What Is TSA PreCheck and How Does It Work?

Updated September 2026 · Vacation Checklists

TSA PreCheck is a five-year membership that puts you in a faster, simpler security lane at US airports. You keep your shoes, belt, and light jacket on, and your laptop and quart bag of liquids stay inside your carry-on instead of coming out into a bin. You pay a single nonrefundable application fee that covers the full five years, the amount depending on which approved enrollment provider you use, and you apply online, then visit an enrollment center for a ten-minute appointment with fingerprints and ID.

Once you're approved, TSA issues you a Known Traveler Number (KTN). You type that number into your airline reservations, "TSA PRE" prints on your boarding pass, and you use the shorter lane. That's the whole thing.

PreCheck lets more stay inside your bag, which only helps if what's in the bag is allowed in the first place. Check any item in seconds with our free Can I Bring It? checker.

Updated September 2026. TSA PreCheck is run by the Transportation Security Administration. Fees, eligibility rules, participating airlines, and screening procedures all change over time, and the officer at the checkpoint always has the final say. Confirm current details at tsa.gov/precheck before you pay anything.

A note on numbers. No dollar figures on this page. The PreCheck application fee is a government fee collected by competing approved enrollment providers who do not all charge the same amount, and it is revised on its own schedule, so a figure printed here would send some readers to the wrong provider and all of them to a stale number. What you get instead is what the fee buys, what makes one provider cheaper than another, the per-screening math worked as fractions so it holds at any fee, and where to read today's amount in one click.

What TSA PreCheck Actually Changes at the Checkpoint

PreCheck isn't a fast pass to the gate and it isn't a security exemption. You're still screened. You're just screened under a lighter procedure, in a separate lane, with fewer people in it.

Here's the practical difference, side by side:

Count the actions in that middle column. Six or seven separate motions, standing up, in front of a queue. The PreCheck column is usually "put the bag on the belt and walk." That's where the time comes from, and it's why PreCheck feels dramatically better even on a day when both lines look the same length.

Two honest caveats before you get excited:

• The 3-1-1 liquid limits still apply. Your liquids don't get bigger because you have PreCheck. They just get to stay in the bag. Our TSA liquid rules guide covers the sizes that actually pass.
• Prohibited items are still prohibited. PreCheck doesn't change what you may carry, only how you're screened. A multi-tool gets pulled out of a PreCheck bag exactly like any other.

How TSA PreCheck Works, Step by Step

The process has five stages, and only one of them requires you to leave the house.

1. Pre-enroll online. Start at tsa.gov and pick one of the approved enrollment providers. TSA has added providers beyond the original one, and their fees, locations, and appointment availability differ a little. The online form takes about five minutes and asks for your name, address history, date of birth, and citizenship.
2. Book an in-person appointment. Enrollment centers sit inside airports, office parks, pharmacies, and shipping stores. Appointments are usually available within days at most locations, though this varies hugely by city.
3. Attend the appointment. It runs about ten minutes. You get fingerprinted, you show your documents, and you pay. A valid US passport proves both identity and citizenship on its own, which makes it the easiest single document to bring. A driver's license plus a birth certificate also works.
4. Wait for your KTN. TSA's published guidance says most applicants get an approval decision in three to five days, though some applications take up to 60 days. Yours arrives by email or you look it up on TSA's status page.
5. Add the KTN to your reservations. This is the step people forget, and without it nothing happens. Put the number in your airline frequent flyer profile so it auto-fills, and add it manually to any booking you made before you were approved.

The name on your airline booking has to match your enrollment record. Not "close enough." If you enrolled as Jonathan and you book as Jon, the system may not match you, and the PreCheck marking won't print. Same for date of birth and gender. This single mismatch causes most of the "I paid and it doesn't work" complaints. The same problem at the ID check is covered in our guide on what to do when the name on your ticket does not match your ID.

Once your KTN is on the booking, look for "TSA PRE" or "TSA PreCheck" printed on the boarding pass, usually near the top. No marking, no lane, even if you're a member. Check it when the boarding pass is issued, not when you're standing at the podium.

What TSA PreCheck Costs, and How to Work Out Your Own Number

The fee is charged once and covers five years. It's nonrefundable whether or not you're approved, so read the eligibility section below before you pay.

Here is what you are actually choosing between, and what moves the number in each case.

