At Tin Shui Wai, you could take the metro to arrive at Nam Cheong station firstly and then please transfer to the Tung Chung Line to get to Kowloon station. It will take you about 35 minutes and HKD17.

At the Elements located at Exit C1 of Kowloon station, you could catch a bus to Shenzhen Airport directly in 1.5 hours with a fare of HKD90. The bus is in operation from 07:15 to 19:15 with an interval of 30 minutes.