If you don’t want to pay any charges for flight ticket cancellation, do it within 24 hours from the original date of purchase.
Aer Lingus 24 hour cancellation offers you the best method
Cancel a flight ticket in just a few seconds.
If you want to do the flight cancellation process through online mode, go to the My Trip section and fill the 6 digit code with the passenger’s last name and you also need to fill the Azul Airlines cancellation form.
After the cancellation process is completed, the airline will send you the ticket amount within 7 to 10 working days.

Azul Airlines Cancellation Policy Due to Illness:
Sometimes we are in difficult situations and cannot make a decision. Azul Airlines cancellation policy due to illness or sudden death of a friend or family member. In this case, we have alternatives to cancel the ticket.
And passengers can still request a refund, the only thing you need to do is go to the airline’s website and go to the “Refunds” section. ‘Manage Trip’ and fill in the refund request and required details. Children, grandchildren, parents, siblings, father, etc. Azul Airlines claims for canceled flights will apply to these members.