Airport Express connects airport to the heart of Hong Kong, with the service time from 05:50 to 01:15 at 12-minute intervals.

Departure Time:
a) Hong Kong International Airport → the downtown of Hong Kong
Airport Station: 05:54; every 12 minutes from 06:04 to 00:16; 00:30; 00:37; 00:48
AsiaWorld Expo Station: every 12 minutes from 06:00 to 00:12; 00:25, 00:34, 00:45

b) The downtown of Hong Kong → Hong Kong International Airport
Hong Kong Station(near Central Metro Station): 05:50; every 12 minutes from 06:00 to 00:48.
Kowloon Station (at the south end of West Kowloon, Tsim Sha Tsui): about every 12 minutes from 05:53 to 00:52
Tsing Yi Station: (near the Tsing Yi North Bridge): about every 12 minutes from 06:00 to 00:59

Ticket
1. One-way Ticket: The ticket is only valid on the day when passengers buy it. Passengers can buy the tickets from the Ticket Issuing Machine in any stations of the Airport Express or the Customer Service Centre in each station.
2. The Same-day Return Ticket: Passengers can enjoy one return trip between the Airport Station and the station specified. The ticket is only valid on the day of issue. The ticket can be bought from the Ticket Issuing Machine in the stations of the Airport Express or the Customer Service Centre in each station.
3. Round-trip Ticket: The term of validity is 30 days from the date of issue. Passengers can enjoy one return trip between the Airport Station and the specified station on the ticket. The ticket can be bought from the Customer Service Centre in each station of the Airport Express (except the AsiaWorld-Expo Station) or the Ticket Issuing Machine in each station.
4. Octopus Card

Tip: 1. The one-way ticket, the round-trip ticket and the Airport Express Travel Pass can also be booked on line. The official website is:
http://www.mtr.com.hk/eng/airport_express/tf_index.html .
2. Free travel for children under three
3. Passengers holding Personalized Octopus Card with 'Student Status' must pay the adult fare.
4. If using the Octopus Card to take the Airport Express, you can enjoy free subway  connection of MTR (Mass Transit Railway Corporation) Island Line, Tsuen Wan Line, Kwun Tong Line, Tseung Kwan O Line, Tung Chung Line and Disneyland Resort Lines to/from the downtown Hong Kong. But the precondition is that your Octopus Card still has usable value and you have to transfer from/to the Airport Express to/from the metro within one hour.
5. If you use the same Octopus Card to to/from AsiaWorld-Expo in the same day and stay in AsiaWorld-Expo for at least two hours between exiting and re-entering the AsiaWorld-Expo Station's ticket gate, you can enjoy the following discounted fares. (The normal one-way trip fare will be deducted from your Octopus Card when you get on the Airport Express. Fare rebate will be automatically credited to your card at the end of your return trip.)