Originally Posted by
Clar
use flexible date on delta.com, I'm able to see PHL-HKG via JFK/NRT or ATL for $471 if you go Feb 03 and back on Feb 14. Or little higher for some other dates around that time frame.
There is an issue between Google Flights and Delta. Search and book directly through Delta.com. I am now able to find flights from Charlotte/Miami/Dallas/Philadelphia to HKG. All AA hubs.