Passengers traveling with Qatar Airways can upgrade their flight from a lower cabin to a higher cabin class. There are various ways through which one can do so. Passengers can upgrade Qatar Airways flights with options such as direct payment, Avios, or a combination of both. Furthermore, travelers can also make the upgrade at the last minute from the check-in counter at the airport 1 hour before flight departure. To learn more details on this, visit Qatar Airways official website or follow the link to the blog.