Before booking your dream vacation, you may wonder do you need a passport to fly to hawaii. In 2025, U.S. travelers can visit Hawaii without a passport, as it is part of the United States. However, carrying a REAL ID or other TSA-approved identification is mandatory for air travel. This detailed guide outlines all accepted IDs, explains REAL ID rules, and highlights special situations like cruises and international layovers. It also includes helpful travel tips to make your Hawaii trip smooth, enjoyable, and completely stress-free from start to finish.