Originally Posted by
pinniped
Good news: by choosing the option that left the HKG-LAX portion intact, the only fees I incurred were additional taxes of about $14 per ticket. ^
That's a better outcome than I was expecting. I now have BKK-HKG-LAX-SEA-MCI. All in one extremely long calendar day.

Now you just have to deal with the possibility that the airport will be closed or the flight will be cancelled due to unrest in HKG