Concerned about a flight change on Southwest Airlines? Read on to acquire a clear view without worrying. Southwest doesn't charge a fee if you decide to alter your mind because they understand that plans sometimes change. If you decide to change your scheduled flight, you only need to pay the price difference. You can rebook your travel with Southwest Airlines and receive a refund for the price difference whether you paid with cash, points, or a credit card. Unlike other airlines that waive modification fees for elite status members, Southwest lets you rebook your ticket at the best price offered, regardless of the fare type.