Two things to check before you pay. First, TSA publishes the current application fee on tsa.gov, and each approved enrollment provider publishes its own on its enrollment page. Read both, because the provider you happen to click first is not necessarily the cheapest one. Second, confirm whether a credit card in your wallet already reimburses the application fee. A large number of travel cards cover PreCheck or Global Entry as a statement credit once every four or five years, which makes the effective cost nothing at all.

Worked example: your real cost per screening

Fees change, so do this as a fraction of whatever you end up paying and the answer stays right forever.

Say you take six round trips a year. That's twelve airport departures a year, or 60 departures over a five-year membership.

• 6 round trips a year, 60 departures: each screening costs one sixtieth of the membership fee
• 2 round trips a year, 20 departures: one twentieth of the fee per screening
• 1 round trip a year, 10 departures: one tenth of the fee per screening

At anything above a couple of round trips a year, the per-screening share drops to less than a cup of airport coffee, and money stops being the deciding factor.

Now put your own time value on it. If the lighter procedure saves you eight minutes on a typical departure, the six-trips-a-year flyer saves 480 minutes, or eight hours, across the membership. Divide the one-time fee by those eight hours, compare the result to what an hour of your own time is worth, and remember that it's eight hours of the worst kind of standing-in-line time.

That eight-minute figure is an assumption, not a published statistic. Wait times swing wildly by airport, terminal, day, and hour, and there's no honest single number. Plug in whatever saving you actually see at your home airport, and be aware that a small airport with a closed PreCheck lane saves you nothing at all that morning.

The rough break-even: if you fly two or more round trips a year out of a decent-sized US airport, PreCheck pays for itself in aggravation alone. Fly once every two years and it's a luxury.

Who Can Get TSA PreCheck, and Who Gets Denied

Eligibility is narrower than people assume. TSA PreCheck is open to US citizens, US nationals, and lawful permanent residents. If you hold another nationality and live in the US on a visa, you generally can't enroll in PreCheck directly, though some people in that situation qualify for Global Entry through a partner-country arrangement. Check the current lists on the official sites rather than assuming. If you hold US and another citizenship, our guide to dual citizenship and which passport to use covers the border side.

There's no minimum credit score, no travel history requirement, and no income test. What TSA is actually screening for is criminal and immigration history.

TSA publishes a list of disqualifying offenses, split into two groups:

• Permanently disqualifying: the most serious categories, including espionage, terrorism, sedition, treason, and murder.
• Temporarily disqualifying: a longer list of felonies that block you for a set number of years after conviction, release, or the want or warrant being resolved.

Beyond that list, an application can be refused for falsifying information on the form, for outstanding wants and warrants, or on the basis of other information that shows up in the vetting. Fill the form in honestly and completely. An omission you thought was helpful is worse than the thing you omitted.

If you're denied, TSA has an appeal and redress process, and there's a separate DHS redress program (TRIP) for travelers who believe they've been repeatedly misidentified. Neither is instant, but both exist and both are free to start.

One common misunderstanding: being routed to the standard lane occasionally is not a denial and doesn't mean anything is wrong. TSA deliberately randomizes eligibility so that the lane is never fully predictable. It's uncommon, and it's by design.

The Free and Reimbursed Routes Most People Miss

A surprising number of travelers pay out of pocket for something they could get free.

Active-duty military and DoD personnel. Members of the US Armed Forces, including reserves and National Guard, generally get PreCheck benefits at no cost by entering their DoD ID number as their Known Traveler Number in reservations. Cadets, midshipmen, and Department of Defense civilian employees have historically been covered under the same arrangement. Nothing to apply for and nothing to pay.

Federal employees under HSPD-12. Employees of a number of federal agencies, including DHS and the Coast Guard, are eligible through their agency rather than through a public application.

Credit card statement credits. A large number of travel rewards cards reimburse a PreCheck or Global Entry application fee, typically once every four years or so. If you hold one, your effective cost is zero. Two things to check: whether the credit covers the full Global Entry fee (many do, which means you may as well apply for the program that includes PreCheck), and whether you can use your card to pay for a family member's application and still get the credit. Terms differ card to card.

Employers and benefit accounts. Plenty of companies reimburse it for anyone who travels for work, and it's often buried in a policy nobody reads. Ask before you pay. Our business trip packing list covers the rest of what makes work travel less painful.

