Traveling with your little one can be a breeze when you correctly add them to your United Airlines ticket. Infants under the age of two are allowed to fly for free as a lap infant, that signifies they'll sit in your lap during the flight. To add your infant, you'll need to contact United Airlines directly via phone or online. Be sure to have their

Southwest Airlines welcomes little ones on board! If you are traveling with a baby younger than two years old, they can fly free as a lap infant. Be aware that infants need their own seat if they will be using any type of special equipment, like an FAA-approved car seat. You’ll also need to let us know Southwest when you book your flight about yo