Quick rules for flying with car seat in carry-on and checked baggage. Verdicts and conditions across the major aviation regions below.
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.
Free checked OR free use in cabin (on a paid seat). EU-approved car seats accepted in cabin on full-service carriers; LCCs typically checked-only.
Free checked OR cabin use (on paid seat). BA + Virgin accept in cabin; easyJet + Jet2 checked-only.
Free checked OR cabin use (on paid seat). LATAM, Aeroméxico, Avianca accept in cabin; LCCs checked-only.
Free checked OR free use in cabin (on a paid seat for the child) on most Asian carriers. JAL, ANA, Singapore Airlines, Cathay accept FAA / EU-approved car seats in cabin. LCCs (AirAsia, Scoot, Lion) typically checked-only.
Free checked OR cabin use (on a paid seat) on Qantas / Virgin AU / Air NZ for AS/NZS 1754-compliant seats. Jetstar checked-only.