Two warnings. Pay TSA's approved enrollment provider directly. Third-party sites offer to "help" with your application and charge a markup for typing a form you can complete yourself in fifteen minutes. And if you already hold Global Entry, do not buy PreCheck. You already have it.

PreCheck vs Global Entry vs CLEAR, Quickly

These three get confused constantly, and the confusion costs people real money.

The single most useful sentence here: Global Entry includes PreCheck, and CLEAR replaces neither. CLEAR walks you to the front of the ID-check queue and then hands you back to whatever screening lane you're entitled to. Buying CLEAR instead of PreCheck is the expensive mistake in this category.

If you fly internationally even once in five years, Global Entry is usually the better buy for a modest step up in fee. Our full breakdown of TSA PreCheck vs Global Entry has the comparison, the interview workarounds, and the Enrollment on Arrival trick that skips the appointment queue.

Renewing TSA PreCheck

Membership runs five years from approval. TSA emails reminders as the date approaches, but those emails get filtered, so put the expiry date in your calendar with a six-month warning the day you're approved.

How it generally works:

• You can renew online in most cases, usually starting several months before expiry, and online renewal typically costs less than a fresh enrollment.
• Renewing online usually means no second trip to an enrollment center, since your fingerprints are already on file.
• Your KTN normally stays the same after renewal, so you don't have to update every airline profile.
• TSA has offered an auto-renewal option for some members. If you'd rather not think about it again, look for that when you enroll or renew.
• If your membership lapsed a long time ago, you may be pushed back to in-person enrollment.

Renewal rules and the exact windows have changed more than once, so check your own status and options on tsa.gov rather than relying on what a friend did three years ago.

Don't wait until the week of a trip. An expired KTN silently stops working and the first you'll know about it is a boarding pass with no PreCheck marking on a morning you're already late.

Troubleshooting: My Boarding Pass Doesn't Say TSA PreCheck

Work down this list in order. One of these is almost always the answer.

1. The KTN isn't on the booking. Having a KTN and having it in a reservation are two different things. Check the passenger details on the reservation itself, not just your frequent flyer profile.
2. The name doesn't match. Middle name, hyphenated surname, suffix, a nickname. Your booking should match your enrollment record exactly. This is the number one cause.
3. Date of birth or gender is wrong in the booking. Same matching problem, less obvious.
4. You added it too late. Add the KTN at least 72 hours before departure so the boarding pass generates correctly. Adding it at the gate rarely helps.
5. The airline doesn't participate. Most major US carriers and many international ones do, but not all. On a non-participating airline your KTN does nothing.
6. Your membership expired. Check the status lookup on tsa.gov.
7. You were randomized out. Occasionally, and by design. Nothing to fix.
8. The airport or lane doesn't have PreCheck open. Smaller airports staff the dedicated lane only during peak banks. At off-peak hours it may be closed and everyone funnels into one line.

If the marking is missing and you can't fix it before you leave, just go stand in the standard line and give yourself the extra time. Arguing at the podium won't produce a lane that isn't open. Our guide on how early to arrive at the airport has the cutoffs that actually determine whether you make the flight.

What TSA PreCheck Doesn't Do

Setting expectations properly is the difference between a good purchase and a disappointed one.

• It doesn't skip the ID check. You show your ID and boarding pass like everyone else, in the same document line. That's the job CLEAR does.
• It doesn't help you at customs. Coming home from abroad, PreCheck does nothing. That's Global Entry.
• It doesn't work outside the United States. Foreign checkpoints run their own rules and their own procedures, and many will still want your shoes off and your laptop out.
• It doesn't exempt you from the liquid limits or the prohibited items list.
• It doesn't guarantee a short line. So many travelers have PreCheck now that at a few very busy hubs the standard lane occasionally moves faster at peak hour. Look at both before committing.
• It doesn't cover a lane that's closed. Plan your timing as if the lane might not be open, because sometimes it isn't.
• It doesn't get you priority boarding, lounge access, or anything past the checkpoint. For that, see our guide to airport lounge access.

None of that makes PreCheck a bad buy. It just means the benefit is specific: a lighter screening procedure in a shorter line, when the lane is open, at US airports.

Traveling With Kids on PreCheck

Children 12 and under can generally go through the PreCheck lane with an enrolled parent or guardian, with no membership of their own. Teens aged 13 to 17 can typically come along too when they're on the same reservation and the boarding pass shows the PreCheck marking. Age 18 and over needs their own membership.

