$144 Cheap United flights Chicago (ORD) to Ontario Intl. Airport (ONT)

$144 Cheap United flights Chicago (ORD) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $144 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 29 - Tue, Aug 18

ORD

Chicago

ONT

Ontario

$239 Roundtrip, found 2 hours ago

$239

Roundtrip

found 2 hours ago

Select United flight, departing Wed, Jul 29 from Chicago to Ontario, returning Tue, Aug 18, priced at $239 found 2 hours ago

Wed, Jul 29 - Tue, Aug 18

ORD

Chicago

ONT

Ontario

$244 Roundtrip, found 2 hours ago

$244

Roundtrip

found 2 hours ago

Select United flight, departing Wed, Jul 29 from Chicago to Ontario, returning Tue, Aug 18, priced at $244 found 2 hours ago

Wed, Jul 29 - Sat, Aug 8

ORD

Chicago

ONT

Ontario

$263 Roundtrip, found 1 day ago

$263

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 29 from Chicago to Ontario, returning Sat, Aug 8, priced at $263 found 1 day ago

Wed, Jul 29 - Sat, Aug 8

ORD

Chicago

ONT

Ontario

$268 Roundtrip, found 1 day ago

$268

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 29 from Chicago to Ontario, returning Sat, Aug 8, priced at $268 found 1 day ago

Wed, Jul 29 - Sat, Aug 15

ORD

Chicago

ONT

Ontario

$273 Roundtrip, found 1 day ago

$273

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 29 from Chicago to Ontario, returning Sat, Aug 15, priced at $273 found 1 day ago

Wed, Jul 29 - Tue, Aug 18

ORD

Chicago

ONT

Ontario

$277 Roundtrip, found 2 hours ago

$277

Roundtrip

found 2 hours ago

Select United flight, departing Wed, Jul 29 from Chicago to Ontario, returning Tue, Aug 18, priced at $277 found 2 hours ago