Fly from Washington Dulles to San Francisco for $249 round-trip, including all taxes, on Southwest.
We found seats departing IAD on Tuesday, October 28, returning from SFO on Monday, November 3.
Similar fares available for travel on other dates throughout fall.
Visit our Washingon Dulles fare page for a complete listing of current finds.
All products and services mentioned on Airfarewatchdog are independently selected by our team of expert travelers. If you buy something through our links, we may earn an affiliate commission.