This rule has been adjusted before, so confirm it on tsa.gov in the year you're flying rather than trusting a forum post from 2019.

Two practical notes for families:

• Everyone has to be on the same reservation for the marking to carry across. Separately booked tickets often break it.
• Strollers and car seats still go through the X-ray or get hand-inspected, PreCheck or not.

If you're flying with small children, the lighter divest procedure is worth more than the shorter line. Not unpacking a laptop while holding a toddler is the actual benefit. Our guides to flying with a toddler and the family vacation packing list cover the rest.

So, Is TSA PreCheck Worth It?

Short version by traveler type:

• Two or more round trips a year, domestic only? Yes. Get PreCheck.
• Any international travel at all in the next five years? Get Global Entry instead. It includes PreCheck for a modest step up in fee.
• A credit card that reimburses the fee? Then it's free, so get Global Entry and stop thinking about it.
• Active-duty military or DoD? You likely already have it. Put your DoD ID number in your reservations.
• One trip every couple of years out of a small airport? Probably not worth it. Pack for the checkpoint instead, and read our airport security tips to get most of the speed for free.
• Family of four flying twice a year? Enroll the adults. The kids ride along.

The application takes fifteen minutes and the appointment takes ten. The waiting is the part you can't compress, so if you want this before your next big trip, start now rather than the month before.

Frequently Asked Questions

How much does TSA PreCheck cost?

You pay one application fee that covers a five-year membership, and the exact amount depends on which approved enrollment provider you choose, since TSA has more than one and they do not all charge the same. Online renewal costs less than a new enrollment. The fee is nonrefundable whether or not you're approved. Government fees change, so read the current amount on tsa.gov and on the provider's own enrollment page before you apply, and check whether one of your credit cards reimburses it.

How long does it take to get TSA PreCheck?

TSA's published guidance says most applicants get a decision in three to five days, though some applications take up to 60 days. The in-person appointment itself is about ten minutes, and getting an appointment slot is usually days rather than months. Global Entry is the one with the long interview queue, not PreCheck.

Is TSA PreCheck worth it?

If you take two or more round trips a year from a US airport, yes. At six round trips a year the one-time fee spreads across 60 airport departures, so each screening costs a sixtieth of it, and the lighter divest procedure saves real time and real hassle. If you fly internationally at all, buy Global Entry instead, since it includes PreCheck.

What is a Known Traveler Number?

It's the number TSA issues when you're approved, and it's what links your membership to a specific reservation. You add it to your airline profile and to each booking, and the airline passes it to TSA when your boarding pass is generated. If you have Global Entry, your PASSID is your KTN.

Do kids need their own TSA PreCheck?

Children 12 and under can generally use the PreCheck lane with an enrolled parent or guardian. Teens 13 to 17 can usually come along on the same reservation when the PreCheck marking appears on the boarding pass. Anyone 18 or over needs their own membership.

Why doesn't my boarding pass say TSA PreCheck?

The most common cause is a name mismatch between your booking and your enrollment record, followed by the KTN simply not being saved on that reservation. Also check that your membership hasn't expired and that your airline participates. TSA also randomizes eligibility occasionally, so one missing marking isn't a problem.

Can non-US citizens get TSA PreCheck?

PreCheck enrollment is open to US citizens, US nationals, and lawful permanent residents. Some travelers who don't qualify for PreCheck directly can obtain it through Global Entry or another trusted traveler program if their country participates. Check the current eligibility lists on the official sites before applying.

Does TSA PreCheck mean I can bring more liquids?

No. The 3-1-1 container limits apply the same way in both lanes. The only difference is that your quart bag normally stays inside your carry-on rather than coming out into a bin. Check any specific item with our Can I Bring It? checker before you pack it.

Do I still have to take my shoes off with PreCheck?

No, PreCheck travelers have always kept their shoes on, and TSA ended the routine shoe removal requirement for standard screening in July 2025 as well. An officer can still ask you to remove them if something alarms. Other countries set their own rules, so expect to take them off at some foreign checkpoints.

Next step: check anything questionable with the free Can I Bring It? checker, read TSA PreCheck vs Global Entry before you pay so you buy the right one, and use our airport security tips to move faster in whichever lane you end up in.