Air miles serve as a valuable resource for travelers, offering benefits that can significantly reduce travel costs. Unfortunately, it’s not unusual for these miles to go unused before they expire. This scenario prompts many to wonder, "Can I use someone else's airlines miles?" The ability to use another person's miles largely depends on the airline’s policies, which can vary significantly. Some airlines have flexible rules that allow you to access a friend or family member's miles, while others impose strict limitations. It is crucial to familiarize yourself with the specific airline's guidelines regarding miles transfer or sharing. For instance, some airlines may require the account holder to authorize the transfer or might charge fees. Understanding these rules can help you navigate the process effectively and unlock potential travel opportunities. If you find yourself in a situation with unused miles about to expire, collaborating with those close to you can enhance your travel options. Always check the airline’s website or contact customer service to clarify policies, ensuring you maximize the value of air miles.