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Chicago (ORD) to Ontario (ONT) flight deal in economy from $120
UA
United Airlines
One Way
•
Economy
ORD
O'Hare International Airport
Chicago, United States
ONT
Ontario International Airport
Ontario, United States
$170 USD
-29%
$120
USD
Verified about 7 hours ago
September 2026
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$273
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$159
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$159
Fair Availability
22% of dates checked are available within 10% of the lowest price
Tuesday, September 1st, 2026
No flight details available for this date.
ORDONTORDONTORDONT