Learn About ID Requirements for Air Travel

Understanding Federal ID Requirements for Domestic Air Travel

The Transportation Security Administration (TSA) sets the rules for what forms of identification passengers must show before boarding domestic flights in the United States. These requirements exist to verify that the person boarding the plane is the same person who purchased the ticket. Since September 11, 2001, all passengers have been required to present a valid form of identification to TSA agents at airport security checkpoints.

For domestic flights, the TSA accepts a wide range of identification documents. A valid driver's license or state ID card is the most common choice and what most travelers use. A U.S. passport is also widely accepted. Military members can use a military ID card. Native Americans can show a tribal ID card issued by their tribe's government. People without a driver's license have several other options, which this guide explores in detail.

The key word here is "valid." An ID document must not be expired to work at security. TSA agents check the expiration date on your ID before you board. If your driver's license expired last month, you cannot use it. However, there is a grace period for Real ID driver's licenses, which is discussed in a later section of this guide.

Understanding these requirements before you arrive at the airport helps you move through security faster and avoid delays. Knowing what documents TSA will and will not accept prevents frustration and confusion at the checkpoint. Many travelers arrive unprepared and face problems that could have been avoided with basic information.

Practical Takeaway: Before your flight, check that your ID is valid and not expired. Bring the original physical document to the airport—photos or digital copies on your phone are not enough for TSA. Arrive at the airport with time to spare in case there are questions about your identification.

Acceptable Forms of Identification for Domestic Flights

The TSA maintains an official list of documents that meet federal requirements for domestic air travel. A valid driver's license issued by any U.S. state or territory is the most straightforward option. This includes licenses from all 50 states, Washington D.C., Puerto Rico, Guam, and the U.S. Virgin Islands. Your license does not need to be a Real ID-compliant license for domestic flights, though that is changing in 2025, as discussed later in this guide.

U.S. passports work at TSA checkpoints for domestic flights. This includes both the traditional passport booklet and the newer passport card, which is a credit-card-sized document. A U.S. passport is especially useful for travelers who frequently fly internationally, since you will have it with you anyway. Passport books remain valid for 10 years for adults and 5 years for children under 16.

Military personnel can present a military ID card, which is issued by the Department of Defense. This includes active duty, retired, and reserve military members. Family members of military personnel do not qualify to use a military ID for this purpose—they need their own driver's license or passport. Veterans without a military ID card will need to use a standard driver's license or passport.

Other accepted forms include tribal ID cards issued by federally recognized American Indian tribes, passport cards, enhanced driver's licenses that have a passport symbol, and federal employee ID cards. Some states issue enhanced driver's licenses that can be used for both domestic air travel and border crossings into Canada and Mexico. Oregon, Washington, Vermont, New Mexico, Delaware, New York, and several other states offer enhanced licenses.

Permanent Resident Cards, commonly called green cards, are accepted. These cards are issued by U.S. Citizenship and Immigration Services (USCIS) to lawful permanent residents of the United States. A Trusted Traveler program card, such as Global Entry, TSA PreCheck, NEXUS, or SENTRI, also works at TSA checkpoints for domestic flights.

Practical Takeaway: Choose whichever valid ID you have that is easiest to carry and is not expired. You do not need a passport for domestic travel—a state driver's license works just fine and is what most Americans use. Keep your ID in an easy-to-reach location at the airport so you can show it quickly at security.

Real ID Compliance and the 2025 Deadline

Real ID is a federal security standard set by Congress in 2005. It created minimum security features that all state driver's licenses and ID cards must include to be used for federal purposes, such as boarding domestic flights. Real ID compliance has been gradually rolled out since 2008, but the deadline to have a Real ID-compliant license has been extended multiple times.

As of May 7, 2025, all passengers flying domestically must present either a Real ID-compliant driver's license, a passport, military ID, or another approved document. After this date, an older-style driver's license that is not Real ID-compliant will not be accepted at TSA security checkpoints for domestic flights. This affects people who have not yet upgraded their licenses.

Real ID-compliant licenses include specific security features that are harder to fake. They typically have a star or other marking in the upper right corner, though the exact symbol varies by state. Some states may use different visual indicators. If you are unsure whether your license is compliant, you can check your state's DMV website. Most state websites have a section explaining which licenses are Real ID-compliant and which are not.

Obtaining a Real ID-compliant license requires visiting your state's Department of Motor Vehicles in person. You cannot renew by mail or online and receive a Real ID license. You will need to bring proof of identity, proof of a Social Security number, and proof of your current address. Many DMVs require appointments, especially in busy states. Some have long wait times, so it is wise to plan ahead rather than waiting until the last minute.

The good news is that a standard passport, passport card, military ID, tribal ID, or Trusted Traveler card still works after May 2025, even if your driver's license is not Real ID-compliant. You have options beyond just getting a new driver's license. However, if a driver's license is your primary form of ID, you will need to upgrade it to a Real ID-compliant version or use a different document.

Practical Takeaway: Check your driver's license now to see if it has a Real ID indicator, usually a star in the corner. If it does not, you have until May 2025 to get one. If you travel infrequently and do not want to visit the DMV, consider getting a U.S. passport instead—it works for domestic flights and is useful for international travel too. Schedule a DMV appointment early rather than waiting until 2025, when demand will be high.

What Happens If Your ID Is Expired or Invalid

If your ID is expired, TSA will not accept it at a security checkpoint. This is a strict rule with no exceptions. An expired driver's license, even if it expired yesterday, cannot be used to board a flight. An expired passport cannot be used either. TSA agents are trained to check expiration dates and will turn away any passenger with expired identification.

If you arrive at the airport and realize your ID is expired, you have a few options, none of them ideal. You can attempt to work with TSA to verify your identity through other means, though this is uncommon and TSA does not guarantee it will work. You would need to be questioned by TSA officers and they might ask for additional documents like credit cards or other supporting materials. Even if they believe you are who you say you are, they may still deny you boarding.

The better approach is to renew your ID before traveling. You can visit your state's DMV website to find out how to renew a driver's license or state ID. Most states allow online renewal for people whose licenses are only slightly expired or expiring soon. Some states mail new licenses to your home. Rush options are also available in many states if you are willing to pay an extra fee, though this can take several days at minimum.

Lost or stolen IDs present another problem. If your wallet is stolen at the airport, you will not be able to board your flight that day. You may need to rebook your flight for another day and take steps to replace your ID. Some TSA PreCheck members have reported being able to board with TSA PreCheck verification if their physical card is with them, but this is not a reliable solution.

It is a common mistake to assume that an expired ID is "close enough" or that TSA will make an exception. They will not. Plan