We prepare some FAQ of Singapore Changi Airport for your reference to help you plan a successful and wonderful Tibet tour. If you would like to know more, please feel free to ask.
About 2 hours before flight departure is the good time to check-in. You can also use your your Phone, Fax, Website, E-Mail, SMS and WAP-based "Off-Airport" Check-in options provided by numerous airlines at Changi, by which you can confirm your flights and choose your seats as you wish (if the seats are available).
We are so sorry that all passengers are required to personally check themselves for some security reasons.
In this case you are kindly suggested to inquiry assistance in front desk. Generally speaking you have a chance to make alternate flight arrangements at Changi Airport.
Excess baggage rate is published different by different airlines. You'd better ask for details in your airline.
No, we will send you Tibet Travel Permits to your hotels in China. When you fly to Lhasa, Tibet from any domestic cities of China, your Tibet Travel Permits need to be checked at airport.
In general, the medicines for high altitude sickness could be take in hand-carry luggage. Or you could buy some in China instead taking from your Singapore.