$56 Cheap United flights Ontario (ONT) to San Francisco (SFO)

$56 Cheap United flights Ontario (ONT) to San Francisco (SFO)

Prices were available within the past 7 days and start at $56 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 27 - Thu, Aug 28

ONT

Ontario

SFO

San Francisco

$117 Roundtrip, found 1 day ago

$117

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 27 from Ontario to San Francisco, returning Thu, Aug 28, priced at $117 found 1 day ago

Wed, Aug 27 - Thu, Aug 28

ONT

Ontario

SFO

San Francisco

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 27 from Ontario to San Francisco, returning Thu, Aug 28, priced at $137 found 1 day ago

Wed, Aug 27 - Thu, Aug 28

ONT

Ontario

SFO

San Francisco

$143 Roundtrip, found 1 day ago

$143

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 27 from Ontario to San Francisco, returning Thu, Aug 28, priced at $143 found 1 day ago

Mon, Oct 6 - Thu, Oct 9

ONT

Ontario

SFO

San Francisco

$155 Roundtrip, found 1 day ago

$155

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 6 from Ontario to San Francisco, returning Thu, Oct 9, priced at $155 found 1 day ago

Wed, Aug 27 - Fri, Sep 5

ONT

Ontario

SFO

San Francisco

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 27 from Ontario to San Francisco, returning Fri, Sep 5, priced at $157 found 1 day ago

Mon, Oct 6 - Thu, Oct 9

ONT

Ontario

SFO

San Francisco

$161 Roundtrip, found 1 day ago

$161

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 6 from Ontario to San Francisco, returning Thu, Oct 9, priced at $161 found 1 day ago