$29 Cheap United flights Ontario (ONT) to San Francisco (SFO)
Prices were available within the past 7 days and start at $29 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sun, Jun 15 - Sat, Jun 21
ONT
Ontario
SFO
San Francisco
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Most Popular United Routes from Ontario
Most Popular United Routes from San Francisco
- Washington to San José del Cabo (DCA - SJD)
- Las Vegas to Louisville (LAS - SDF)
- Washington to Mexico City (IAD - MEX)
- Austin to Philadelphia (AUS - PHL)
- Vancouver to Los Angeles (YVR - LAX)
- Boston to London (BOS - LHR)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Mexico City to Fayetteville (MEX - XNA)
- Mexico City to Fayetteville (MEX - XNA)
- Jacksonville to Tulsa (JAX - TUL)
Popular Domestic Routes in San Francisco Intl.
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Atlanta to San Francisco (ATL - SFO)
- Denver to Huntsville (DEN - HSV)
- Tulsa to Phoenix (TUL - PHX)
- Tampa to London (TPA - LHR)
- Las Vegas to Louisville (LAS - SDF)
- Tampa to Washington (TPA - IAD)
- Tulsa to Phoenix (TUL - PHX)
- Austin to Philadelphia (AUS - PHL)
- Washington to Mexico City (IAD - MEX)