American Airlines has a fare attack from Houston IAH to Hong Kong with $471 round trip ticket prices for departures from February to May 2017. Lowest fares are Sun-Tue outbound and $30 to $40 more on other days. Star Alliance and SkyTeam are priced around $588 to $598 round trip. Best fares from Dallas DFW are Delta around $570 round trip. American is charging over $1,000 for DFW to Hong Kong.
American Airlines Houston IAH – Dallas DFW – Hong Kong HKG – Dallas DFW – Houston IAH