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Cheap flights from Ontario to San Francisco from US$25
United Airlines and Frontier Airlines fly nonstop from Ontario to San Francisco, about 26 flights a week. The flight takes around 1h 35m, and the cheapest one-way fare we found recently is US$25 on 5 Nov.
Direct flights available ~26 flights a week 1h 35m Cheapest in November Prices checked 13 days ago
Ontario to San Francisco at a glance
Cheapest one-wayUS$25Frontier Airlines · nonstop · Thu 5 NovCheapest returnUS$32Sat 5 Dec – Wed 9 DecFastest flight1h 35mFrontier Airlines · nonstop
Nonstop flights26/wkUnited Airlines, Frontier Airlines
Airlines flying nonstop from Ontario to San Francisco
2 airlines on this route, about 26 flights a week in total (observed over the last 4 weeks).
Cheapest dates from Ontario to San Francisco
The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.
Good to know
- Distance
- 585 km363 miles
- Flight time
- 1h 35mfastest found
- Time difference
- NoneSan Francisco vs Ontario
- Currency in San Francisco
- USD
- Airports
- ONT → SFO
Flights from Ontario to San Francisco: questions answered
How much is a flight from Ontario to San Francisco?
The cheapest one-way fare we found recently is US$25, nonstop, departing in November. Return trips start from US$32. Prices change constantly, so search your dates for the live fare.
Are there direct flights from Ontario to San Francisco?
Yes. United Airlines and Frontier Airlines fly this route nonstop, with about 26 flights a week in each direction.
How long is the flight from Ontario to San Francisco?
A nonstop flight covers 585 km and takes around 1h 35m.
Which airlines fly from Ontario to San Francisco?
United Airlines and Frontier Airlines operate nonstop flights on this route.
Which airports serve Ontario and San Francisco?
Ontario: Ontario International Airport (ONT). San Francisco: San Francisco International Airport (SFO).
