ZHENGZHOU - Three direct air routes between Zhengzhou, capital of Central China's Henan province and a major transportation hub, and the Japanese cities of Shizuoka, Osaka and Nagoya are expected to launch in June, according to China Southern Airlines on Tuesday.

There will be at least two flights every week between Zhengzhou and each of the Japanese cities.

A ticket between Zhengzhou and Osaka can be purchased for as little as 1,600 yuan ($261) if booked 42 days in advance.