Flight cancellation is another thing faced by the passengers after booking and there are often varied reasons behind the cancellation. Every airline's carrier has their own rules and restrictions which are vital to understand. If you've booked your flight ticket with Aer Lingus Cancellation Policy, then you've got a choice to cancel your flight whether it’s domestic or international. But before making the cancellation request, you ought to realize the Aer Lingus cancellation policy which is extremely simple and straightforward to know.