Singapore Airlines has select roundtrip flights to Asia on sale for as low as $828.12, as provided by ShermansTravel. (Click on "SingaporeAir.com" in the main paragraph to see this sale; all taxes are included.) That's $155 under our August mention and the lowest price we've seen for fares from Singapore Airlines. It's also a current low for select routes by $25. This price is valid on flights departing from San Francisco, CA, (SFO) to Seoul, South Korea, (ICN) on September 28 with return on October 10; prices vary depending on the departure cities and dates chosen. Available destinations include Tokyo, Seoul, Hong Kong, and more. Book this travel deal by September 20 for travel through November 30. Click here to see more routes.