Fly nonstop from San Francisco to Seoul for $662 round-trip on Asiana Airlines.
Searching Orbitz, we found seats departing SFO on Tuesday, February 17, returning from ICN on Tuesday, February 24.
You'll find slightly higher fares ($697) on other carriers, available for travel through May.
Need a room in Seoul? Here's a look at what's available on Hotelwatchdog for the above travel dates.
Seoul image via Shutterstock