按照加拿大航空在网页上的说法：

2011年3月28号新规定，中国公民可以免签过境加拿大限溫哥华國際機場和多伦多皮尔逊机场

要求是：

•乘坐 Air Canada 或 Jazz,

•持有有效的护照 ,

•持有有效的美国签证，

•从北京，香港和上海登机。

详细请见：

（ Air Canada ： http://www.aircanada.com/en/news/110328.html?src=hp_wn ）


Easier transit between certain Asian countries and the U.S.

In accordance with the Canadian government’s Transit without Visa (TWOV) program, citizens of certain Asian countries who are transiting through Vancouver International or Toronto Pearson International airports to or from the US are not required to obtain a Canadian temporary resident visa, provided:

• They are travelling to Canada on Air Canada or Jazz,
• They hold a valid passport from their country,
• They hold a US visa that is valid upon their arrival in the US.

The TWOV program applies to the following passengers only:

• Citizens from Indonesia, the Philippines, Taiwan (Chinese Taipei) and Thailand
• Citizens of China who are travelling from Beijing, Hong Kong or Shanghai.