As per the Air Canada cancellation policy, passengers can cancel their flights within 24 hours of booking, provided that the scheduled departure must be 7 or more days at the time of requesting a flight cancellation. This is how passengers can claim a full refund without paying any cancellation fees.
https://www.skycomojo.com/canc....ellation-policy/air-

Air Canada Cancellation Policy 1-855-448-3664, 24 Hours Refund
Favicon 
www.skycomojo.com

Air Canada Cancellation Policy 1-855-448-3664, 24 Hours Refund

Get info about Air Canada flight cancellation refund policy free cancellation. Know how to cancel Air Canada flight tickets within 24 hours.