去usa 讀書, about買機票

1. About 12 hours.

2. The earlier the better -- some hot destinations (such as San Francisco) are usually sold out fast. Besides, book early so that you can choose better seat seats.
3. Cathay Pacific is one of the best airlines in the world.

4. Cathay Pacific has a deal for overseas students going to San Francisco:
國泰留學生特惠計劃

組合A ： 1張學生機票 + 1張父母機票 (HK$18,450)
組合B ： 2張學生機票 + 1張父母機票 (HK$25,620)
組合C ： 2張學生機票 + 2張父母機票 (HK$33,980)
http://www.cathaypacific.com/cpa/zh_HK/offerspromotions/offerdetails?refID=2612d7a941d6b110VgnVCM32000011d21c39____&priority=2

1. 12-13 Hours

2. You can book as soon as you have a set date of arrival.

3. Well, I will say go to a travel agency first and see what they have. Usually people will choose Singapore, then Cathay Pacific, and United (due to the price, schedule, and service). Some people will choose to make connection. Let's see what kind of choices you have first.

4. No.