On Qatar Airways, there are several ways to upgrade to business class. From seat upgrades to cash upgrades, all are available. You have the choice to choose an upgrade when you make a reservation. You can also give the customer care department a call. A Qcredit can be used to pay for an upgrade if you have one. If you are qualified for an update, you can also check the website. Qatar Airways upgrades cost in price from $200 to $700. The cost is dependent by the seat class you desire and the quantity of miles you must pay to upgrade. Additionally, entry to the lounge could cost money.