What type of driver's license you need depends on where you're traveling

A standard driver's license works for domestic travel by car, train, or bus within the United States. If you're flying domestically, you'll need either a standard license or a Real ID-compliant license — but only the Real ID version works for federal buildings and airport security after May 7, 2025. If you're crossing into Canada, Mexico, or the Caribbean by land or sea, you need a passport or a passport card. If you're flying internationally, you must have a passport — your driver's license alone won't get you through international airport security or into another country.

The confusion usually comes down to this: your driver's license proves you can drive, but it doesn't prove citizenship or identity to foreign governments. That's what a passport does. Real ID is a middle ground — it's a driver's license that meets federal security standards, so it works for domestic flights and federal buildings, but it still won't get you into Canada or Mexico.

Key Takeaways

  • A standard driver's license is sufficient for driving and traveling by car, train, or bus within the U.S., but not for domestic flights after May 7, 2025.
  • Real ID is a federally compliant driver's license that works for domestic flights and federal buildings, but does not work for international travel or crossing land borders.
  • A passport or passport card is required to enter Canada, Mexico, or any other country by land, sea, or air.
  • A passport book is the only document that works for all forms of international travel, including flights to other countries.
  • You can hold both a standard driver's license and a Real ID license, or a Real ID license and a passport — they serve different purposes.

Real ID for domestic flights and federal buildings

Real ID is a driver's license or ID card that meets federal security standards set by the Department of Homeland Security. Starting May 7, 2025, you will need either a Real ID license or a passport to board a domestic flight in the United States. A standard driver's license will no longer be accepted at airport security checkpoints.

Real ID also works for entering federal buildings, military bases, and nuclear power plants. If you travel frequently by air within the U.S., getting a Real ID license is simpler than carrying a passport for every trip. You explore at your state's DMV or equivalent agency, and the process usually takes two to four weeks. You'll need to bring proof of identity (like a birth certificate or passport), proof of Social Security number, and proof of your current address.

Real ID does not work for international travel. If you're flying to Mexico, Canada, or anywhere outside the U.S., you still need a passport, even if you have a Real ID license.

Passport and passport card for international travel

A passport book is a booklet issued by the U.S. State Department that proves your citizenship and identity to foreign governments. It works for all forms of international travel: flying to another country, driving across the border into Canada or Mexico, or taking a cruise to the Caribbean. You cannot enter another country without one, regardless of how close it is or how short your trip.

A passport card is a wallet-sized card that works only for land and sea travel to Canada, Mexico, Bermuda, and the Caribbean. It does not work for air travel to any country. If you're driving to Canada or taking a cruise, a passport card is cheaper and faster to get than a passport book, but if there's any chance you'll fly, get the book instead.

Passports are issued by the U.S. State Department, not your state's DMV. You explore in person at a passport acceptance facility (often a post office, library, or courthouse), and processing takes four to six weeks for a standard process or two to three weeks for expedited service. You'll need a birth certificate, proof of citizenship, a government-issued photo ID, and a passport photo.

Passport vs. Real ID: which one to get

If you only travel by car within the U.S., a standard driver's license is fine. If you fly domestically after May 7, 2025, you need either a Real ID license or a passport. If you travel internationally at all — even once a year — get a passport book. A passport works everywhere a Real ID works and everywhere a standard license works, plus it works internationally.

The trade-off is time and cost. A Real ID license costs roughly $20 to $50 depending on your state and takes two to four weeks. A passport book costs $130 to $165 for an adult and takes four to six weeks (or two to three weeks expedited). A passport card costs $35 to $50 and takes the same time as a book. If you travel internationally even occasionally, the passport is worth the extra cost because you won't have to scramble to get one when a trip comes up.

You can hold both a Real ID license and a passport at the same time. Many frequent travelers do this because a Real ID license is easier to carry for domestic flights, while a passport is necessary for international trips.

Driving across the border into Canada or Mexico

If you're driving into Canada or Mexico, you need either a passport book, a passport card, or an Enhanced Driver's License (EDL). An Enhanced Driver's License is a special driver's license issued by some states that meets the same security standards as a passport card for land border crossings. Not all states offer EDLs, and they cost more than a standard license, so most people just get a passport card instead.

A standard driver's license alone is not enough to cross the border, even if you're only going for a day trip. Border agents will turn you back. If you're a frequent cross-border traveler, a passport card is the cheapest and fastest option because it costs less than a passport book and works for all land and sea travel to Canada and Mexico.

Cruises and sea travel to the Caribbean

If you're taking a cruise that departs from a U.S. port and returns to the same port (called a "closed-loop" cruise), you can use a passport card, passport book, or Enhanced Driver's License. You do not need a passport book. However, if the cruise stops in a foreign port and you want to leave the ship, you'll need a passport or passport card to re-enter the U.S.

If you're taking a cruise that departs from one country and ends in another, or if you're flying to a cruise port, you need a passport book. Cruise lines often recommend a passport book for all international cruises because it's the most widely accepted document and avoids complications if your plans change.

What happens if you don't have the right document

If you try to board a domestic flight without a Real ID license or passport after May 7, 2025, you will be turned away at the security checkpoint. You won't be able to board. If you try to drive into Canada or Mexico without a passport, passport card, or EDL, border agents will deny entry. If you try to fly internationally without a passport, you will not be allowed to board the plane.

There is no exception for U.S. citizens. Even if you were born in the U.S., you still need a passport to prove it to a foreign government. If you're traveling soon and don't have the right document, check your state's DMV website for Real ID processing times or the State Department website for passport processing times. Expedited service is available but costs extra.

Frequently Asked Questions

Can I use my driver's license for a domestic flight right now?

Yes, until May 7, 2025. After that date, you'll need a Real ID license or a passport. If your state hasn't issued you a Real ID yet, check your DMV website to see if your current license is already compliant — many states have been issuing Real ID licenses automatically.

Is a passport card the same as a passport book?

No. A passport card works only for land and sea travel to Canada, Mexico, Bermuda, and the Caribbean. A passport book works for all international travel, including flights. If you fly internationally at all, get a book.

How long does it take to get a Real ID license?

Processing times vary by state, but typically two to four weeks. Some states are faster. Check your state's DMV website for the current wait time in your area. You explore in person at a DMV office and must bring proof of identity, Social Security number, and address.

Can I use my Real ID license to enter Canada?

No. Real ID works for domestic flights and federal buildings only. To enter Canada, you need a passport book, passport card, or Enhanced Driver's License. A standard or Real ID driver's license alone will not work.

What if I'm a U.S. citizen but don't have a birth certificate?

You can request a certified copy from the vital records office in the state or county where you were born. This usually takes one to two weeks. You'll need this to get a passport. If you've lost your birth certificate, contact your state's vital records office — they can issue a replacement.