TAP Air Portugal offers customer-centric services and policies on its website, if you wish to cancel your flight reservation, you can do it both ways; online through the website or make a call to the customer care helpline OTA +1-800-860-5036 (no wait) and ask for the required assistance.
To cancel a flight ticket, you need to know What is the TAP cancellation policy? Remember that the policy aims to balance the needs.
