United Airlines offers a farelock option that allows one to hold a flight reservation at a fixed cost for a set period of about 14 days. Moreover, this fare lock is cancellable if it is requested within the given timeline. But the amount of farelock is non-refundable. Further, to make a United Farelock Cancel, they have to first go to the MY TRIP section on the official website or the app. Here, they need to fill in the confirmation number along with the last name of the passengers. Lastly, they need to choose the cancel option, the locked fare got canceled instantly.