$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
- Atlanta to Nice (ATL - NCE)
- Durango to Providence (DRO - PVD)
- Atlanta to Portland (ATL - PDX)
- Boston to Yerevan (BOS - EVN)
- Los Angeles to Boston (LAX - BOS)
- Washington to Barcelona (IAD - BCN)
- Appleton to Dallas (ATW - DFW)
- Colorado Springs to Appleton (COS - ATW)
- Allentown to Barcelona (ABE - BCN)
- Denver to Chicago (DEN - ORD)
Popular Domestic Routes in San Francisco Intl.
- Orlando to Minneapolis (MCO - MSP)
- Denver to Chicago (DEN - ORD)
- Tucson to Lexington (TUS - LEX)
- Manchester to Greenville (MHT - GSP)
- Durango to Providence (DRO - PVD)
- Atlanta to Nice (ATL - NCE)
- Colorado Springs to Appleton (COS - ATW)
- Los Angeles to Tokyo (LAX - NRT)
- Chicago to Tampa (ORD - TPA)
- Denver to Miami (DEN - MIA)