Honolulu International Airport (IATA: HNL, ICAO: PHNL, FAA LID: HNL) is the principal aviation gateway of the City & County of Honolulu and the State of Hawaii and is identified as one of the busiest airports in the United States, with traffic now exceeding 21 million passengers a year and rising.

Honolulu International Airport serves as the principal hub of Hawaiian Airlines, the largest Hawaii-based airline. Hawaiian offers flights between the various airports of the Hawaiian Islands and also serves the continental United States, Australia, New Zealand, American Samoa, Tahiti, Japan, and South Korea. It is host to major United States and international airlines, with direct flights to American, Asian, and Pacific Rim destinations. In addition to services to most major western cities and many smaller gateways, especially in California, the airport has succeeded in attracting long-haul services to the East Coast including the recently added destinations of Toronto and Washington-Dulles, which have joined established services to Atlanta, New York-JFK and Newark.