Air Canada cancellation policy offers flexibility for travelers. If you cancel within 24 hours of booking, you can receive a full refund. For non-refundable tickets, a travel credit is issued. Refundable tickets allow cancellations with a refund minus applicable fees. Flight changes are possible with fees varying by fare type. If Air Canada cancels or significantly changes your flight, you're eligible for a refund. Ensure to check fare rules and conditions at booking. Keywords: Air Canada, cancellation policy, refund, travel credit, non-refundable, refundable, flight changes, booking, fees, fare rules, significant changes.