Traveling to Hawaii: Passport Requirements Demystified. If you are a U.S. citizen or hold a valid U.S. Permanent Resident Card (Green Card), you do not need a passport to travel to Hawaii. As Hawaii is the 50th state of the United States, traveling there is akin to traveling to any other state within the country. A government-issued photo ID, such as a driver’s license or a REAL ID-compliant identification card, will suffice for domestic flights to and from Hawaii.