Aer Lingus allows passengers to change flight dates with ease, subject to fare rules and availability. Change fees and fare differences may apply depending on the ticket type. For smooth and hassle-free assistance with date changes, contact Aer Lingus customer support at +1(877)-310-4366. Expert help is just a call away. https://americanairtravel.com/aer-lingus-flight-date-change-policy/