$110 Cheap United flights San Francisco (SFO) to Ontario (ONT)

$110 Cheap United flights San Francisco (SFO) to Ontario (ONT)

Prices were available within the past 7 days and start at $110 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 3 - Sat, Feb 7

SFO

San Francisco

ONT

Ontario

$239 Roundtrip, found 22 hours ago

$239

Roundtrip

found 22 hours ago

Select United flight, departing Tue, Feb 3 from San Francisco to Ontario, returning Sat, Feb 7, priced at $239 found 22 hours ago

Tue, Feb 3 - Sat, Feb 7

SFO

San Francisco

ONT

Ontario

$242 Roundtrip, found 22 hours ago

$242

Roundtrip

found 22 hours ago

Select United flight, departing Tue, Feb 3 from San Francisco to Ontario, returning Sat, Feb 7, priced at $242 found 22 hours ago

Tue, Feb 3 - Sun, Feb 8

SFO

San Francisco

ONT

Ontario

$242 Roundtrip, found 22 hours ago

$242

Roundtrip

found 22 hours ago

Select United flight, departing Tue, Feb 3 from San Francisco to Ontario, returning Sun, Feb 8, priced at $242 found 22 hours ago

Tue, Feb 3 - Sun, Feb 8

SFO

San Francisco

ONT

Ontario

$261 Roundtrip, found 22 hours ago

$261

Roundtrip

found 22 hours ago

Select United flight, departing Tue, Feb 3 from San Francisco to Ontario, returning Sun, Feb 8, priced at $261 found 22 hours ago

Tue, Feb 3 - Sat, Feb 7

SFO

San Francisco

ONT

Ontario

$272 Roundtrip, found 22 hours ago

$272

Roundtrip

found 22 hours ago

Select United flight, departing Tue, Feb 3 from San Francisco to Ontario, returning Sat, Feb 7, priced at $272 found 22 hours ago

Tue, Feb 3 - Sun, Feb 8

SFO

San Francisco

ONT

Ontario

$272 Roundtrip, found 22 hours ago

$272

Roundtrip

found 22 hours ago

Select United flight, departing Tue, Feb 3 from San Francisco to Ontario, returning Sun, Feb 8, priced at $272 found 22 hours ago