$169 Cheap United flights San Francisco (SFO) to Ontario (ONT)

$169 Cheap United flights San Francisco (SFO) to Ontario (ONT)

Prices were available within the past 7 days and start at $169 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 9 - Tue, Aug 12

SFO

San Francisco

ONT

Ontario

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select United flight, departing Sat, Aug 9 from San Francisco to Ontario, returning Tue, Aug 12, priced at $157 found 1 day ago

Sat, Aug 9 - Mon, Aug 11

SFO

San Francisco

ONT

Ontario

$207 Roundtrip, found 1 day ago

$207

Roundtrip

found 1 day ago

Select United flight, departing Sat, Aug 9 from San Francisco to Ontario, returning Mon, Aug 11, priced at $207 found 1 day ago

Mon, Aug 11 - Tue, Aug 12

SFO

San Francisco

ONT

Ontario

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 days ago

Select United flight, departing Mon, Aug 11 from San Francisco to Ontario, returning Tue, Aug 12, priced at $217 found 2 days ago

Mon, Aug 11 - Tue, Aug 12

SFO

San Francisco

ONT

Ontario

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 11 from San Francisco to Ontario, returning Tue, Aug 12, priced at $237 found 1 day ago

Fri, Aug 15 - Sat, Aug 16

SFO

San Francisco

ONT

Ontario

$318 Roundtrip, found 3 days ago

$318

Roundtrip

found 3 days ago

Select United flight, departing Fri, Aug 15 from San Francisco to Ontario, returning Sat, Aug 16, priced at $318 found 3 days ago

Fri, Aug 15 - Sat, Aug 16

SFO

San Francisco

ONT

Ontario

$349 Roundtrip, found 3 days ago

$349

Roundtrip

found 3 days ago

Select United flight, departing Fri, Aug 15 from San Francisco to Ontario, returning Sat, Aug 16, priced at $349 found 3 days ago