If a request to cancel a ticket is submitted after the 24-hour risk-free period, an Air Canada cancellation fee of $100 to $500 will be charged. A price of $100 to $400 will be imposed as an Air Canada flight cancellation fee if you cancel your flight less than 24 hours prior to the scheduled departure of your journey. After cancelling your flight, you can still seek a cancellation. Sometimes things change and you are forced to cancel an Air Canada flight that you had been looking forward to for months. If you've ever had to change an Air Canada flight, you are aware of how expensive and difficult the procedure can be. Additionally, Air Canada has established a cancellation fee for flights both domestically and abroad. A significant Canadian airline, Air Canada, is contracted to offer a wide range of both local and international flights.