Car seats are the safest way for young kids to fly—but you have to know the rules before you board. Here’s what to know: ✈️ FAA-approved car seats are allowed on all USA based airlines—but they must have the FAA sticker (usually on the side or back). ✈️ It’s YOUR job to show the sticker and know how to install it correctly. Many flight attendants haven’t seen every seat and may not know the details. ✈️ Car seats usually must be installed in a window seat—not in the middle or aisle (to avoid bloc