$138 Cheap American Airlines flights Chicago (ORD) to Ontario (ONT)

$138 Cheap American Airlines flights Chicago (ORD) to Ontario (ONT)

Prices were available within the past 7 days and start at $138 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 25 - Thu, Jan 8

ORD

Chicago

ONT

Ontario

$209 Roundtrip, found 2 hours ago

$209

Roundtrip

found 2 hours ago

Select American Airlines flight, departing Thu, Dec 25 from Chicago to Ontario, returning Thu, Jan 8, priced at $209 found 2 hours ago

Sat, Jan 17 - Wed, Jan 21

ORD

Chicago

ONT

Ontario

$370 Roundtrip, found 1 day ago

$370

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Jan 17 from Chicago to Ontario, returning Wed, Jan 21, priced at $370 found 1 day ago