PASSPORTOFFICES

Passport answers

Real answers to the most common U.S. passport questions. Every answer is sourced from official government data and reviewed against the latest State Department guidance.

Travel requirements

Travel requirements

What is the six-month passport validity rule?

The six-month rule means some countries require your U.S. passport to be valid for at least six months after your planned departure date. If your passport expires too close to your return, airlines may deny boarding and border officials may refuse entry even though the U.S. allows you to hold a passport until its expiration date.

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Travel requirements

Do I need a passport to go to Mexico?

Yes. Flying to Mexico requires a valid U.S. passport book — there are no exceptions for air travel. If you cross by land or sea, you can use a passport book, a passport card, or another WHTI-compliant document such as an Enhanced Driver's License or a trusted traveler card (SENTRI, Global Entry, or NEXUS).

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Travel requirements

Do I need a passport to go to Canada?

Yes for air travel — a valid U.S. passport book is required to fly to Canada. For land and sea crossings, U.S. citizens can also use a passport card, an Enhanced Driver's License, or a NEXUS card. Children under 16 crossing by land or sea can generally use a birth certificate instead.

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Travel requirements

Do I need a passport for a cruise?

It depends on the itinerary. On a closed-loop cruise — one that starts and ends at the same U.S. port — U.S. citizens can often sail with a government photo ID plus a certified birth certificate instead of a passport. However, the U.S. Department of State strongly recommends a passport book, because without one you cannot fly home from a foreign port in an emergency.

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Children

Requirements