Passengers are allowed to cancel their flight tickets online, offline, and directly from the cancellation window.
Online cancellation:
Offline cancellation:
Cancellation Window:
In some special cases or situations, the passenger needs to raise the refund request and it will only be accepted by the official website of Air Canada. Just, read the entire procedure to know the refund request procedure
Passengers are allowed to claim their compensation for every flight disruption. But, if the flight ticket is disrupted by Air Canada then, EU regulation will have an immediate effect.