How old do you have to be to fly alone on EVA Air? Children can fly on EVA Air if they are between 5 to 12 years old. However, they cannot fly by themselves if they are younger than five, according to the Eva Air Unaccompanied Minor policy. Guardians are required to complete all necessary forms. Visit the official website of EVA Air or mention the link to learn more. https://tinyurl.com/Eva-Air-Una-Minor-policy #evaairsunaccompaniedminorpolicy #evaairsunaccompaniedminor #evaairsunaccompaniedminorfee #evaairsminorpolicy #evaairsminorfee