Everyday questions, clearly explained
TSA does not require ID for kids under 18 on domestic flights, but airlines can ask for proof of age, especially for lap infants. What to bring for each age, airline differences, and PreCheck rules.
By Katlin Pacheco
Katlin Pacheco
Air Force spouse, traveler and author of the memoir Outside the County Line. Raised on a rural Missouri farm.
She writes our travel, books and reading, military family life and lifestyle explainers. Every piece is fact-checked against its sources before it runs.
Read Katlin's pageTSA does not require ID for kids under 18 on domestic flights, but airlines can ask for proof of age, especially for lap infants. What to bring for each age, airline differences, and PreCheck rules.
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