Quick rules for flying with car seat in carry-on and checked baggage. Verdicts and conditions across the major aviation regions below.
🇺🇸 United States (TSA)
Carry-on
Yes
Checked bag
Yes
Allowed in cabin (if you bought a seat for the child and seat is FAA-approved) or gate-checked free of charge. Doesn't count toward carry-on limits.
Also known as: child seat, infant seat
⚠️ Airline rules vary and change frequently. This page summarises common guidance — always confirm with your specific airline before flying, especially for international travel.