Originally Posted by
tentseller
The Regal is part of the airport, enclosed airconditioned access from T1.
You can buy online AE ticket while on the train to Hong Kong station. Klook.com offer them at a discounted price. The only cheaper ticket is same day return using Octopus.
Yep, I will second the Kook option. You can do it on your mobile phone and use the bar code to enter/exit. Love it.