If you have an Air Canada travel voucher and you want to know how to use it or redeem it for a flight or other travel-related expenses, here are the general steps to follow: Check the Terms and Expiration Date: Review the terms and conditions associated with your Air Canada travel voucher. Pay attention to any expiration date, as vouchers often have a limited validity period. Visit the Air Canada Website: If you have an Air Canada account, log in using your credentials. If not, you may need to create an account. Search for Flights or Services: