$216 Cheap Delta flights Chicago (ORD) to Ontario (ONT)

View $216 flight on Tue, Jan 20, 2026Opens in a new window

$216 Cheap Delta flights Chicago (ORD) to Ontario (ONT)

Prices were available within the past 7 days and start at $216 for one-way flights and $610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Dec 25 - Wed, Jan 7
ORD
Chicago
ONT
Ontario
$610 Roundtrip, found 22 hours ago
$610
Roundtrip
found 22 hours ago
Select Delta flight, departing Thu, Dec 25 from Chicago to Ontario, returning Wed, Jan 7, priced at $610 found 22 hours ago
Delta
Mon, Dec 22 - Wed, Jan 7
ORD
Chicago
ONT
Ontario
$837 Roundtrip, found 22 hours ago
$837
Roundtrip
found 22 hours ago
Select Delta flight, departing Mon, Dec 22 from Chicago to Ontario, returning Wed, Jan 7, priced at $837 found 22 hours ago

Find the cheapest month to fly from Chicago (ORD) to Ontario (ONT)

February is typically the cheapest month to fly

From $120 - $405 per traveler.
Flights from Chicago (ORD) to Ontario (ONT)
Origin airport
O'Hare Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines
Popular airline
Delta
Distance
2713 km
Average flight time
4 hours 30 mins