Chicago (ORD) to Ontario (ONT) flight deal in economy from $72
ORDO'Hare International Airport
Chicago, United States
ONTOntario International Airport
Ontario, United States
$149 USD
-52%$72 USD
Verified about 4 hours agoAugust 2026
Mon
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Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price
Sunday, August 9th, 2026
No flight details available for this date.