$71 Economy One-way to San Francisco (ONT-SFO) in Sep from Ontario

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$71 Economy One-way to San Francisco (ONT-SFO) in Sep from Ontario

Best Flights starting from $71

from$71economy

Ontario (ONT)

Thu, Sep 3

One-way

San Francisco (SFO)

—

from$73economy

Ontario (ONT)

Fri, Sep 4

One-way

San Francisco (SFO)

—

Fields updated — click View Prices to search ↑

Other Options for This Route

SFO destination

Economy Roundtrip to San Francisco (SFO)

Ontario (ONT) to San Francisco (SFO) in September from $63

SFO destination

Economy One-way to San Francisco (SFO)

Ontario (ONT) to San Francisco (SFO) in October from $146

SFO destination

Economy One-way to San Francisco (SFO)

Ontario (ONT) to San Francisco (SFO) in November from $33

SFO destination

Economy Roundtrip to San Francisco (SFO)

Ontario (ONT) to San Francisco (SFO) in November from $144

SFO destination

Economy Roundtrip to San Francisco (SFO)

Ontario (ONT) to San Francisco (SFO) in December from $235

SFO destination

Economy One-way to San Francisco (SFO)

Ontario (ONT) to San Francisco (SFO) in March from $96

Other Destinations

DEN destination

Economy Roundtrip to Denver (DEN)

Ontario (ONT) to Denver (DEN) in September from $66

LAS destination

Economy Roundtrip to Las Vegas (LAS)

Ontario (ONT) to Las Vegas (LAS) in September from $103

IAH destination

Economy Roundtrip to Houston (IAH)

Ontario (ONT) to Houston (IAH) in September from $137

MEM destination

Economy One-way to Memphis (MEM)

Ontario (ONT) to Memphis (MEM) in September from $149

HOUA destination

Economy Roundtrip to Houston (Any)

Ontario (ONT) to Houston (Any) in September from $157

DFW destination

Economy Roundtrip to Dallas (DFW)

Ontario (ONT) to Dallas (DFW) in September from $158

Flights from Other Cities

SFO destination

Economy One-way to San Francisco (SFO)

Phoenix (PHX) to San Francisco (SFO) in September from $38

SFO destination

Economy One-way to San Francisco (SFO)

Vancouver (YVR) to San Francisco (SFO) in September from $84

SFO destination

Economy One-way to San Francisco (SFO)

Burbank (BUR) to San Francisco (SFO) in September from $95

SFO destination

Economy One-way to San Francisco (SFO)

El Paso (ELP) to San Francisco (SFO) in September from $105

SFO destination

Economy One-way to San Francisco (SFO)

Charlotte (CLT) to San Francisco (SFO) in September from $114

SFO destination

Economy One-way to San Francisco (SFO)

Atlanta (Any) to San Francisco (SFO) in September from $121

Cheap economy Class Flights from Ontario (ONT) to San Francisco (SFO) September

Find the best deals on economy class flights. Compare prices for direct flights, one-stop, and multi-stop options.

Cheap economy Flights: ONT to SFO in September - Route 1

Starting from $71

Flight Options & Prices:

Direct Flights: From $76 - Fastest option with no layovers
One-Stop Flights: From $71 - Good value with one connection
Multi-Stop Flights: From $71 - Cheapest option with multiple connections

Book your economy class flight from Ontario (ONT) to San Francisco (SFO)and save money on your travel. Compare all flight options to find the best deal for your september trip.

Cheap economy Flights: ONT to SFO in September - Route 2

Starting from $73

Flight Options & Prices:

Direct Flights: From $73 - Fastest option with no layovers
One-Stop Flights: From $73 - Good value with one connection
Multi-Stop Flights: From $73 - Cheapest option with multiple connections

Book your economy class flight from Ontario (ONT) to San Francisco (SFO)and save money on your travel. Compare all flight options to find the best deal for your september trip.

Why Choose Economy Class Flights from Ontario (ONT) to San Francisco (SFO)?

Compare prices from multiple airlines
Find direct flights and multi-stop options
Best deals for september travel
Flexible booking options
24/7 customer support

Planning a trip from Ontario (ONT) to San Francisco (SFO) in september? SlickTrip helps you find the cheapest economy class flights with our comprehensive flight comparison tool. Whether you prefer direct flights for convenience or multi-stop flights for savings, we have options for every budget and schedule.