Kathmandu to Lukla Helicopter Flight are frequently quicker than fixed-wing aircraft and can be more opulent and comfortable, As they can fly in a broader range of weather conditions and are less reliant on the occasionally erratic conditions at Lukla's small airport, helicopter flights are also more adaptable. Helicopter flight duration is 45 minutes. Lukla Airport has been in operation since 1971. It was later renamed Tenzing-Hillary Airport in honor of Tenzing Norgay Sherpa and Sir Edmund Hillary. It is 2800 meters above sea level. Lukla Airport is officially known as Tenzing–Hillary Airport, which is one of the popular domestic airport located in town of Lukla.