There are main cities to enter Tibet, such as Beijing, Chengdu, Xi'an, Chongqing, Shanghai, Guangzhou, Zhongdian, Xi'ning and Kathmandu of Nepal.
There are daily flights shuttled between Beijing, Shanghai, Guangzhou, Zhongdian, chongqing, Xi'an, Chengdu and Lhasa, especially between Chengdu and Lhasa, there are 8 flights everyday, it is the best places to enter Tibet. And the flights between Kathmandu and Lhasa are just available on every Tuesday and Saturday.
If you are going to enter Tibet from Kathmandu, you'd better to arrives in Kathmandu earlier, or you need to pay for the urgent fees for china visa, click here and you can find more information for entering tibet from Kathmandu.
You can also take the train to Lhasa, there are daily trains from Beijing, Xi'an, Xi'ning to Lhasa, and the train to Lhasa from Chengdu, Shanghai, Guangzhou, chongqing every other day, just click here and find the acurate leaving dates for each cities. the best places to enter Tibet by train is Xi'an and Xi'ning since most of the trains will pass these cities, and you will not take too much time on the trains.
Actually, the weather in Tibet is not as harsh as many people might imagine. If you are going to visit Lhasa area or Nyingchi prefecture, you can just go to Tibet all year around. It is cold in the evening, but it is quite warm in the daytime. Generally, it is sunny in the daytime and it is cold during the night. Even in the winter or summer.
The best time to travel in Tibet is every June to early november, mostly it is rainy from July to August, but fortunately, it often rains in the evening and next day, it is sunny again.You'd better not plan to travel to Tibet from Yunnan to Tibet via east of Tibet since the rainy season may causes the landslides. But the scenery is the best of the year. So does the Oxygen, That is why during this time it is the peak season for Tibet tourism.
Mt. Everest: Early May and October are the best time to see the true face of Mt. Everest due to the least cloud in the year.
Sina-Nepal high way ( overland from Kathmandu to Lhasa): Avoid to take bus overland due to the rainy season with the unexpected landslides.
Mt. Kailash: the appropriate time is May, June, July, September and October. It is too cold from December to February, the heavy snow could make your travel badly. And the August is rainy season, the road is often destroyed.
Passport, China visa and Tibet permit: if you travel Tibet from mainland of China, you need send us your passport and China visa copy for Tibet permits arrangements, and we just need your passport copy if you enter Tibet from Kathmandu, click here for more information on Tibet permit.
The currency in Tibet is RMB, you can use credit card at China Bank Tibet Branch to draw out your money. Some shops also accept the USD.