Understanding TSA PreCheck, CLEAR, and Global Entry

The Three Programs at a Glance

If you've seen signs for TSA PreCheck, CLEAR, or Global Entry at an airport and wondered what each one actually does, you're not alone. These programs serve different purposes, and combining them incorrectly — or signing up for the wrong one — can mean paying fees without getting the benefit you expected.

Here's the short version: TSA PreCheck lets eligible travelers use a dedicated, faster security lane without removing shoes, laptops, or liquids from bags. CLEAR replaces the ID-check step with biometric identity verification, letting you skip to the front of the ID queue — but you still go through a standard security screening unless you also have PreCheck. Global Entry speeds up customs and immigration re-entry when you return to the U.S. from abroad, and it includes TSA PreCheck as part of the membership.

These programs are additive, not interchangeable. Understanding what each one covers — and doesn't — helps you decide which combination makes sense for how you actually travel. This article is part of our end-to-end US travel planning guide.

TSA PreCheck: Faster Domestic Security

TSA PreCheck is administered by the Transportation Security Administration and is available at more than 200 U.S. airports across 100+ airlines. Approved members get a Known Traveler Number (KTN) that prints on boarding passes, flagging them for expedited screening lanes.

In a PreCheck lane, travelers keep shoes, belts, light jackets, laptops, and compliant liquids in their bags. This typically cuts security time significantly compared to standard lanes, though wait times vary by airport, time of day, and season — no program guarantees a specific wait.

Eligibility and Application

• Must be a U.S. citizen, U.S. national, or lawful permanent resident
• Must pass a background check and in-person appointment at an enrollment center
• Fee is set by TSA and varies by provider (enrollment is available through several TSA-authorized companies); check the TSA website for current pricing
• Membership is valid for five years, with renewal available online

PreCheck does not help with customs re-entry after international travel, and it does not replace the ID-verification step — that's where CLEAR comes in.

CLEAR: Biometric Identity Verification

CLEAR is a privately operated service that uses fingerprints or iris scans to confirm your identity at the airport ID checkpoint. Instead of handing a document to a TSA agent, a CLEAR staff member guides you through a biometric kiosk, verifies your identity automatically, and escorts you to the front of the document-check line.

The key distinction: CLEAR only handles identity verification. After the CLEAR lane, you still go through the same X-ray and body scanner process as every other traveler — unless your boarding pass is flagged for PreCheck. Many frequent travelers use CLEAR and PreCheck together: CLEAR gets them past the ID queue quickly, and PreCheck gets them through the screening lane without emptying their bag.

Eligibility and Enrollment

• Available to U.S. citizens and certain non-citizens 18 and older; minors under 18 may accompany enrolled adults at no charge at many locations
• Enrollment is done in person at CLEAR-equipped airports or stadiums (CLEAR also operates at some sports venues)
• Annual membership fee applies; pricing can change — check CLEAR's official website for current rates and any available discounts through airlines or credit card partners

CLEAR currently operates at a smaller number of airports than TSA PreCheck, so confirm availability at your home airport before enrolling.

Global Entry: Faster International Re-Entry

Global Entry is a U.S. Customs and Border Protection (CBP) program designed for travelers who frequently return to the United States from international destinations. Upon landing, members use automated kiosks to scan their passport or U.S. permanent resident card, provide fingerprints, and answer customs declaration questions — bypassing the standard customs officer line.

Global Entry includes TSA PreCheck at no additional cost, making it the more comprehensive choice for travelers who fly internationally even a few times a year. If you'd pay for both programs separately, Global Entry's combined value is typically higher.

Eligibility and Application

• Open to U.S. citizens, U.S. nationals, lawful permanent residents, and citizens of several other countries (check CBP's official list, as it changes)
• Requires an online application, background check, and an in-person interview at a CBP Enrollment Center or, for some applicants, an interview at the port of entry upon returning from a trip
• Application fee applies; membership is valid for five years
• Conditional approval can take anywhere from days to several months depending on application volume — apply well before a planned international trip

Global Entry does not speed up outbound international departures or domestic security beyond what PreCheck provides. When you're planning connection times that involve customs re-entry, see our guide to what airport layovers actually allow.

Choosing the Right Combination

There's no single answer that fits every traveler, but the logic is straightforward:

• Fly only domestically, infrequently: TSA PreCheck alone is likely sufficient.
• Fly frequently domestically and want the fastest possible security experience: TSA PreCheck plus CLEAR, if CLEAR is available at your main airport.
• Travel internationally even occasionally: Global Entry (which includes PreCheck) is generally worth considering over PreCheck alone.
• Travel internationally and want biometric ID verification: Global Entry plus CLEAR covers all three steps.

Also factor in whether your credit card reimburses enrollment fees — many travel-oriented cards offer a statement credit for Global Entry or PreCheck applications. Verify the current terms directly with your card issuer, as benefits change.

Once your security situation is sorted, the next practical question is often what you're bringing. Our carry-on packing guide covers how to consolidate everything into a single bag for trips of any length.

Program fees, eligibility rules, and airport availability are subject to change. Always verify current details directly with the TSA, CLEAR, or U.S. Customs and Border Protection before applying or renewing.