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Cheap flights from San Francisco to Ontario from US$19
United Airlines and Frontier Airlines fly nonstop from San Francisco to Ontario, about 26 flights a week. The flight takes around 1h 25m, and the cheapest one-way fare we found recently is US$19 on 8 Dec.
Direct flights available ~26 flights a week 1h 25m Cheapest in December Prices checked 14 days ago
San Francisco to Ontario at a glance
Cheapest one-wayUS$19Frontier Airlines · nonstop · Tue 8 DecCheapest returnUS$67Mon 16 Nov – Sun 22 NovFastest flight1h 25mFrontier Airlines · nonstop
Nonstop flights26/wkUnited Airlines, Frontier Airlines
Airlines flying nonstop from San Francisco to Ontario
2 airlines on this route, about 26 flights a week in total (observed over the last 4 weeks).
Cheapest dates from San Francisco to Ontario
The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.
Cheapest month to fly from San Francisco to Ontario
Lowest one-way fare found for each month: December is cheapest, November the most expensive.
Good to know
- Distance
- 585 km363 miles
- Flight time
- 1h 25mfastest found
- Time difference
- NoneOntario vs San Francisco
- Currency in Ontario
- USD
- Airports
- SFO → ONT
Flights from San Francisco to Ontario: questions answered
How much is a flight from San Francisco to Ontario?
The cheapest one-way fare we found recently is US$19, nonstop, departing in December. Return trips start from US$67. Prices change constantly, so search your dates for the live fare.
Are there direct flights from San Francisco to Ontario?
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 San Francisco to Ontario?
A nonstop flight covers 585 km and takes around 1h 25m.
Which airlines fly from San Francisco to Ontario?
United Airlines and Frontier Airlines operate nonstop flights on this route.
Which airports serve San Francisco and Ontario?
San Francisco: San Francisco International Airport (SFO). Ontario: Ontario International Airport (ONT).
