Yes, you can upgrade from Economy to Business Class on Qatar Airways in 2026, but the method and cost depend on your ticket type. The most common way is via "Online Upgrade Offers" sent via email or the mobile app 24–72 hours before departure, which often provide a discounted rate. You can also use Avios (the airline's loyalty currency) to request an upgrade through the "My Calculator" tool on their website, provided there is "Award" availability in the higher cabin. Upgrades are also possible at the airport check-in desk, though these are typically charged at the full "walk-up" rate and are subject to seat availability. Note that certain "Economy Promo" or deeply discounted fares may be restricted from upgrading. In 2026, it is worth noting that all passengers on a single booking must usually upgrade together, and the original baggage allowance of your economy ticket typically still applies.