Cheap Delta flights Ontario (ONT) to Chicago (MDW)

Cheap Delta flights Ontario (ONT) to Chicago (MDW)

Prices were available within the past 7 days and start at for one-way flights and $572 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 25 - Thu, Jan 1

ONT

Ontario

MDW

Chicago

$572 Roundtrip, found 1 day ago

$572

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Dec 25 from Ontario to Chicago, returning Thu, Jan 1, priced at $572 found 1 day ago

Wed, Dec 24 - Thu, Jan 1

ONT

Ontario

MDW

Chicago

$697 Roundtrip, found 1 day ago

$697

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Dec 24 from Ontario to Chicago, returning Thu, Jan 1, priced at $697 found 1 day ago

Thu, Dec 25 - Wed, Dec 31

ONT

Ontario

MDW

Chicago

$704 Roundtrip, found 1 day ago

$704

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Dec 25 from Ontario to Chicago, returning Wed, Dec 31, priced at $704 found 1 day ago

Sun, Dec 28 - Thu, Jan 1

ONT

Ontario

MDW

Chicago

$761 Roundtrip, found 1 day ago

$761

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Dec 28 from Ontario to Chicago, returning Thu, Jan 1, priced at $761 found 1 day ago