San Francisco to Washington D.C - $199 RT "all in"

Fly SFO to Washington, D.C for just $199 roundtrip, including all taxes and fees. Valid for flights through through Spring 2011. Outbound flights: Must depart Friday or Saturday after 7pm. Return flights: Must return on Monday or Tuesday. 4-day maximum stay. Click here and search using the "my dates are flexible" option.