This is actually a $50 price drop from when this was last posted.
There are major airlines such as Air Canada, United and American offering a round trip airfare from Kansas City (MCI) to Beijing China (PEK) for $525-$553, making 1 or 2 stops (depending on the flight you choose).
Departs MCI: Aug 29 thru Oct 3 and then again Oct 15 thru Dec 11
Returns: good availability, generally with a 7-day stay
To see your options of available flights with prices, plug in your destination and dates into Skyscanner
, a travel aggregator with the most up-to-date availability. Then book from there.