Book United Ontario to San Francisco flight deals from $573

Select journey type

Enter to select travel class and passengers

Plan ahead for flights from Ontario to San Francisco

from
to
Type
Dates
Price*
Ontario (ONT)
to San Francisco (SFO)
Roundtrip
Depart Mon 9 Jul 2018
Return Fri 13 Jul 2018
from$ 573*Viewed: 12 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in San Francisco

92 °FSaturday06/23/2018
70 °FSunday06/24/2018
63 °FMonday06/25/2018
72 °FTuesday06/26/2018
71 °FWednesday06/27/2018
71 °FThursday06/28/2018
79 °FFriday06/29/2018
Powered by: OpenWeatherMap.org