Why does the Chhukung to Lukla flight cost more than similar routes? HSJ Heli 1 min read Chhukung’s high altitude (4,730 m) adds operational complexity for the helicopter, which is reflected in the per-seat price. Share: Twitter Facebook WhatsApp ← Previous article Who typically uses the Syangboche to Lukla flight? Next article → Is the Dingboche to Kathmandu flight suitable for emergencies?