The Bus
Honolulu does provide an island-wide bus transportation system which serves the Daniel K. InouyeInternational Airport, for more detailed information for routes and price ranges you can visit the following website:
https://airports.hawaii.gov/hnl/getting-to-from/ground-transportation/the-bus/.
Roberts Hawaii Express Shuttle
This company provides an alternate, affordable transportation for passengers to their work, home, or a hotel. It is usually used for long-distance.
Taxi
Of course, if passengers want to take a cab (taxi), their service is available at the airport’s property area.