Hot air balloons have an average weight limit of 1,000 pounds (? a ton). A hot air balloon's weight limit varies considerably based on balloon size, basket size, flight equipment, and weather conditions. Other weight-limiting factors include the type of flight booked and any rules the pilot sets.

In 2026, while there is no universal "individual" weight limit that automatically disqualifies a passenger, hot air ballooning is governed strictly by gross weight and displacement physics. Pilots must calculate the total "payload" (passengers, fuel, equipment) every morning based on the ambient temperature and altitude; hotter air provides less lift, meaning the capacity is lower on summer days. Most commercial operators require passengers weighing over 115kg to 130kg (approx. 250–300 lbs) to disclose this during booking, and those over a certain threshold may be required to pay a surcharge or purchase a second "spot" to ensure the basket remains balanced and everyone has adequate space. This is a technical requirement for safety and fuel management, ensuring the balloon can safely clear obstacles like power lines and perform a gentle landing.