Air Canada offers you 24 hrs hassle-free cancellations & the easiest refunds. Air Canada has one of the most flexible cancellations and changes policies of any major airline. Check the 24 hrs Air Canada Cancellation Policy and Refund Policy. Need more information? You can know the Air Canada Flight Cancellation Policy, steps to Cancel Air Canada Ticket & easy procedure of cancellation by calling on +1-877-311-7484. Get easy refunds & hassle-free cancellations with the Air Canada Cancellation Policy. All tickets can be canceled for a full refund within 24 hrs after the time of buying.