1. Redeem online at united.com. Enter your flight information, travel dates, and any other search criteria. Choose your flight(s) and enter your contact information.
2. When you reach the Payment Information page, select “United payment types”. Select year of issue, enter PIN code and original recipient’s last name. To redeem the certificate, you must click "Apply". Certificate amount will be deducted, and then payment for any additional amount owed can be entered to complete your ticket purchase.