Yes, you can technically upgrade to Business Class at the gate with Qatar Airways in 2026, but it is rarely the most cost-effective method. These "last-minute" gate upgrades are subject to seat availability and are typically priced based on the full fare difference or a high fixed fee, rather than the discounted rates offered through the mobile app or email invitations in the days leading up to the flight. If you have Avios (Qatar's loyalty currency), you can sometimes request an "on-departure" upgrade using your points at the check-in counter or the boarding gate, provided there is catering and seat capacity. However, be aware that gate upgrades often do not include premium lounge access or the full baggage allowance associated with a standard Business Class ticket. For the best value, most 2026 travelers recommend securing an upgrade via the "Manage Booking" tool at least 24 hours before departure.