The first step for [How to use air canada travel voucher online](https://travobravo.com/air-canada/how-to-use-air-canada-travel-voucher/) is to determine how much money is still on it. You may view your voucher balance in the "Vouchers" area of your Air Canada account by logging in. Just on Air Canada website or by contacting Air Canada Reservations, select the flight or holiday package you want to reserve. When booking a reservation, be sure to choose "Voucher" as your payment option. When prompted, enter your voucher number and PIN (if necessary). Your reservation will be charged the value of the voucher. You will have to use another method of payment to cover the difference if the price of your reservation is more than the amount of your voucher. The balance of your gift voucher will be preserved for future usage if the price of your reservation is less than its value.