TSA PreCheck for children: age rules and family tips

The simplest TSA rule most families never plan around: children 12 and under use the PreCheck lane for free alongside any enrolled parent or guardian — no separate membership, no fee, no TSA PRE✓ on the child's boarding pass required. Teens 13 to 17 are a different story: they can inherit the benefit on a shared booking, but TSA's Secure Flight algorithm randomly excludes them often enough that their own $78–85 membership becomes worthwhile after two or three flights per year.

Do children under 13 need their own TSA PreCheck enrollment?

Children 12 and under do not need to enroll in TSA PreCheck, pay a fee, or even have the TSA PRE✓ indicator printed on their own boarding pass. They simply walk through the PreCheck lane alongside any enrolled parent or guardian whose boarding pass displays the indicator. TSA confirmed this free-accompaniment rule remains in effect through 2025–2026 travel. There is no per-trip action required — the benefit is entirely automatic once the accompanying adult has PreCheck.

• Age cutoff is 12 and under — a child's 13th birthday changes the rule completely
• Child's boarding pass does not need to display TSA PRE✓ for this age group
• Applies to biological children, stepchildren, and children in a legal guardian's care
• Covers domestic departures and US preclearance gates at international airports

What are the TSA PreCheck rules for teens aged 13 to 17?

Teens 13 to 17 occupy a middle ground: they can receive the TSA PRE✓ indicator on their boarding pass when booked on the same reservation as an enrolled parent, but TSA's Secure Flight algorithm may randomly exclude them — meaning the indicator is not guaranteed. When the indicator is absent, the teen must use standard screening even if the rest of the family has PreCheck. Enrolling a teen in their own membership ($78–85, valid 5 years) is the only way to lock in expedited screening on every trip.

• Must be on the same PNR as the enrolled parent — a separate reservation means no PreCheck without their own KTN
• Do NOT enter a KTN for the teen if they do not have one; leave the field blank during booking
• Random exclusion happens more frequently in this age band than for enrolled adults
• Own KTN eliminates random exclusion and covers solo travel, school trips, and custody-split itineraries

How do I make sure my child's boarding pass shows TSA PreCheck?

Enter your Known Traveler Number (KTN) in your own traveler profile when booking, and place all family members on a single reservation (same PNR). For children under 13, the TSA PRE✓ indicator does not need to appear on their boarding pass — they accompany the PreCheck parent regardless. For teens 13–17, check the boarding pass at online check-in 24 hours before departure; if TSA PRE✓ is missing, call the airline before leaving for the airport to re-link your KTN to the booking.

• Add KTN to your own traveler profile once and it auto-populates future bookings with the same airline
• Single PNR for the whole family is the most critical booking step
• Check in online 24 hours early to catch a missing indicator while there is still time to call the airline
• At the airport a TSA officer can sometimes manually verify PreCheck eligibility, but this is not guaranteed

What is the family lane and how does it differ from TSA PreCheck?

Many airports operate a dedicated family screening lane — often signed “Family / Special Needs” — that gives travelers with strollers, car seats, diaper bags, and young children extra time at the bins. The family lane uses full standard screening procedures: shoes come off, laptops come out, and liquids go in a separate bin. It is a pace accommodation, not a security upgrade, and it grants zero PreCheck benefits. Families who hold PreCheck should use the PreCheck lane to keep expedited screening benefits intact.

• Family lane = standard screening rules, just a slower pace with more staff assistance
• PreCheck lane = shoes on, laptop stays in bag, no liquids bin required
• Strollers must be collapsed and sent through the x-ray machine in every lane including PreCheck
• Car seats also go through the x-ray belt regardless of which lane you choose

Should I enroll my child in TSA PreCheck?

For children under 13 who always fly with a PreCheck parent, enrollment is unnecessary — the free-accompaniment rule makes the $78–85 fee redundant. For teens 13–17 who fly two or more times per year, enrollment is strongly worthwhile given how frequently Secure Flight randomly excludes this age group. Any child who routinely travels alone — for sports, school, or shared-custody arrangements — should enroll regardless of age, since the benefit only works solo with a personal KTN. There is no minimum enrollment age.

• Under 13 flying with PreCheck parents: skip enrollment, save the fee
• Ages 13–17 flying 2 or more times per year with family: enrollment is recommended
• Any age traveling solo or on a separate reservation: enrollment is required for PreCheck access
• Membership is valid 5 years; renewal costs the same as initial enrollment ($78–85)

For a full enrollment walkthrough, including how to find an enrollment center near you, see our TSA PreCheck enrollment guide. If you are weighing PreCheck against CLEAR or Global Entry for the whole family, see PreCheck vs. CLEAR vs. Global Entry.

What happens if only one parent has TSA PreCheck?

The PreCheck parent proceeds through the expedited lane and can bring all children 12 and under. Teens 13 and older without their own KTN use standard lanes — either with the non-PreCheck parent or independently. The family simply splits at security and reunites past the checkpoint at the gate. TSA acknowledges this as a normal, routine scenario and no special documentation or officer approval is needed.

• Children 12 and under should go with the PreCheck parent to use the expedited lane
• Teens 13 and older without their own KTN go with the non-PreCheck parent or alone through standard lanes
• There is no TSA rule requiring an entire family to use the same lane
• Enrolling the second parent in PreCheck or Global Entry eliminates the lane-split problem entirely

Do children get any screening benefits at standard lanes without PreCheck?

Yes — children 12 and under receive two lighter-touch accommodations at standard checkpoints even without any trusted traveler enrollment. TSA does not require this age group to remove shoes, and they do not need to remove laptops or tablets from their bags at standard lanes. These mirror the most common PreCheck conveniences for the youngest travelers. Teens 13 and older are treated as adults at standard checkpoints: shoes off, electronics out, and standard imaging if selected.

• Shoes: children 12 and under keep them on at standard security lanes
• Laptops and tablets: remain inside the bag for children 12 and under at standard lanes
• These are standard-lane courtesies only — in the PreCheck lane, everyone keeps shoes on regardless of age
• Age 13 and older: full adult standard screening rules apply, no exceptions

For more tips on moving a family efficiently through any lane, see airport security tips for families. If you are bringing a stroller or infant car seat, see traveling with a stroller and car seat for exactly what to expect at every checkpoint lane. New to flying with a baby? Traveling with a baby through TSA covers formula, breast milk, and infant gear rules in detail.

Sources: TSA PreCheck Families, TSA Children FAQ, TSA Family Lane FAQ, TSA Families Fly. Verified June 29, 2026.