If you’ve already booked an airplane ticket but need to include another person in your reservation, you might be wondering how to add a person to airplane ticket. Whether you're planning to travel with a companion or need to adjust your travel plans, this process can vary depending on the airline and how you booked your ticket. In this guide, we’ll walk you through the steps you need to take to add a person to your existing booking, ensuring that all travelers are properly accommodated on the same flight.