ONT to ORD from $72 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Ontario International Airport

Ontario, United States

O'Hare International Airport

Chicago, United States

$153 USD

-53%$72 USD

Verified about 3 hours ago

September 2026

Mon

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31$95 1$95 2$105 3$212 4$204 5$105 6$120 7$201 8$105 9$105 10$105 11$95 12$72 13$172 14$105 15$105 16$105 17$195 18$105 19$105 20$129 21$105 22$105 23$105 24$105 25$105 26$105 27$213 28$105 29$95 30$105 1$105 2$105 3$105 4$184

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Thursday, September 24th, 2026

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