Yes, there are multiple flights from Montréal - Pierre Elliott Trudeau to Cingcyuangang for under C$ 2,681. The cheapest flight booked recently is on Multiple Airlines for just C$ 2,681, but on average you can expect to pay C$ 2,681.
There are no direct flights from Montréal - Pierre Elliott Trudeau to Cingcyuangang, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.