Yes, Air Canada may charge a C$150 cancellation fee for many non-refundable fare types, including Economy Standard and Aeroplan Award tickets, but only if you are canceling outside the 24-hour risk-free window and not canceling within that window. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) The exact fee depends on the fare type purchased and whether the cancellation is processed online or through the contact center. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) You can avoid fees by choosing a refundable fare, canceling within 24 hours of booking, or if you are eligible for an exception due to medical reasons or elite status.