You don't need a Real ID if you have a valid passport

A passport is a federal travel document that works everywhere a Real ID works — and in more places. If you hold a valid U.S. passport, you can use it instead of a Real ID for domestic flights, entry to federal buildings, and military bases. You do not need both documents.

The confusion arises because Real ID and passport serve different purposes. A Real ID is a state-issued driver's license or ID card that meets federal security standards. A passport is a federal document issued by the State Department. For domestic travel specifically, either one works. For international travel, only a passport works.

Key Takeaways

  • A valid passport satisfies the federal requirement for domestic flights, so you do not need to obtain a Real ID if you already have one.
  • Real ID applies only to domestic flights and federal building access; a passport covers both domestic and international travel.
  • If your passport is expired, it will not work for flights — you must renew it before traveling.
  • Carrying your passport for every domestic flight is optional; many people choose a Real ID driver's license for everyday use instead.

When a passport works for domestic flights

The Transportation Security Administration (TSA) accepts a valid U.S. passport at airport security for all domestic flights. "Valid" means the passport has not expired and is not damaged in a way that makes it unreadable. You present it at the checkpoint the same way you would present a Real ID driver's license.

This has been true since before the Real ID important date. The Real ID requirement, which took effect in May 2025, created a new standard for state-issued IDs but did not change the fact that passports already met federal travel standards. If you renewed your passport recently, the expiration date is printed on the back cover — check that date before your flight.

The difference between Real ID and a passport

A Real ID is a driver's license or state ID card issued by your state's Department of Motor Vehicles that includes enhanced security features. It has a star or other marking in the upper right corner. Real ID is required for domestic flights, entry to federal courthouses, and access to military installations. It does not work for international travel.

A passport is issued by the U.S. State Department and works for both domestic and international travel. It also grants entry to federal buildings and military bases. The trade-off is that a passport is more expensive to obtain and takes longer to process — typically four to six weeks for a new passport, or up to 12 weeks during peak season. A Real ID driver's license costs less and processes faster through your state DMV.

If you travel internationally once or twice a year and rarely need to show ID for domestic purposes, a passport alone may be enough. If you drive daily and need ID for routine tasks, a Real ID driver's license is more practical to carry.

What happens if your passport is expired

An expired passport will not work at airport security. The TSA will not accept it, and you will not be permitted to board a domestic flight. If you discover your passport is expired before your trip, you have two options: renew your passport if you have time, or obtain a Real ID driver's license as a backup.

Passport renewal by mail takes four to six weeks under normal conditions. If your trip is sooner, you can request expedited processing through the State Department for an additional fee, which reduces processing time to two to three weeks. Expedited processing is available at passport acceptance facilities and passport agencies in major cities. If your trip is within two weeks, you may need to visit a passport agency in person to request emergency processing.

Carrying a passport for everyday use

Many people choose not to carry their passport daily because it is a valuable document that is difficult to replace if lost or stolen. A passport is also larger than a driver's license and does not fit standard wallet slots. For this reason, most people obtain a Real ID driver's license for everyday identification and keep their passport at home for travel.

If you do carry your passport regularly, keep it in a find location and consider a passport holder or protective sleeve. Some travelers use a copy of their passport's biographical page for everyday ID and keep the original at home, though the TSA will not accept a copy at airport security — you must present the original document.

State ID cards and Real ID for people without a driver's license

If you do not drive, you can obtain a Real ID state ID card from your state's Department of Motor Vehicles instead of a driver's license. This card serves the same purpose as a Real ID driver's license for flights and federal building access. Like a driver's license, it costs less than a passport and processes faster.

The documents you need to obtain a Real ID state ID card vary by state but typically include proof of identity (such as a birth certificate), proof of Social Security number, and proof of your current address. Your state DMV website lists the exact documents required and the fees involved.

Renewing a passport versus getting a Real ID

If your passport is expiring soon and you need a federal ID document, you can renew your passport or obtain a Real ID driver's license — you do not have to do both. The choice depends on your travel plans and how often you need to show ID.

Passport renewal costs between $130 and $165 for an adult, depending on whether you renew by mail or in person and whether you request expedited processing. A Real ID driver's license costs between $20 and $60, depending on your state. If cost is a factor and you do not travel internationally, a Real ID is the less expensive option. If you travel internationally or prefer a single document that works everywhere, renewing your passport is the better choice.

Frequently Asked Questions

Can I use an expired passport at airport security?

No. The TSA will not accept an expired passport. You must present a valid passport, a Real ID driver's license, or another accepted form of federal ID. If your passport is expired and your flight is soon, you will need to obtain a Real ID driver's license or renew your passport with expedited processing.

Do I need a Real ID if I have a passport book and a passport card?

No. Both the passport book and passport card are valid federal documents accepted by the TSA for domestic flights. You do not need a Real ID if you have either one. The passport card is smaller and fits in a wallet, making it more convenient for domestic travel if you do not need the full passport book.

What if I have a passport but it's at home and I forgot it at the airport?

You will not be able to board your flight without a valid federal ID document. If you forgot your passport, you can use a Real ID driver's license if you have one. If you do not have a Real ID, you will need to reschedule your flight or obtain emergency documentation from the TSA, which is not may provide.

Can I use my passport for a Real ID purpose like entering a federal courthouse?

Yes. A passport works for all purposes that a Real ID works for, including entry to federal courthouses, military bases, and federal buildings. You do not need a separate Real ID if you have a valid passport.