiian Airlines. Honolulu Airport travels over ...