Airbus? Boeing! Airbus! Boeing? The top 10 world biggest passenger airline are dominated by two companies. Lately Qatar Airways is Flying the newest Airbus A350-900 jetliner which is one of the World 10 biggest and longest aircraft travel commercially. From B777-400 to Airbus A340-600, from B747-8 Intercontinental Airbus to A380-800 and up to 900 passenger to be transported in single flight, the list will provide you an idea..