Singapore Airlines has select roundtrip international flights on sale for as low as $785.76, as provided by ShermansTravel. (Click on "" in the main paragraph to see this sale; all taxes are included.) That's the lowest rate we could find for select routes by $18. This price is valid on flights departing from San Francisco, CA (SFO) to Seoul, Korea (ICN) on January 21; prices vary depending on the departure cities and dates chosen. Available destinations include Tokyo, Moscow, Hong Kong, and more. Blackout dates may apply. Book this travel deal by January 15 for travel through June 9. Other notable fares:

Los Angeles (LAX) to Tokyo (NRT) from $868.47

New York (JFK) to Frankfurt (FRA) from $889.25

Houston (IAH) to Moscow (DME) from $962.10

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