Ontario (ONT) to Chicago (ORD) flight deal in economy from $144
ONTOntario International Airport
Ontario, United States
ORDO'Hare International Airport
Chicago, United States
$309 USD
-53%$144 USD
Verified about 6 hours agoDecember 2026
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Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price
Wednesday, December 23rd, 2026
10 round-trip options
Returning
Mon, Dec 28, 2026•5 Day Trip
$566 USD
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Tue, Dec 29, 2026•6 Day Trip
$547 USD
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Wed, Dec 30, 2026•7 Day Trip
$482 USD
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Thu, Dec 31, 2026•8 Day Trip
$469 USD
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Fri, Jan 1, 2027•9 Day Trip
$420 USD
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Sat, Jan 2, 2027•10 Day Trip
$484 USD
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Sun, Jan 3, 2027•11 Day Trip
$538 USD
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Mon, Jan 4, 2027•12 Day Trip
$354 USD
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Tue, Jan 5, 2027•13 Day Trip
$331 USD
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Wed, Jan 6, 2027•14 Day Trip
$341 USD