Traveling with a little one? United Airlines has options available to add your infant to your flight ticket. Babies younger than two years old can fly for free as long as they sit in a lap/infant seat. Be sure to inform them about your infant when booking your ticket. You'll need to provide their ag

Traveling bringing along your little one on a United Airlines flight? It's easy to add an infant to your ticket. Infants under 12 months usually fly for free as long as they don't occupy their own seat. You'll need to inform United Airlines about your flying infant during the booking step. To confi