$104 Cheap United flights San Francisco (SFO) to Ontario Intl. Airport (ONT)

$104 Cheap United flights San Francisco (SFO) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $104 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 30 - Wed, Jul 15

SFO

San Francisco

ONT

Ontario

$137 Roundtrip, just found

$137

Roundtrip

just found

Select United flight, departing Tue, Jun 30 from San Francisco to Ontario, returning Wed, Jul 15, priced at $137 just found

Tue, Jun 30 - Wed, Jul 15

SFO

San Francisco

ONT

Ontario

$137 Roundtrip, just found

$137

Roundtrip

just found

Select United flight, departing Tue, Jun 30 from San Francisco to Ontario, returning Wed, Jul 15, priced at $137 just found

Tue, Jun 30 - Wed, Jul 15

SFO

San Francisco

ONT

Ontario

$207 Roundtrip, just found

$207

Roundtrip

just found

Select United flight, departing Tue, Jun 30 from San Francisco to Ontario, returning Wed, Jul 15, priced at $207 just found

Tue, Jun 30 - Wed, Jul 15

SFO

San Francisco

ONT

Ontario

$240 Roundtrip, just found

$240

Roundtrip

just found

Select United flight, departing Tue, Jun 30 from San Francisco to Ontario, returning Wed, Jul 15, priced at $240 just found

Tue, Jun 30 - Wed, Jul 15

SFO

San Francisco

ONT

Ontario

$257 Roundtrip, just found

$257

Roundtrip

just found

Select United flight, departing Tue, Jun 30 from San Francisco to Ontario, returning Wed, Jul 15, priced at $257 just found