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

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

Prices were available within the past 7 days and start at for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 14 - Sat, Jun 14

ONT

Ontario

ORD

Chicago

$317 Roundtrip, found 15 hours ago

$317

Roundtrip

found 15 hours ago

Select United flight, departing Sat, Jun 14 from Ontario to Chicago, returning Sat, Jun 14, priced at $317 found 15 hours ago

Sun, Jun 8 - Sun, Jun 8

ONT

Ontario

ORD

Chicago

$382 Roundtrip, found 15 hours ago

$382

Roundtrip

found 15 hours ago

Select United flight, departing Sun, Jun 8 from Ontario to Chicago, returning Sun, Jun 8, priced at $382 found 15 hours ago