Aer Lingus' 24-Hour Cancellation Policy"

To cancel your Aer Lingus flight within 24 hours of booking, you can either do it online or by contacting Aer Lingus customer service. If you booked your flight through a third-party website, you may need to contact them directly to cancel the flight.

Aer Lingus 24-hour cancellation policy for most bookings made through their website or reservations center. This means that you can cancel your reservation within 24 hours of making it and receive a full refund,