If you're planning a trip and wondering whether you need a passport for Hawaii, here's the short answer: it depends entirely on where you're flying from. Hawaiʻi is a U.S. state, so the rules are different than you might expect for an island destination in the middle of the Pacific.
Flying from the U.S. mainland
If you're a U.S. citizen flying to Hawaiʻi from anywhere else in the United States, you do not need a passport. Hawaiʻi became the 50th state in 1959, and domestic flights to Honolulu, Kahului, Kona, or Lihue are treated exactly like flights between any other two U.S. states. You will need a valid, government-issued photo ID that meets REAL ID requirements (most U.S. driver's licenses and state IDs already qualify, but double-check yours if it hasn't been updated recently).
When you actually do need a passport
A passport becomes necessary in a few specific situations:
- You are not a U.S. citizen or permanent resident and are traveling internationally to reach Hawaiʻi.
- Your flight connects through a foreign country (for example, certain routes through Canada or the Pacific) before landing in Hawaiʻi.
- You plan to continue on from Hawaiʻi to another country, such as a cruise itinerary that includes international ports.
International visitors from Japan, Australia, Canada, and elsewhere are a huge part of Hawaiʻi's visitor economy, and for them a passport (often alongside an ESTA authorization or visa) is required just as it would be for entry to any other part of the U.S.
Agricultural inspection, not customs
One thing that surprises first-time visitors: even though no passport is needed for domestic travel, Hawaiʻi does have agricultural inspection at the airport. Because the islands are so ecologically isolated, officials check for fruits, plants, and other items that could introduce invasive species. It's a quick declaration process, not a passport check, but it's worth knowing about before you pack snacks from home.
For more on planning your trip, our Hawaiʻi travel guide collection covers everything from island-by-island itineraries to packing lists and cultural etiquette.
Bring the islands home: Explore our Islands & Places collection — original designs from our Native Hawaiian–owned studio in Kailua-Kona, Hawaiʻi. Here are a few of the newest additions:
Hawaii Ohana Family Tee — a family-first design celebrating the meaning of ʻohana.
Banyan Tree Lahaina Tee — honoring Maui's historic banyan and Lahaina's resilience.
Mauna Kea Stargazing Tee — inspired by the summit's world-famous night skies.