It seems there might be a slight confusion with the Airlines name. Expedia is a popular online travel agency (OTA) that allows you to book flights, hotels, car rentals, and more. Expedia doesn't operate its own Airlines; instead, it partners with various Airlines to offer flights to its customers. However, I can guide you through the process of changing your flight date if you booked your flight through Expedia. Understanding Expedia?s Policies: Before proceeding with changing your flight date, it's essential to understand Expedia?s policies regarding flight changes. Expedia?s policies may vary depending on the Airlines you booked with, fare type, and other factors. Here are some general considerations: