No, unfortunately you cannot buy a plane ticket and board a plane without parental consent if you are 16 years old. Airlines have strict policies in place that require passengers under the age of 18 to be accompanied by an adult or provide written permission from their parent or guardian before they can travel.

In 2026, you generally only need to be 13 to 15 years old to book and fly on a plane ticket by yourself, but there are significant "fine print" caveats. While anyone with a debit card can technically make a purchase online, airlines have strict "Unaccompanied Minor" (UM) policies. For most major carriers, children aged 5–14 traveling alone must use the UM service, which involves a fee (often $150+) and staff supervision. Once a traveler turns 15, they are usually considered a "Young Passenger" and can fly completely independently on most domestic routes. However, for 2026 international travel, some countries and airlines require a notarized "Letter of Consent" from a parent if the traveler is under 18. Additionally, booking a hotel at the destination is the real hurdle, as most 2026 hotels require the primary guest to be at least 18 or 21, making solo travel for teens logistically difficult despite having a valid plane ticket.