When you book an Aer Lingus flight ticket with OnGoEazy, you will receive a confirmation email with the details regarding whether the flight is refundable or not. Our travel experts will help you with the cancellation process for Aer Lingus. If your flight is refundable, you may cancel it by paying an administration service fee to us. To process the cancellation, please reach out to our travel experts at 0204-529-2299 or email them at support@ongoeazy.com.