When you have purchased a flight ticket from Air Canada, and after that, you have to upgrade your class to another cabin for free, then worry not because here you can locate the various option through which you do not have to pay to conduct upgrades. Thus the option to make free upgrades are as follows:-

Coupons 

When you wish to make a free upgrade on Air Canada, then via coupon, you can conduct that. And to use coupons, you have to check in your email, and there you have to coupon code, copy it, and paste it while upgrading. And if the amount is equal to the upgrade cost you are making, it will be deducted, and if there are any remaining sums, you might have to pay for that.

Miles

When you are an elite member of the airline, you get the miles each time you travel with the airline. And when you have to make an upgrade without paying, then miles be an alternate option for that. But to make a payment through miles, you must have the miles required for an upgrade. 

Voucher

Another method through which you do not have to make payment for the seat upgrade in Air Canada is a voucher. Thus when you are on, choose the seat upgrade option and get to the payment page, then select your voucher code and click on the application icon. As your voucher is added, and if your voucher carries a similar price to that of your preferred upgrade, you get a free upgrade.

Flight credit 

On Air Canada, you get the flight credit whenever you have canceled your nonrefundable fare and canceled your booking due to airline default, and then you get flight credit that is used for the next booking. But if you wish to pay for your upgrade, you can also do it at the time of payment, and you don't have to pay for the upgrade.

Can you use points to upgrade on Air Canada?

Yes, you can use points to upgrade on Air Canada. Moreover, Air Canada provides the eupgrade to an elite member to travel with comfort and enjoy a better onboard experience. But you can use it on Air Canada-operated flights. And to make an upgrade, you can speak with customer service or use can use the steps stated beneath:-

Open Air Canada authenticated website from preferred search engine.

After that, sign in to your account by using your credentials.

Then click on the manage booking option from the book icon.

Further, type the ticket number with the passenger's last name, and click on find options.

Now, click on the upgrade options and select the class by which you wish to travel.

Then, you will get to the payment tab on the miles options.

Later, the number of miles required appears, and click on the confirm options.

When the upgrade is completed, then you can have confirmation in your email and phone number.

Thus, when you read here, you can get information regarding free upgrades in Air Canada. But if you have any issue or question after this, speak to a live person at Air Canada and get the appropriate solution.