The airline industry is forecasting that 800 million more people will travel by air by 2014 - many of them from China.
The International Air Transport Association says rapid economic growth in Asia is driving the industry's expansion.
The BBC reports airlines have seen a strong rebound from the downturn in 2009 as economies, particularly in Asia, recover from the recession.
IATA predicts earnings of $US9.1 billion this year, down from $US15.1 billion last year, due to higher oil prices.
It expects there will be 3.3 billion air passengers by 2014, an increase of 32% from 2009 - with 45% of that growth coming from the emerging economies of Asia.