Changing your Aer Lingus flight is possible, but it depends on the fare type you purchased. Flexible fare tickets usually allow changes with minimal or no fees. For Saver or Smart fares, a change fee and fare difference may apply. Flight changes can be made online through the Manage Trip section or by contacting customer service. It's essential to make changes at least two hours before departure. If you booked through a third party, you'll need to contact them directly. Travel insurance may help recover costs for certain changes. Always check the specific terms of your ticket before proceeding. Seat selections or baggage options may also be adjusted when changing flights. So, can you change Aer Lingus flights (https://airlines-updates.com/blog/aer-lingus-change-flight-policy/) after booking? Yes—but conditions and fees may vary.