When bringing along your little one, you'll need to list them as a passenger on your United Airlines ticket. Infants under the age of two can travel at no charge. You can/may choose to buy a ticket for your infant, which will allow them to have their own seat and possibly a car seat. To add an infant, you'll need to call customer service You'll
Bringing an Infant to Your Southwest Flight
Southwest Airlines welcomes little ones on board! When 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