Putting your child on a plane alone can be stressful. That is why plans are in place to make sure it goes smoothly. First, unaccompanied minors are noted during the booking stage. Sally French with NerdWallet said for some airlines, that part is online. For other airlines, there is an extra step. "Some require you to book unaccompanied minors over the phone," French said. This service is for kids ranging from 5 years old to 14 years old, though the exact age ranges depend on the airline. Teens a little older may be able to fly alone. MORE: https://www.wthr.com/article/money/whats-the-deal/what-to-know-about-flights-for-unaccompanied-minors-airlines-flying-planes-airports-travel-kids-teens-vacation-trip-safety-safely-rules-booking/531-51ab0d2a-98de-4301-84f0-1408bddace96