Travel plans can change at any time, and the Aer Lingus change flight policy makes it easy for you to stay flexible. You can change your flight online using the Aer Lingus website or app. If you change your booking within 24 hours, you often do not have to pay a change flight fee, depending on your fare type. After 24 hours, the Aer Lingus change flight cost depends on your route and ticket class. The airline lets you change your return flight or follow the Aer Lingus change of flight steps to update your trip. The process is simple and clear, so you feel comfortable with your plans. Always read the fare rules before you update your booking to avoid extra costs. With Aer Lingus, you can handle your trip with ease and feel sure about your travel plans if anything changes.