Tibet Airlines plans to add 18 air routes this summer to provide more options for passengers and promote tourism in Southwest China's Tibet autonomous region, according to the company.

The air routes will link Lhasa, capital of the autonomous region, and other cities in China including Kunming, Changsha and Shijiazhuang.

The company said it will offer a total of 66 air routes this summer.

More than 40 million tourists from home and abroad visited Tibet in 2019, up 19 percent year on year, according to local authorities.