how long can baby fly free
Contact a Southwest Airlines Customer Representative at 1-800-I-FLY-SWA (1-800-435-9792) for further details. 1  Infants: One child over 14 days and under two (2) years of age, not occupying a seat, may be carried free of charge when traveling with an adult (12 years of age or older). Although a boarding pass is not required for the infant, you will need a Boarding Verification Document.