Boston to Beijing, Just $524 r/t

Fly Air Canada from Boston to Beijing, China, for just $524 round-trip.

http://www.secretflying.com/2016/06/boston-to-beijing-china-for-only-524-roundtrip/

You can fly this September to December.

Note that China visits require a visa, unless you will be there less than 72 hours and have a confirmed flight onward to a destination outside mainland China.

China visas are relatively expensive.