Originally Posted by
jackal
Are you looking for a particular airline? If so, you can specifically search for flights on, say, UA and then you'd only have to exclude cities that UA flies to HKG from (SFO, ORD, and EWR, I believe?) and you wouldn't have to bother excluding other cities like PHX, DFW, etc. as UA doesn't fly to HKG from those cities.
I'm looking for AA or oneworld, but the principle still applies. Will try to find out the common connection cities for PVG. Thx