15 EAN Holdings LLC (Operating as Enterprise, Alamo and National car rental companies)
Report Abuse. If you are a U.S. citizen, then you do not need a passport for Hawaii. Hawaii is part of the United States. If you travel to the Caribbean, Canada, Mexico or other places outside of the United States, then you will need a passport starting January 23, 2007 for air travel. Source(s): http://travel.state.gov/travel/cbpmc/cbp...
Do I need a passport to travel to Canada from the US? All United States citizens, including foreign nationals, traveling by air, land, or sea to Canada must present a passport book, passport card, or other Western Hemisphere Travel Initiative compliant document in order to enter the country or to re-enter the US.