$114 Cheap United flights Ontario (ONT) to Chicago (ORD)

$114 Cheap United flights Ontario (ONT) to Chicago (ORD)

Prices were available within the past 7 days and start at $114 for one-way flights and $353 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 18 - Mon, Dec 22

ONT

Ontario

ORD

Chicago

$353 Roundtrip, found 22 hours ago

$353

Roundtrip

found 22 hours ago

Select United flight, departing Thu, Dec 18 from Ontario to Chicago, returning Mon, Dec 22, priced at $353 found 22 hours ago

Thu, Aug 14 - Sat, Aug 16

ONT

Ontario

ORD

Chicago

$763 Roundtrip, found 2 days ago

$763

Roundtrip

found 2 days ago

Select United flight, departing Thu, Aug 14 from Ontario to Chicago, returning Sat, Aug 16, priced at $763 found 2 days ago

Thu, Aug 14 - Fri, Aug 15

ONT

Ontario

ORD

Chicago

$803 Roundtrip, found 2 days ago

$803

Roundtrip

found 2 days ago

Select United flight, departing Thu, Aug 14 from Ontario to Chicago, returning Fri, Aug 15, priced at $803 found 2 days ago

Mon, Aug 11 - Sat, Aug 16

ONT

Ontario

ORD

Chicago

$879 Roundtrip, found 2 days ago

$879

Roundtrip

found 2 days ago

Select United flight, departing Mon, Aug 11 from Ontario to Chicago, returning Sat, Aug 16, priced at $879 found 2 days ago

Tue, Aug 12 - Sat, Aug 16

ONT

Ontario

ORD

Chicago

$909 Roundtrip, found 2 days ago

$909

Roundtrip

found 2 days ago

Select United flight, departing Tue, Aug 12 from Ontario to Chicago, returning Sat, Aug 16, priced at $909 found 2 days ago

Mon, Aug 11 - Thu, Aug 14

ONT

Ontario

ORD

Chicago

$919 Roundtrip, found 2 days ago

$919

Roundtrip

found 2 days ago

Select United flight, departing Mon, Aug 11 from Ontario to Chicago, returning Thu, Aug 14, priced at $919 found 2 days ago