Confused about whether you need a passport to fly to hawaii in 2025? This guide offers clear answers. Discover which documents the TSA accepts, how REAL ID enforcement impacts domestic flights, and what situations still require a passport. From traveling with kids to flying as a permanent resident, this guide provides complete documentation details for every type of traveler. It also explains cruise-specific requirements, inter-island flight rules, and international stopover scenarios. With updated information and helpful tips, this guide ensures you travel to Hawaii with confidence and zero confusion.