It is generally not liked by airlines when you cancel a flight, so it is not an easy process at all. That is why sometimes availing refund against the fully refundable tickets is also difficult. Sometimes even the refundable tickets have a cancellation fee.
This article is about how to cancel my flight ticket without penalty, read ahead for in-depth information.
For further assistance, you can contact the concerned customer service of a particular airline and fetch the details in return. This can be done either via phone call or live chat or via email support. Also, the assistance via live phone call is the fastest mode of fetching assistance. The contact details can be found on the official website of the airline.