To save up to 7% on this flight, we recommend booking at least 35 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Kentucky to San Francisco from $99 1-2 weeks out and tickets from $105 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, August can be a great choice for travel to San Francisco. Flights to San Francisco from Kentucky in August are about $108 on average during August, but can be found for as low as $48.
||$88||$233||No cancel fee||62%|
||$158||$394||No cancel fee||N/A|
||$169||$427||No cancel fee||69%|
||$167||$445||No cancel fee||71%|