China
The Airport Express is the express train that runs from HK international airport to central HK.
It costs 100 HKD to take a single and there are return tickets available if you are returning within 1 month.
On the return trip, you may be able to check in for your flight at Hong Kong station or Kowloon station. Check with your airline beforehand as this can save you some time.
Hong Kong International Airport
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