$579 - Direct Flights to South Korea from SFO
The Lotte World Tower in Busan, South Korea
This is the one of the cheapest flights to Asia from SFO that I have found in that last two months.
Flights are on most days in September, regardless of day of the week. It seems that Singapore Airlines is operating a single direct flight each way between San Francisco and Seoul.
United also offers cheap flights to South Korea, but there flights are typically one-stop, and cost 200 hundred dollars more.
Direct flights between South Korea and San Francisco are between 11 and 13 hours.
[...] Never the less, I’ve had an eye on flights between Hong Kong and San Francisco for the six months, and this is the cheapest its been. This is now one of the cheapest places to fly to in Asia, along with Seoul South Korea. [...]