SkyTeam member airlines China Southern and China Eastern have ticket prices in mid-to-upper $400s for San Francisco SFO flights to Bangkok BKK, Manila MNL and Singapore SIN. There are seveal other Asia cities on sale.
SFO-Asia departure dates: October 2017 to May 2018, except February for flights via China.
Star Alliance Asiana also has SFO-Manila for $555 in Oct-May.
SFO – Bangkok BKK $480 China Southern
SFO – Manila MNL $457 China Southern
SFO – Manila MNL $555 Asiana
SFO – Singapore $489 China Eastern
China Southern Airlines San Francisco SFO – Wuhan WUH – Bangkok BKK – Wuhan WUH – SFO
China Southern has SFO to Sydney SYD priced at $762 or $847. Lower $762 tickets appear to require at least a 2-stop itinerary in China for the return flights. $847 itineraries are available as one stop itineraries for some dates.
SFO-SYD departure dates: Oct-Nov 2017, March-May 2018.
China Southern SFO – Wuhan WUH – Guangzhou CAN – Sydney SYD – CAN – WUH – SFO
Expedia ticket $760.56 round trip Sat Apr 7 – Mon Apr 16