Air Canada is running a discount fare to Beijing from Boston during Thanksgiving weekend. Since this is a discount ticket this fare may disappear soon, so if you are planning a trip to China around Thanksgiving weekend get this deal before it disappears.
Sample fare from Boston (BOS) to Beijing (PEK) on aircanada.com
Air Canada is part of Star Alliance, and you can credit your mileage to any of the Star Alliance partner.
Use your travel bonus category card like American Express Gold Premier (3x) / Chase Sapphire (2x) to earn additional points on your airline ticket price.