To save on the cost of your flight from Sioux City to San Francisco, book at least 61 days before your planned departure. Booking around this time can save you about 99% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $416 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $638.
When flying from Sioux City to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.