What ID do you need to fly internationally?

A passport is required for all international travel. If you're traveling anywhere overseas, you need a passport to board an international flight and to enter the country. Passport cards will not be accepted as form of I.D. for international air travel.



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All travelers must have a passport book for international air travel. Please note that hospital-issued birth certificates, voter registration cards, and affidavits cannot be used. If you were not born in the United States, you can use your original Naturalization Certificate or Certificate of Citizenship.

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Can You Fly Internationally Without an ID? Though you can possibly fly domestically without an ID, this isn't possible if you're going to be flying internationally. Even if you get through the airport security checkpoint by passing the identity verification process, you still won't be able to board your flight.

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Beginning May 7, 2025, every air traveler 18 years of age and older will need a REAL ID-compliant driver's license, state-issued enhanced driver's license, or another acceptable form of ID to fly within the United States.

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8 tips for first-time international travelers
  1. Check your documents.
  2. Consider signing up for a travel rewards card.
  3. Give yourself a long booking runway.
  4. Be selective about lodging.
  5. Consider the not-so-common essentials.
  6. Pack right for the flight.
  7. Give a heads up to your credit card issuer.
  8. Make the clock your friend.


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You can usually board a flight with a federal or state-issued ID. However, if the photo ID is your expired passport, you can still bring it along. But you will need to back up your identity with other documents, leaving you at the mercy of the TSA.

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Three Ways to Check In
  1. Passport (when traveling internationally)
  2. Flight information. Paper ticket (less and less common), OR. E-ticket with a confirmation number—usually sent via email if ticket is purchased online or through a travel agency, OR. Printed itinerary with a confirmation number.


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When you're traveling outside of the United States, we suggest arriving at least 3 hours prior to your departure. You must be checked in at least 1 hour before your scheduled departure. Additionally, we recommend being at the gate and ready to board 45 minutes before your scheduled departure time.

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All U.S. citizens need U.S. passport books if re-entering by air. Land and sea border crossings accept additional travel documents, such as U.S. Passport cards and Trusted Traveler cards. Child travelers have additional options - see the Traveling with Children section.

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A valid passport book is required to enter Mexico by air, and those attempting to enter at an airport with a U.S. passport card only may be denied admission.

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At a Glance: Yes, you need a passport to go to Cancun, Mexico from the United States. When traveling by air, a valid passport is required, along with a completed Multiple Migratory Form (FMM).

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U.S. citizens are generally required to present a valid U.S. passport when traveling to The Bahamas, as well as proof of anticipated departure from The Bahamas. Those traveling to The Bahamas on a cruise may use another Western Hemisphere Travel Initiative (WHTI) compliant document.

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The TSA officer may ask you to complete an identity verification process which includes collecting information such as your name, current address, and other personal information to confirm your identity. If your identity is confirmed, you will be allowed to enter the screening checkpoint.

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The application fee for TSA PreCheck® is $78 for 5 years. Before you apply, we recommend that you review the various DHS trusted traveler programs, such as the TSA PreCheck® Application Program, Global Entry, NEXUS, or SENTRI, to ensure you meet the eligibility requirements and determine the best program for you.

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Beginning May 3, 2023, U.S. travelers flying within the United States will need to show Transportation Security Administration agents either a security-enhanced driver's license that's Real ID-compliant or another T.S.A.-approved form of identification like a passport.

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Wear clothing and shoes without metal, and be ready to remove your belt if it has a metal buckle. Tuck large metal jewelry pieces into your carry-on bag before you go through the security checkpoint. Put change and keys into your carry-on or empty your pockets into a plastic bin when you arrive at the checkpoint.

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