Originally Posted by
fzwinter
One RT - SAN-SFO-HKG-SIN-HKG-SFO-SAN will get you about 18,000 miles and can be purchased for about $900 right now.
I would choose to fly
SAN-LAX-NRT-SIN-NRT-LAX-SAN instead...
777 all the way instead of those junk 747's
or even if you can add SAN-LAX-SFO-NRT-SIN