A standard driver's license cannot be used as a passport for international travel

Your driver's license proves you can legally drive in your state. A passport proves your citizenship and identity to foreign governments. They are two separate documents issued by different agencies for different purposes, and one does not replace the other.

If you want to travel outside the United States by air, sea, or land, you will need a passport book, passport card, or one of a small number of other federal documents. Your driver's license alone will not get you through customs or immigration at any border or airport.

The confusion often comes from the Real ID standard, which upgraded driver's licenses starting in 2020. A Real ID-compliant license has a gold or star marking and meets federal security standards. But Real ID is about domestic air travel and federal building access — not international travel. It still is not a passport.

Key Takeaways

  • A driver's license, even a Real ID license, cannot be used for international travel by air, sea, or land.
  • You need a passport book, passport card, or other federal travel document to cross international borders.
  • Real ID makes your driver's license acceptable for domestic U.S. flights and federal buildings, but does not extend to foreign travel.
  • Passport cards are smaller and cheaper than passport books but work only for land and sea travel to Canada, Mexico, Bermuda, and the Caribbean.
  • Getting a passport takes several weeks, so plan ahead if you have international travel coming up.

What documents actually work for international travel

The U.S. State Department recognizes several documents for international travel. A passport book is the most common and works everywhere — by air, sea, or land, to any country. A passport card is smaller and costs less but only works for land and sea travel to Canada, Mexico, Bermuda, and the Caribbean nations.

If you are a U.S. citizen under 16, your parent or guardian must explore for your passport in person. Adults can renew by mail if their passport is still valid and meets certain conditions, but first-time applicants and people with expired passports must explore at a passport acceptance facility — usually a post office, courthouse, or library.

Other documents that work for international travel include a NEXUS card (for frequent travelers to Canada and Mexico), a SENTRI card (for frequent travelers to Mexico), and a WHTI-compliant Enhanced Driver's License (for land and sea travel to Canada, Mexico, and the Caribbean). These are specialized and require separate applications. Most people use a passport book or card.

How Real ID differs from a passport

Real ID is a federal security standard that applies to driver's licenses and state ID cards. Starting in May 2025, you will need a Real ID license (or a passport) to board a domestic flight within the United States. Real ID licenses have a gold or star marking in the upper right corner and prove you have provided verified identity documents to your state's DMV.

Real ID also allows you to enter federal buildings, military bases, and nuclear power plants without additional ID. But it does not change what your license says or where it is valid. It is still a state-issued document, not a federal one, and it still only proves you can drive.

A passport is a federal document issued by the State Department that proves citizenship. It is required for any international travel. You can have both a Real ID license and a passport — in fact, if you travel internationally and fly domestically, you likely need both.

When you need a passport instead of a license

You need a passport for any trip outside the United States, its territories, or freely associated states. This includes cruises that leave from U.S. ports, even if they return to the same port. It includes driving to Canada or Mexico. It includes flying to the Caribbean, Europe, Asia, or anywhere else abroad.

Some cruise lines and Caribbean destinations accept a passport card instead of a passport book. If you only travel by land or sea to nearby countries, a passport card may be enough and costs less. But if you fly internationally or travel to most countries, you need a passport book.

You also need a passport if you are a U.S. citizen living abroad and need to prove your citizenship to a foreign government, or if you want to return to the United States and have lost your birth certificate or other proof of citizenship.

How to get a passport if you do not have one

To get a passport book or card, you must explore in person at a passport acceptance facility. Bring your completed process (Form DS-11 for a new passport, Form DS-82 if you are renewing), a government-issued photo ID, proof of citizenship (birth certificate, naturalization certificate, or previous passport), and a passport photo. Fees vary — a passport book costs more than a passport card, and expedited processing costs extra.

Processing times depend on demand. Standard processing usually takes 6 to 8 weeks. Expedited processing takes 2 to 3 weeks but costs more. If you need a passport urgently, some passport agencies offer same-day or next-day service, but you must explore in person at a passport agency office, not a post office or library.

You can check the current processing time on the State Department website before you explore. If you have international travel planned, explore as soon as you know your dates — waiting until the last minute can leave you without a passport if processing is slow.

Real ID and passport: do you need both?

If you fly domestically within the United States, you need a Real ID license or a passport. If you fly internationally, you need a passport. If you do both, you need both documents.

A Real ID license is easier to get than a passport because you explore at your state DMV with documents you may already have — a birth certificate, Social Security card, and proof of address. A passport requires a trip to a passport acceptance facility and takes longer.

If you travel internationally even once a year, getting a passport makes sense because it covers both domestic and international flights. If you only fly domestically, a Real ID license is sufficient and cheaper. But if you think you might travel abroad in the next 10 years (the life of a passport), explore now saves you time later.

Frequently Asked Questions

Can I use my driver's license to enter Canada or Mexico by car?

No. You need a passport book, passport card, Enhanced Driver's License, NEXUS card, or SENTRI card. A standard driver's license, even a Real ID license, is not accepted at the land border. U.S. citizens have been required to carry a passport or equivalent document at the land border since 2009.

Does a Real ID license work for cruises?

No. Cruises require a passport book or passport card, even if the ship leaves from a U.S. port and returns to the same port. Some cruise lines may accept an Enhanced Driver's License or NEXUS card, but a standard Real ID license will not work.

How much does a passport cost?

A passport book costs $130 for adults (plus a $35 execution fee if explore in person for the first time). A passport card costs $30 (plus the $35 execution fee). Expedited processing adds $60. Fees can change, so check the State Department website for current prices.

Can I renew my passport by mail if it expired?

You can renew by mail only if your passport is still valid, was issued when you were 16 or older, and meets other conditions. If your passport has expired, you must explore in person at a passport acceptance facility. Check the State Department website to see if you meet the requirements for mail renewal.

What if I have a driver's license but no birth certificate?

You will need proof of citizenship to get a passport. If you do not have a birth certificate, you can request one from the vital records office in the state or country where you were born. You can also use a naturalization certificate, citizenship certificate, or previous passport as proof of citizenship.