Book your ticket on Hawaiian Airlines. You may do this in person, by phone, or online through Hawaiian Airlines, a travel agent or an online booking site.
Visit the Hawaiian Airlines website and log in. Whether you have booked through Hawaiian Airlines or another service, as long as you have your confirmation code or ticket number you will be able to log in using that information and your last name. To do this, visit the Hawaiian Airlines website at hawaiianair.com and then select "Web Check-in" from the list of options under "Manage." You can find these options at the top of the page. Enter your information and click "Check in."
Check in and print your boarding pass. Follow the on-screen instructions to arrange your preflight details and and print your boarding pass. Check-in can be done up to 24 hours before your flight departs. At this point you will also be able to choose your seat and pay any necessary baggage fees.
Head to the airport, present your information to the Hawaiian Airlines service agent and, if needed, check your bags.