If your teen is under 15 years old, depending on the airline they might be considered an unaccompanied minor while flying. Each airline has different policies regarding which ages are considered an unaccompanied minors & additional fees for their services. Southwest and Alaska Airlines have the lowest fees for unaccompanied minors. Additionally both airlines only consider unaccompanied minors to be under 13 years old (or in the case of Southwest, under 12 years old). Below is a comparison chart of airline policies for unaccompanied minors as of April 2018.
