$276 Cheap American Airlines flights Ontario (ONT) to Chicago (ORD)

$276 Cheap American Airlines flights Ontario (ONT) to Chicago (ORD)

Prices were available within the past 7 days and start at $276 for one-way flights and $450 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Apr 17 - Tue, May 5

ONT

Ontario

ORD

Chicago

$450 Roundtrip, found 2 days ago

$450

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Apr 17 from Ontario to Chicago, returning Tue, May 5, priced at $450 found 2 days ago

Sun, Jun 28 - Tue, Jul 7

ONT

Ontario

ORD

Chicago

$551 Roundtrip, found 20 hours ago

$551

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Sun, Jun 28 from Ontario to Chicago, returning Tue, Jul 7, priced at $551 found 20 hours ago

Sun, Jun 28 - Tue, Jul 7

ONT

Ontario

ORD

Chicago

$651 Roundtrip, found 20 hours ago

$651

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Sun, Jun 28 from Ontario to Chicago, returning Tue, Jul 7, priced at $651 found 20 hours ago